mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-23 11:17:09 +08:00
2305 lines
75 KiB
C++
2305 lines
75 KiB
C++
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdint.h> /* for uint32_t, etc */
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#include "SPSParser.h"
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/********************************************
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*define here
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********************************************/
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#define SPS_PPS_DEBUG
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//#undef SPS_PPS_DEBUG
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#define MAX_LEN 32
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#define EXTENDED_SAR 255
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#define FF_ARRAY_ELEMS(a) (sizeof(a) / sizeof((a)[0]))
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#define MAX_SPS_COUNT 32
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#define MAX_LOG2_MAX_FRAME_NUM (12 + 4)
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#define MIN_LOG2_MAX_FRAME_NUM 4
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#define H264_MAX_PICTURE_COUNT 36
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#define CODEC_FLAG2_IGNORE_CROP 0x00010000 ///< Discard cropping information from SPS.
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#ifndef INT_MAX
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#define INT_MAX 65535
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#endif //INT_MAX
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#ifndef FFMIN
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#define FFMIN(a,b) ((a) > (b) ? (b) : (a))
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#endif
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#ifndef FFMAX
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#define FFMAX(a,b) ((a) > (b) ? (a) : (b))
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#endif
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/* report level */
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#define RPT_ERR (1) // error, system error
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#define RPT_WRN (2) // warning, maybe wrong, maybe OK
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#define RPT_INF (3) // important information
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#define RPT_DBG (4) // debug information
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static int rpt_lvl = RPT_WRN; /* report level: ERR, WRN, INF, DBG */
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/* report micro */
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#define RPT(lvl, ...) \
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do { \
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if(lvl <= rpt_lvl) { \
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switch(lvl) { \
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case RPT_ERR: \
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fprintf(stderr, "\"%s\" line %d [err]: ", __FILE__, __LINE__); \
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break; \
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case RPT_WRN: \
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fprintf(stderr, "\"%s\" line %d [wrn]: ", __FILE__, __LINE__); \
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break; \
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case RPT_INF: \
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fprintf(stderr, "\"%s\" line %d [inf]: ", __FILE__, __LINE__); \
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break; \
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case RPT_DBG: \
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fprintf(stderr, "\"%s\" line %d [dbg]: ", __FILE__, __LINE__); \
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break; \
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default: \
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fprintf(stderr, "\"%s\" line %d [???]: ", __FILE__, __LINE__); \
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break; \
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} \
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fprintf(stderr, __VA_ARGS__); \
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fprintf(stderr, "\n"); \
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} \
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} while(0)
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static const uint8_t sg_aau8DefaultScaling4[2][16] = {
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{ 6, 13, 20, 28, 13, 20, 28, 32,
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20, 28, 32, 37, 28, 32, 37, 42 },
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{ 10, 14, 20, 24, 14, 20, 24, 27,
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20, 24, 27, 30, 24, 27, 30, 34 }
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};
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static const uint8_t sg_aau8DefaultScaling8[2][64] = {
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{ 6, 10, 13, 16, 18, 23, 25, 27,
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10, 11, 16, 18, 23, 25, 27, 29,
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13, 16, 18, 23, 25, 27, 29, 31,
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16, 18, 23, 25, 27, 29, 31, 33,
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18, 23, 25, 27, 29, 31, 33, 36,
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23, 25, 27, 29, 31, 33, 36, 38,
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25, 27, 29, 31, 33, 36, 38, 40,
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27, 29, 31, 33, 36, 38, 40, 42 },
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{ 9, 13, 15, 17, 19, 21, 22, 24,
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13, 13, 17, 19, 21, 22, 24, 25,
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15, 17, 19, 21, 22, 24, 25, 27,
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17, 19, 21, 22, 24, 25, 27, 28,
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19, 21, 22, 24, 25, 27, 28, 30,
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21, 22, 24, 25, 27, 28, 30, 32,
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22, 24, 25, 27, 28, 30, 32, 33,
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24, 25, 27, 28, 30, 32, 33, 35 }
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};
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static const T_AVRational sg_atFfH264PixelSspect[17] = {
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{ 0, 1 },
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{ 1, 1 },
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{ 12, 11 },
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{ 10, 11 },
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{ 16, 11 },
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{ 40, 33 },
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{ 24, 11 },
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{ 20, 11 },
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{ 32, 11 },
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{ 80, 33 },
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{ 18, 11 },
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{ 15, 11 },
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{ 64, 33 },
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{ 160, 99 },
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{ 4, 3 },
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{ 3, 2 },
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{ 2, 1 },
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};
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static const uint8_t sg_au8ZigzagScan[16+1] = {
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0 + 0 * 4, 1 + 0 * 4, 0 + 1 * 4, 0 + 2 * 4,
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1 + 1 * 4, 2 + 0 * 4, 3 + 0 * 4, 2 + 1 * 4,
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1 + 2 * 4, 0 + 3 * 4, 1 + 3 * 4, 2 + 2 * 4,
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3 + 1 * 4, 3 + 2 * 4, 2 + 3 * 4, 3 + 3 * 4,
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};
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const uint8_t g_au8FfZigzagDirect[64] = {
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0, 1, 8, 16, 9, 2, 3, 10,
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17, 24, 32, 25, 18, 11, 4, 5,
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12, 19, 26, 33, 40, 48, 41, 34,
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27, 20, 13, 6, 7, 14, 21, 28,
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35, 42, 49, 56, 57, 50, 43, 36,
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29, 22, 15, 23, 30, 37, 44, 51,
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58, 59, 52, 45, 38, 31, 39, 46,
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53, 60, 61, 54, 47, 55, 62, 63
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};
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static const uint8_t sg_au8HevcSubWidthC[] = {
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1, 2, 2, 1
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};
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static const uint8_t sg_au8HevcSubHeightC[] = {
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1, 2, 1, 1
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};
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static const uint8_t sg_au8DefaultScalingListIntra[] = {
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16, 16, 16, 16, 17, 18, 21, 24,
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16, 16, 16, 16, 17, 19, 22, 25,
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16, 16, 17, 18, 20, 22, 25, 29,
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16, 16, 18, 21, 24, 27, 31, 36,
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17, 17, 20, 24, 30, 35, 41, 47,
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18, 19, 22, 27, 35, 44, 54, 65,
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21, 22, 25, 31, 41, 54, 70, 88,
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24, 25, 29, 36, 47, 65, 88, 115
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};
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static const uint8_t sg_au8DefaultScalingListInter[] = {
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16, 16, 16, 16, 17, 18, 20, 24,
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16, 16, 16, 17, 18, 20, 24, 25,
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16, 16, 17, 18, 20, 24, 25, 28,
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16, 17, 18, 20, 24, 25, 28, 33,
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17, 18, 20, 24, 25, 28, 33, 41,
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18, 20, 24, 25, 28, 33, 41, 54,
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20, 24, 25, 28, 33, 41, 54, 71,
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24, 25, 28, 33, 41, 54, 71, 91
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};
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const uint8_t g_au8HevcDiagScan4x4X[16] = {
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0, 0, 1, 0,
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1, 2, 0, 1,
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2, 3, 1, 2,
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3, 2, 3, 3,
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};
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const uint8_t g_au8HevcDiagScan4x4Y[16] = {
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0, 1, 0, 2,
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1, 0, 3, 2,
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1, 0, 3, 2,
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1, 3, 2, 3,
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};
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const uint8_t g_au8HevcDiagScan8x8X[64] = {
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0, 0, 1, 0,
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1, 2, 0, 1,
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2, 3, 0, 1,
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2, 3, 4, 0,
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1, 2, 3, 4,
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5, 0, 1, 2,
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3, 4, 5, 6,
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0, 1, 2, 3,
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4, 5, 6, 7,
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1, 2, 3, 4,
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5, 6, 7, 2,
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3, 4, 5, 6,
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7, 3, 4, 5,
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6, 7, 4, 5,
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6, 7, 5, 6,
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7, 6, 7, 7,
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};
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const uint8_t g_au8HevcDiagScan8x8Y[64] = {
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0, 1, 0, 2,
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1, 0, 3, 2,
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1, 0, 4, 3,
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2, 1, 0, 5,
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4, 3, 2, 1,
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0, 6, 5, 4,
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3, 2, 1, 0,
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7, 6, 5, 4,
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3, 2, 1, 0,
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7, 6, 5, 4,
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3, 2, 1, 7,
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6, 5, 4, 3,
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2, 7, 6, 5,
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4, 3, 7, 6,
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5, 4, 7, 6,
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5, 7, 6, 7,
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};
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static const T_AVRational sg_atVuiSar[] = {
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{ 0, 1 },
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{ 1, 1 },
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{ 12, 11 },
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{ 10, 11 },
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{ 16, 11 },
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{ 40, 33 },
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{ 24, 11 },
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{ 20, 11 },
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{ 32, 11 },
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{ 80, 33 },
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{ 18, 11 },
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{ 15, 11 },
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{ 64, 33 },
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{ 160, 99 },
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{ 4, 3 },
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{ 3, 2 },
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{ 2, 1 },
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};
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static inline int getBitsLeft(void *pvHandle)
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{
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int iResLen = 0;
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T_GetBitContext *ptPtr = (T_GetBitContext *)pvHandle;
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if(ptPtr->iBufSize <= 0 || ptPtr->iTotalBit <= 0)
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{
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RPT(RPT_WRN, "buffer size is zero");
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return 0;
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}
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iResLen = ptPtr->iTotalBit - ptPtr->iBitPos;
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return iResLen;
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}
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/********************************************
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*functions
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********************************************/
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/**
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* @brief Function getOneBit() ¶Á1¸öbit
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* @param[in] h T_GetBitContext structrue
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* @retval 0: success, -1 : failure
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* @pre
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* @post
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*/
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static int getOneBit(void *pvHandle)
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{
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T_GetBitContext *ptPtr = (T_GetBitContext *)pvHandle;
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int iRet = 0;
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uint8_t *pu8CurChar = NULL;
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uint8_t u8Shift;
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int iResoLen = 0;
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if(NULL == ptPtr)
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{
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RPT(RPT_ERR, "NULL pointer");
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iRet = -1;
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goto exit;
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}
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iResoLen = getBitsLeft(ptPtr);
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if(iResoLen < 1)
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{
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iRet = -1;
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goto exit;
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}
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pu8CurChar = ptPtr->pu8Buf + (ptPtr->iBitPos >> 3);
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u8Shift = 7 - (ptPtr->iCurBitPos);
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ptPtr->iBitPos++;
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ptPtr->iCurBitPos = ptPtr->iBitPos & 0x7;
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iRet = ((*pu8CurChar) >> u8Shift) & 0x01;
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exit:
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return iRet;
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}
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/**
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* @brief Function getBits() ¶Án¸öbits£¬n²»Äܳ¬¹ý32
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* @param[in] h T_GetBitContext structrue
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* @param[in] n how many bits you want?
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* @retval 0: success, -1 : failure
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* @pre
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* @post
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*/
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static int getBits(void *pvHandle, int iN)
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{
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T_GetBitContext *ptPtr = (T_GetBitContext *)pvHandle;
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uint8_t au8Temp[5] = {0};
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uint8_t *pu8CurChar = NULL;
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uint8_t u8Nbyte;
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uint8_t u8Shift;
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uint32_t u32Result = 0;
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int iRet = 0;
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int iResoLen = 0;
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if(NULL == ptPtr)
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{
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RPT(RPT_ERR, "NULL pointer");
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iRet = -1;
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goto exit;
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}
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if(iN > MAX_LEN)
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{
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iN = MAX_LEN;
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}
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iResoLen = getBitsLeft(ptPtr);
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if(iResoLen < iN)
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{
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iRet = -1;
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goto exit;
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}
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if((ptPtr->iBitPos + iN) > ptPtr->iTotalBit)
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{
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iN = ptPtr->iTotalBit- ptPtr->iBitPos;
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}
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pu8CurChar = ptPtr->pu8Buf+ (ptPtr->iBitPos>>3);
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u8Nbyte = (ptPtr->iCurBitPos + iN + 7) >> 3;
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u8Shift = (8 - (ptPtr->iCurBitPos + iN))& 0x07;
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if(iN == MAX_LEN)
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{
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RPT(RPT_DBG, "12(ptPtr->iBitPos(:%d) + iN(:%d)) > ptPtr->iTotalBit(:%d)!!! ",\
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ptPtr->iBitPos, iN, ptPtr->iTotalBit);
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RPT(RPT_DBG, "0x%x 0x%x 0x%x 0x%x", (*pu8CurChar), *(pu8CurChar+1),*(pu8CurChar+2),*(pu8CurChar+3));
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}
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memcpy(&au8Temp[5-u8Nbyte], pu8CurChar, u8Nbyte);
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iRet = (uint32_t)au8Temp[0] << 24;
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iRet = iRet << 8;
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iRet = ((uint32_t)au8Temp[1]<<24)|((uint32_t)au8Temp[2] << 16)\
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|((uint32_t)au8Temp[3] << 8)|au8Temp[4];
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iRet = (iRet >> u8Shift) & (((uint64_t)1<<iN) - 1);
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u32Result = iRet;
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ptPtr->iBitPos += iN;
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ptPtr->iCurBitPos = ptPtr->iBitPos & 0x7;
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exit:
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return u32Result;
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}
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/**
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* Show 1-25 bits.
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*/
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static inline unsigned int showBits(void *pvHandle, int iN)
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{
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T_GetBitContext *ptPtr = (T_GetBitContext *)pvHandle;
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uint8_t au8Temp[5] = {0};
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uint8_t *pu8CurChar = NULL;
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uint8_t u8Nbyte;
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uint8_t u8Shift;
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uint32_t u32Result = 0;
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int iRet = 0;
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int iResoLen = 0;
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|
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if(NULL == ptPtr)
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{
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RPT(RPT_ERR, "NULL pointer");
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iRet = -1;
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goto exit;
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}
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if(iN > MAX_LEN)
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{
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iN = MAX_LEN;
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}
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iResoLen = getBitsLeft(ptPtr);
|
||
if(iResoLen < iN)
|
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{
|
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iRet = -1;
|
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goto exit;
|
||
}
|
||
|
||
|
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if((ptPtr->iBitPos + iN) > ptPtr->iTotalBit)
|
||
{
|
||
iN = ptPtr->iTotalBit- ptPtr->iBitPos;
|
||
}
|
||
|
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pu8CurChar = ptPtr->pu8Buf+ (ptPtr->iBitPos>>3);
|
||
u8Nbyte = (ptPtr->iCurBitPos + iN + 7) >> 3;
|
||
u8Shift = (8 - (ptPtr->iCurBitPos + iN))& 0x07;
|
||
|
||
if(iN == MAX_LEN)
|
||
{
|
||
RPT(RPT_DBG, "12(ptPtr->iBitPos(:%d) + iN(:%d)) > ptPtr->iTotalBit(:%d)!!! ",\
|
||
ptPtr->iBitPos, iN, ptPtr->iTotalBit);
|
||
RPT(RPT_DBG, "0x%x 0x%x 0x%x 0x%x", (*pu8CurChar), *(pu8CurChar+1),*(pu8CurChar+2),*(pu8CurChar+3));
|
||
}
|
||
|
||
memcpy(&au8Temp[5-u8Nbyte], pu8CurChar, u8Nbyte);
|
||
iRet = (uint32_t)au8Temp[0] << 24;
|
||
iRet = iRet << 8;
|
||
iRet = ((uint32_t)au8Temp[1]<<24)|((uint32_t)au8Temp[2] << 16)\
|
||
|((uint32_t)au8Temp[3] << 8)|au8Temp[4];
|
||
|
||
iRet = (iRet >> u8Shift) & (((uint64_t)1<<iN) - 1);
|
||
|
||
u32Result = iRet;
|
||
// ptPtr->iBitPos += iN;
|
||
// ptPtr->iCurBitPos = ptPtr->iBitPos & 0x7;
|
||
|
||
exit:
|
||
return u32Result;
|
||
}
|
||
|
||
|
||
|
||
/**
|
||
* Show 0-32 bits.
|
||
*/
|
||
static inline unsigned int showBitsLong(void *pvHandle, int iN)
|
||
{
|
||
T_GetBitContext *ptPtr = (T_GetBitContext *)pvHandle;
|
||
|
||
if (iN <= 32) {
|
||
return showBits(ptPtr, iN);
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
|
||
|
||
/**
|
||
* @brief Function parseCodenum() Ö¸Êý¸çÂײ¼±àÂë½âÎö£¬²Î¿¼h264±ê×¼µÚ9½Ú
|
||
* @param[in] buf
|
||
* @retval u32CodeNum
|
||
* @pre
|
||
* @post
|
||
*/
|
||
static int parseCodenum(void *pvBuf)
|
||
{
|
||
uint8_t u8LeadingZeroBits = -1;
|
||
uint8_t u8B;
|
||
uint32_t u32CodeNum = 0;
|
||
|
||
for(u8B=0; !u8B; u8LeadingZeroBits++)
|
||
{
|
||
u8B = getOneBit(pvBuf);
|
||
}
|
||
|
||
u32CodeNum = ((uint32_t)1 << u8LeadingZeroBits) - 1 + getBits(pvBuf, u8LeadingZeroBits);
|
||
|
||
return u32CodeNum;
|
||
}
|
||
|
||
/**
|
||
* @brief Function parseUe() Ö¸Êý¸çÂײ¼±àÂë½âÎö ue(),²Î¿¼h264±ê×¼µÚ9½Ú
|
||
* @param[in] buf sps_pps parse buf
|
||
* @retval u32CodeNum
|
||
* @pre
|
||
* @post
|
||
*/
|
||
static int parseUe(void *pvBuf)
|
||
{
|
||
return parseCodenum(pvBuf);
|
||
}
|
||
|
||
|
||
/**
|
||
* @brief Function parseSe() Ö¸Êý¸çÂײ¼±àÂë½âÎö se(), ²Î¿¼h264±ê×¼µÚ9½Ú
|
||
* @param[in] buf sps_pps parse buf
|
||
* @retval u32CodeNum
|
||
* @pre
|
||
* @post
|
||
*/
|
||
static int parseSe(void *pvBuf)
|
||
{
|
||
int iRet = 0;
|
||
int u32CodeNum;
|
||
|
||
u32CodeNum = parseCodenum(pvBuf);
|
||
iRet = (u32CodeNum + 1) >> 1;
|
||
iRet = (u32CodeNum & 0x01)? iRet : -iRet;
|
||
|
||
return iRet;
|
||
}
|
||
|
||
|
||
/**
|
||
* @brief Function getBitContextFree() ÉêÇëµÄget_bit_context½á¹¹ÄÚ´æÊÍ·Å
|
||
* @param[in] buf T_GetBitContext buf
|
||
* @retval none
|
||
* @pre
|
||
* @post
|
||
*/
|
||
static void getBitContextFree(void *pvBuf)
|
||
{
|
||
T_GetBitContext *ptPtr = (T_GetBitContext *)pvBuf;
|
||
|
||
if(ptPtr)
|
||
{
|
||
if(ptPtr->pu8Buf)
|
||
{
|
||
free(ptPtr->pu8Buf);
|
||
}
|
||
|
||
free(ptPtr);
|
||
}
|
||
}
|
||
|
||
|
||
|
||
|
||
/**
|
||
* @brief Function deEmulationPrevention() ½â¾ºÕù´úÂë
|
||
* @param[in] buf T_GetBitContext buf
|
||
* @retval none
|
||
* @pre
|
||
* @post
|
||
* @note:
|
||
* µ÷ÊÔʱ×ÜÊÇ·¢ÏÖvui.time_scaleÖµÌرðÆæ¹Ö£¬×ÜÊÇ16777216£¬ºóÀ´²éѯÔÒòÈçÏÂ:
|
||
* http://www.cnblogs.com/eustoma/archive/2012/02/13/2415764.html
|
||
* H.264±àÂëʱ£¬ÔÚÿ¸öNALÇ°Ìí¼ÓÆðʼÂë 0x000001£¬½âÂëÆ÷ÔÚÂëÁ÷Öмì²âµ½ÆðʼÂ룬µ±Ç°NAL½áÊø¡£
|
||
* ΪÁË·ÀÖ¹NALÄÚ²¿³öÏÖ0x000001µÄÊý¾Ý£¬h.264ÓÖÌá³ö'·ÀÖ¹¾ºÕù emulation prevention"»úÖÆ£¬
|
||
* ÔÚ±àÂëÍêÒ»¸öNALʱ£¬Èç¹û¼ì²â³öÓÐÁ¬ÐøÁ½¸ö0x00×Ö½Ú£¬¾ÍÔÚºóÃæ²åÈëÒ»¸ö0x03¡£
|
||
* µ±½âÂëÆ÷ÔÚNALÄÚ²¿¼ì²âµ½0x000003µÄÊý¾Ý£¬¾Í°Ñ0x03Å×Æú£¬»Ö¸´ÔʼÊý¾Ý¡£
|
||
* 0x000000 >>>>>> 0x00000300
|
||
* 0x000001 >>>>>> 0x00000301
|
||
* 0x000002 >>>>>> 0x00000302
|
||
* 0x000003 >>>>>> 0x00000303
|
||
*/
|
||
static void *deEmulationPrevention(void *pvBuf)
|
||
{
|
||
T_GetBitContext *ptPtr = NULL;
|
||
T_GetBitContext *ptBufPtr = (T_GetBitContext *)pvBuf;
|
||
int i = 0, j = 0;
|
||
uint8_t *pu8TmpPtr = NULL;
|
||
int tmp_buf_size = 0;
|
||
int iVal = 0;
|
||
|
||
if(NULL == ptBufPtr)
|
||
{
|
||
RPT(RPT_ERR, "NULL ptPtr");
|
||
goto exit;
|
||
}
|
||
|
||
ptPtr = (T_GetBitContext *)malloc(sizeof(T_GetBitContext));
|
||
if(NULL == ptPtr)
|
||
{
|
||
RPT(RPT_ERR, "NULL ptPtr");
|
||
goto exit;
|
||
}
|
||
|
||
memcpy(ptPtr, ptBufPtr, sizeof(T_GetBitContext));
|
||
|
||
ptPtr->pu8Buf = (uint8_t *)malloc(ptPtr->iBufSize);
|
||
if(NULL == ptPtr->pu8Buf)
|
||
{
|
||
RPT(RPT_ERR, "NULL ptPtr");
|
||
goto exit;
|
||
}
|
||
|
||
memcpy(ptPtr->pu8Buf, ptBufPtr->pu8Buf, ptBufPtr->iBufSize);
|
||
|
||
pu8TmpPtr = ptPtr->pu8Buf;
|
||
tmp_buf_size = ptPtr->iBufSize;
|
||
for(i=0; i<(tmp_buf_size-2); i++)
|
||
{
|
||
/*¼ì²â0x000003*/
|
||
iVal = (pu8TmpPtr[i]^0x00) + (pu8TmpPtr[i+1]^0x00) + (pu8TmpPtr[i+2]^0x03);
|
||
if(iVal == 0)
|
||
{
|
||
/*ÌÞ³ý0x03*/
|
||
for(j=i+2; j<tmp_buf_size-1; j++)
|
||
{
|
||
pu8TmpPtr[j] = pu8TmpPtr[j+1];
|
||
}
|
||
|
||
/*ÏàÓ¦µÄbufsizeÒª¼õС*/
|
||
ptPtr->iBufSize--;
|
||
}
|
||
}
|
||
|
||
/*ÖØмÆËãtotal_bit*/
|
||
ptPtr->iTotalBit = ptPtr->iBufSize << 3;
|
||
|
||
return (void *)ptPtr;
|
||
|
||
exit:
|
||
getBitContextFree(ptPtr);
|
||
return NULL;
|
||
}
|
||
|
||
static void decodeScalingList(void *pvBuf, uint8_t *pu8Factors, int iSize,
|
||
const uint8_t *pu8JvtList,
|
||
const uint8_t *pu8FallbackList)
|
||
{
|
||
int i;
|
||
int iLast = 8;
|
||
int iNext = 8;
|
||
const uint8_t *pu8Scan = iSize == 16 ? sg_au8ZigzagScan : g_au8FfZigzagDirect;
|
||
|
||
if (!getOneBit(pvBuf)) /* matrix not written, we use the predicted one */
|
||
memcpy(pu8Factors, pu8FallbackList, iSize * sizeof(uint8_t));
|
||
else
|
||
for (i = 0; i < iSize; i++)
|
||
{
|
||
if (iNext)
|
||
{
|
||
|
||
iNext = (iLast + parseSe(pvBuf)) & 0xff;
|
||
}
|
||
if (!i && !iNext)
|
||
{
|
||
/* matrix not written, we use the preset one */
|
||
memcpy(pu8Factors, pu8JvtList, iSize * sizeof(uint8_t));
|
||
break;
|
||
}
|
||
iLast = pu8Factors[pu8Scan[i]] = iNext ? iNext : iLast;
|
||
}
|
||
}
|
||
|
||
|
||
int decodeScalingMatrices(void *pvBuf, T_SPS *ptSps,
|
||
T_PPS *ptPps, int iIsSps,
|
||
uint8_t(*pau8ScalingMatrix4)[16],
|
||
uint8_t(*pau8ScalingMatrix8)[64])
|
||
{
|
||
int iFallbackSps = !iIsSps && ptSps->iScalingMatrixPresent;
|
||
const uint8_t *pau8Fallback[4] = {
|
||
iFallbackSps ? ptSps->aau8ScalingMatrix4[0] : sg_aau8DefaultScaling4[0],
|
||
iFallbackSps ? ptSps->aau8ScalingMatrix4[3] : sg_aau8DefaultScaling4[1],
|
||
iFallbackSps ? ptSps->aau8ScalingMatrix8[0] : sg_aau8DefaultScaling8[0],
|
||
iFallbackSps ? ptSps->aau8ScalingMatrix8[3] : sg_aau8DefaultScaling8[1]
|
||
};
|
||
if (getOneBit(pvBuf)) {
|
||
ptSps->iScalingMatrixPresent |= iIsSps;
|
||
decodeScalingList(pvBuf, pau8ScalingMatrix4[0], 16, sg_aau8DefaultScaling4[0], pau8Fallback[0]); // Intra, Y
|
||
decodeScalingList(pvBuf, pau8ScalingMatrix4[1], 16, sg_aau8DefaultScaling4[0], pau8ScalingMatrix4[0]); // Intra, Cr
|
||
decodeScalingList(pvBuf, pau8ScalingMatrix4[2], 16, sg_aau8DefaultScaling4[0], pau8ScalingMatrix4[1]); // Intra, Cb
|
||
|
||
decodeScalingList(pvBuf, pau8ScalingMatrix4[3], 16, sg_aau8DefaultScaling4[1], pau8Fallback[1]); // Inter, Y
|
||
|
||
decodeScalingList(pvBuf, pau8ScalingMatrix4[4], 16, sg_aau8DefaultScaling4[1], pau8ScalingMatrix4[3]); // Inter, Cr
|
||
|
||
decodeScalingList(pvBuf, pau8ScalingMatrix4[5], 16, sg_aau8DefaultScaling4[1], pau8ScalingMatrix4[4]); // Inter, Cb
|
||
|
||
|
||
if (iIsSps || ptPps->iTransform8x8Mode)
|
||
{
|
||
decodeScalingList(pvBuf, pau8ScalingMatrix8[0], 64, sg_aau8DefaultScaling8[0], pau8Fallback[2]); // Intra, Y
|
||
decodeScalingList(pvBuf, pau8ScalingMatrix8[3], 64, sg_aau8DefaultScaling8[1], pau8Fallback[3]); // Inter, Y
|
||
if (ptSps->iChromaFormatIdc == 3) {
|
||
decodeScalingList(pvBuf, pau8ScalingMatrix8[1], 64, sg_aau8DefaultScaling8[0], pau8ScalingMatrix8[0]); // Intra, Cr
|
||
decodeScalingList(pvBuf, pau8ScalingMatrix8[4], 64, sg_aau8DefaultScaling8[1], pau8ScalingMatrix8[3]); // Inter, Cr
|
||
decodeScalingList(pvBuf, pau8ScalingMatrix8[2], 64, sg_aau8DefaultScaling8[0], pau8ScalingMatrix8[1]); // Intra, Cb
|
||
decodeScalingList(pvBuf, pau8ScalingMatrix8[5], 64, sg_aau8DefaultScaling8[1], pau8ScalingMatrix8[4]); // Inter, Cb
|
||
}
|
||
}
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
static int decodeHrdPAarameters(void *pvBuf, T_SPS *ptSps)
|
||
{
|
||
int iCpbCount = 0;
|
||
int i;
|
||
iCpbCount = parseUe(pvBuf);
|
||
|
||
if (iCpbCount > 32U)
|
||
{
|
||
RPT(RPT_ERR,"iCpbCount %d invalid\n", iCpbCount);
|
||
return -1;
|
||
|
||
}
|
||
|
||
getBits(pvBuf, 4); /* bit_rate_scale */
|
||
getBits(pvBuf, 4); /* cpb_size_scale */
|
||
for (i = 0; i < iCpbCount; i++)
|
||
{
|
||
parseUe(pvBuf);
|
||
parseUe(pvBuf);
|
||
//get_ue_golomb_long(&h->gb); /* bit_rate_value_minus1 */
|
||
//get_ue_golomb_long(&h->gb); /* cpb_size_value_minus1 */
|
||
getOneBit(pvBuf); /* cbr_flag */
|
||
}
|
||
ptSps->iInitialCpbRemovalDelayLength = getBits(pvBuf, 5) + 1;
|
||
ptSps->iCpbRemovalDelayLength = getBits(pvBuf, 5) + 1;
|
||
ptSps->iDpbOutputDelayLength = getBits(pvBuf, 5) + 1;
|
||
ptSps->iTimeOffsetLength = getBits(pvBuf, 5);
|
||
ptSps->iCpbCnt = iCpbCount;
|
||
return 0;
|
||
}
|
||
|
||
|
||
static inline int decodeVuiParameters(void *pvBuf, T_SPS *ptSps)
|
||
{
|
||
int iAspectRatioInfoPresentFlag;
|
||
unsigned int uiAspectRatioIdc;
|
||
int iChromaSampleLocation;
|
||
|
||
iAspectRatioInfoPresentFlag = getOneBit(pvBuf);
|
||
|
||
if (iAspectRatioInfoPresentFlag) {
|
||
uiAspectRatioIdc = getBits(pvBuf, 8);
|
||
if (uiAspectRatioIdc == EXTENDED_SAR) {
|
||
ptSps->tSar.num = getBits(pvBuf, 16);
|
||
ptSps->tSar.den = getBits(pvBuf, 16);
|
||
} else if (uiAspectRatioIdc < FF_ARRAY_ELEMS(sg_atFfH264PixelSspect)) {
|
||
ptSps->tSar = sg_atFfH264PixelSspect[uiAspectRatioIdc];
|
||
} else
|
||
{
|
||
RPT(RPT_ERR,"illegal aspect ratio\n");
|
||
return -1;
|
||
}
|
||
} else
|
||
{
|
||
ptSps->tSar.num =
|
||
ptSps->tSar.den = 0;
|
||
}
|
||
|
||
if (getOneBit(pvBuf)) /* iOverscanInfoPresentFlag */
|
||
getOneBit(pvBuf); /* iOverscanAppropriateFlag */
|
||
|
||
ptSps->iVideoSignalTypePresentFlag = getOneBit(pvBuf);
|
||
if (ptSps->iVideoSignalTypePresentFlag) {
|
||
getBits(pvBuf, 3); /* video_format */
|
||
ptSps->iFullRange = getOneBit(pvBuf); /* iVideoFullRangeFlag */
|
||
|
||
ptSps->iColourDescriptionPresentFlag = getOneBit(pvBuf);
|
||
if (ptSps->iColourDescriptionPresentFlag) {
|
||
ptSps->tColorPrimaries = getBits(pvBuf, 8); /* u8ColourPrimaries */
|
||
ptSps->tColorTrc = getBits(pvBuf, 8); /* transfer_characteristics */
|
||
ptSps->tColorspace = getBits(pvBuf, 8); /* matrix_coefficients */
|
||
if (ptSps->tColorPrimaries >= AVCOL_PRI_NB)
|
||
ptSps->tColorPrimaries = AVCOL_PRI_UNSPECIFIED;
|
||
if (ptSps->tColorTrc >= AVCOL_TRC_NB)
|
||
ptSps->tColorTrc = AVCOL_TRC_UNSPECIFIED;
|
||
if (ptSps->tColorspace >= AVCOL_SPC_NB)
|
||
ptSps->tColorspace = AVCOL_SPC_UNSPECIFIED;
|
||
}
|
||
}
|
||
|
||
/* chroma_location_info_present_flag */
|
||
if (getOneBit(pvBuf))
|
||
{
|
||
/* chroma_sample_location_type_top_field */
|
||
iChromaSampleLocation = parseUe(pvBuf);
|
||
parseUe(pvBuf); /* chroma_sample_location_type_bottom_field */
|
||
}
|
||
if(getBitsLeft(pvBuf) < 10)
|
||
{
|
||
return 0;
|
||
}
|
||
|
||
|
||
ptSps->iTimingInfoPresentFlag = getOneBit(pvBuf);
|
||
if (ptSps->iTimingInfoPresentFlag) {
|
||
unsigned u32NumUnitsInTick = getBits(pvBuf, 32);
|
||
unsigned u32TimeScale = getBits(pvBuf, 32);
|
||
if (!u32NumUnitsInTick || !u32TimeScale) {
|
||
|
||
RPT(RPT_ERR,"u32TimeScale/u32NumUnitsInTick invalid or unsupported (%u/%u)\n",u32TimeScale, u32NumUnitsInTick);
|
||
ptSps->iTimingInfoPresentFlag = 0;
|
||
} else {
|
||
ptSps->u32NumUnitsInTick = u32NumUnitsInTick;
|
||
ptSps->u32TimeScale = u32TimeScale;
|
||
}
|
||
ptSps->iFixedFrameRateFlag = getOneBit(pvBuf);
|
||
}
|
||
|
||
ptSps->iNalHrdParametersPresentFlag = getOneBit(pvBuf);
|
||
if (ptSps->iNalHrdParametersPresentFlag)
|
||
if (decodeHrdPAarameters(pvBuf, ptSps) < 0)
|
||
return -1;
|
||
ptSps->iVclHrdParametersPresentFlag = getOneBit(pvBuf);
|
||
if (ptSps->iVclHrdParametersPresentFlag)
|
||
if (decodeHrdPAarameters(pvBuf, ptSps) < 0)
|
||
return -1;
|
||
if (ptSps->iNalHrdParametersPresentFlag ||
|
||
ptSps->iVclHrdParametersPresentFlag)
|
||
getOneBit(pvBuf); /* low_delay_hrd_flag */
|
||
ptSps->iPicStructPresentFlag = getOneBit(pvBuf);
|
||
|
||
if(getBitsLeft(pvBuf) == 0)
|
||
return 0;
|
||
ptSps->iBitstreamRestrictionFlag = getOneBit(pvBuf);
|
||
if (ptSps->iBitstreamRestrictionFlag) {
|
||
getOneBit(pvBuf); /* motion_vectors_over_pic_boundaries_flag */
|
||
parseUe(pvBuf);
|
||
//get_ue_golomb(&h->gb); /* max_bytes_per_pic_denom */
|
||
parseUe(pvBuf);
|
||
//get_ue_golomb(&h->gb); /* max_bits_per_mb_denom */
|
||
parseUe(pvBuf);
|
||
//get_ue_golomb(&h->gb); /* log2_max_mv_length_horizontal */
|
||
parseUe(pvBuf);
|
||
//get_ue_golomb(&h->gb); /* log2_max_mv_length_vertical */
|
||
ptSps->iNumReorderFrames = parseUe(pvBuf);
|
||
|
||
parseUe(pvBuf);
|
||
//get_ue_golomb(&h->gb); /*max_dec_frame_buffering*/
|
||
|
||
if (getBitsLeft(pvBuf) < 0)
|
||
{
|
||
ptSps->iNumReorderFrames = 0;
|
||
ptSps->iBitstreamRestrictionFlag = 0;
|
||
}
|
||
|
||
if (ptSps->iNumReorderFrames > 16U
|
||
/* max_dec_frame_buffering || max_dec_frame_buffering > 16 */)
|
||
{
|
||
RPT(RPT_DBG, "Clipping illegal iNumReorderFrames %d\n",
|
||
ptSps->iNumReorderFrames);
|
||
ptSps->iNumReorderFrames = 16;
|
||
return -1;
|
||
}
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
|
||
int h264DecSeqParameterSet(void *pvBufSrc, T_SPS *ptSps)
|
||
{
|
||
int iLevelIdc;
|
||
int iConstraintSetFlags = 0;
|
||
unsigned int uiSpsId;
|
||
int i;
|
||
int iLog2MaxFrameNumMinus4;
|
||
|
||
int iRet = 0;
|
||
int iProfileIdc = 0;
|
||
void *pvBuf = NULL;
|
||
|
||
|
||
|
||
if(NULL == pvBufSrc || NULL == ptSps)
|
||
{
|
||
RPT(RPT_ERR,"ERR null pointer\n");
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
|
||
memset((void *)ptSps, 0, sizeof(T_SPS));
|
||
|
||
pvBuf = deEmulationPrevention(pvBufSrc);
|
||
if(NULL == pvBuf)
|
||
{
|
||
RPT(RPT_ERR,"ERR null pointer\n");
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
|
||
iProfileIdc = getBits(pvBuf, 8);
|
||
iConstraintSetFlags |= getOneBit(pvBuf) << 0; // constraint_set0_flag
|
||
iConstraintSetFlags |= getOneBit(pvBuf) << 1; // constraint_set1_flag
|
||
iConstraintSetFlags |= getOneBit(pvBuf) << 2; // constraint_set2_flag
|
||
iConstraintSetFlags |= getOneBit(pvBuf) << 3; // constraint_set3_flag
|
||
iConstraintSetFlags |= getOneBit(pvBuf) << 4; // constraint_set4_flag
|
||
iConstraintSetFlags |= getOneBit(pvBuf) << 5; // constraint_set5_flag
|
||
getBits(pvBuf, 2); // reserved_zero_2bits
|
||
iLevelIdc = getBits(pvBuf, 8);
|
||
uiSpsId = parseUe(pvBuf);
|
||
|
||
if (uiSpsId >= MAX_SPS_COUNT) {
|
||
RPT(RPT_ERR, "uiSpsId %u out of range\n", uiSpsId);
|
||
iRet = -1;
|
||
goto exit;
|
||
|
||
}
|
||
|
||
|
||
ptSps->uiSpsId = uiSpsId;
|
||
ptSps->iTimeOffsetLength = 24;
|
||
ptSps->iProfileIdc = iProfileIdc;
|
||
ptSps->iConstraintSetFlags = iConstraintSetFlags;
|
||
ptSps->iLevelIdc = iLevelIdc;
|
||
ptSps->iFullRange = -1;
|
||
|
||
memset(ptSps->aau8ScalingMatrix4, 16, sizeof(ptSps->aau8ScalingMatrix4));
|
||
memset(ptSps->aau8ScalingMatrix8, 16, sizeof(ptSps->aau8ScalingMatrix8));
|
||
ptSps->iScalingMatrixPresent = 0;
|
||
ptSps->tColorspace = 2; //AVCOL_SPC_UNSPECIFIED
|
||
|
||
if (ptSps->iProfileIdc == 100 || // High profile
|
||
ptSps->iProfileIdc == 110 || // High10 profile
|
||
ptSps->iProfileIdc == 122 || // High422 profile
|
||
ptSps->iProfileIdc == 244 || // High444 Predictive profile
|
||
ptSps->iProfileIdc == 44 || // Cavlc444 profile
|
||
ptSps->iProfileIdc == 83 || // Scalable Constrained High profile (SVC)
|
||
ptSps->iProfileIdc == 86 || // Scalable High Intra profile (SVC)
|
||
ptSps->iProfileIdc == 118 || // Stereo High profile (MVC)
|
||
ptSps->iProfileIdc == 128 || // Multiview High profile (MVC)
|
||
ptSps->iProfileIdc == 138 || // Multiview Depth High profile (MVCD)
|
||
ptSps->iProfileIdc == 144) { // old High444 profile
|
||
ptSps->iChromaFormatIdc = parseUe(pvBuf);
|
||
if (ptSps->iChromaFormatIdc > 3U)
|
||
{
|
||
RPT(RPT_ERR, "iChromaFormatIdc %u",ptSps->iChromaFormatIdc);
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
else if (ptSps->iChromaFormatIdc == 3)
|
||
{
|
||
ptSps->iResidualColorTransformFlag = getOneBit(pvBuf);
|
||
if (ptSps->iResidualColorTransformFlag)
|
||
{
|
||
RPT(RPT_ERR, "separate color planes are not supported\n");
|
||
iRet = -1;
|
||
goto exit;
|
||
|
||
}
|
||
}
|
||
ptSps->iBitDepthLuma = parseUe(pvBuf) + 8;
|
||
ptSps->iBitDepthChroma = parseUe(pvBuf) + 8;
|
||
if (ptSps->iBitDepthChroma != ptSps->iBitDepthLuma)
|
||
{
|
||
RPT(RPT_ERR, "Different chroma and luma bit depth");
|
||
iRet = -1;
|
||
goto exit;
|
||
|
||
}
|
||
if (ptSps->iBitDepthLuma < 8 || ptSps->iBitDepthLuma > 14 ||
|
||
ptSps->iBitDepthChroma < 8 || ptSps->iBitDepthChroma > 14)
|
||
{
|
||
RPT(RPT_ERR, "illegal bit depth value (%d, %d)\n",ptSps->iBitDepthLuma, ptSps->iBitDepthChroma);
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
ptSps->iTransformBypass = getOneBit(pvBuf);
|
||
decodeScalingMatrices(pvBuf, ptSps, NULL, 1,
|
||
ptSps->aau8ScalingMatrix4, ptSps->aau8ScalingMatrix8);
|
||
}
|
||
else
|
||
{
|
||
|
||
ptSps->iChromaFormatIdc = 1;
|
||
ptSps->iBitDepthLuma = 8;
|
||
ptSps->iBitDepthChroma = 8;
|
||
}
|
||
|
||
iLog2MaxFrameNumMinus4 = parseUe(pvBuf);
|
||
|
||
if (iLog2MaxFrameNumMinus4 < MIN_LOG2_MAX_FRAME_NUM - 4 ||
|
||
iLog2MaxFrameNumMinus4 > MAX_LOG2_MAX_FRAME_NUM - 4)
|
||
{
|
||
RPT(RPT_ERR, "iLog2MaxFrameNumMinus4 out of range (0-12): %d\n", iLog2MaxFrameNumMinus4);
|
||
iRet = -1;
|
||
goto exit;
|
||
|
||
}
|
||
ptSps->iLog2MaxFrameNum = iLog2MaxFrameNumMinus4 + 4;
|
||
|
||
ptSps->iPocType = parseUe(pvBuf);
|
||
|
||
if (ptSps->iPocType == 0)
|
||
{
|
||
// FIXME #define
|
||
unsigned t = parseUe(pvBuf);
|
||
if (t>12)
|
||
{
|
||
RPT(RPT_ERR, "iLog2MaxPocLsb (%d) is out of range\n", t);
|
||
iRet = -1;
|
||
goto exit;
|
||
|
||
}
|
||
ptSps->iLog2MaxPocLsb = t + 4;
|
||
}
|
||
else if (ptSps->iPocType == 1)
|
||
{
|
||
// FIXME #define
|
||
ptSps->iDeltaPicOrderAlwaysZeroFlag = getOneBit(pvBuf);
|
||
ptSps->iOffsetForNonRefPic = parseSe(pvBuf);
|
||
ptSps->iOffsetForTopToBottomField = parseSe(pvBuf);
|
||
ptSps->iPocCycleLength = parseUe(pvBuf);
|
||
|
||
if ((unsigned)ptSps->iPocCycleLength >= FF_ARRAY_ELEMS(ptSps->asOffsetForRefFrame))
|
||
{
|
||
RPT(RPT_ERR, "iPocCycleLength overflow %d\n", ptSps->iPocCycleLength);
|
||
iRet = -1;
|
||
goto exit;
|
||
|
||
}
|
||
|
||
for (i = 0; i < ptSps->iPocCycleLength; i++)
|
||
ptSps->asOffsetForRefFrame[i] = parseSe(pvBuf);
|
||
}
|
||
else if (ptSps->iPocType != 2)
|
||
{
|
||
RPT(RPT_ERR, "illegal POC type %d\n", ptSps->iPocType);
|
||
iRet = -1;
|
||
goto exit;
|
||
|
||
}
|
||
|
||
ptSps->iRefFrameCount = parseUe(pvBuf);
|
||
if (ptSps->iRefFrameCount > H264_MAX_PICTURE_COUNT - 2 ||
|
||
ptSps->iRefFrameCount > 16U)
|
||
{
|
||
RPT(RPT_ERR, "too many reference frames %d\n", ptSps->iRefFrameCount);
|
||
iRet = -1;
|
||
goto exit;
|
||
|
||
}
|
||
ptSps->iGapsInFrameNumAllowedFlag = getOneBit(pvBuf);
|
||
ptSps->iMbWidth = parseUe(pvBuf) + 1;
|
||
ptSps->iMbHeight = parseUe(pvBuf) + 1;
|
||
|
||
|
||
ptSps->iFrameMbsOnlyFlag = getOneBit(pvBuf);
|
||
if (!ptSps->iFrameMbsOnlyFlag)
|
||
ptSps->iMbAff = getOneBit(pvBuf);
|
||
else
|
||
ptSps->iMbAff = 0;
|
||
|
||
ptSps->iDirect8x8InferenceFlag = getOneBit(pvBuf);
|
||
|
||
ptSps->iCrop = getOneBit(pvBuf);
|
||
if (ptSps->iCrop) {
|
||
unsigned int uiCropLeft = parseUe(pvBuf);
|
||
unsigned int uiCropRight = parseUe(pvBuf);
|
||
unsigned int uiCropTop = parseUe(pvBuf);
|
||
unsigned int uiCropBottom = parseUe(pvBuf);
|
||
int iWidth = 16 * ptSps->iMbWidth;
|
||
int iHeight = 16 * ptSps->iMbHeight * (2 - ptSps->iFrameMbsOnlyFlag);
|
||
|
||
if(1)
|
||
{
|
||
int vsub = (ptSps->iChromaFormatIdc == 1) ? 1 : 0;
|
||
int hsub = (ptSps->iChromaFormatIdc == 1 ||
|
||
ptSps->iChromaFormatIdc == 2) ? 1 : 0;
|
||
int step_x = 1 << hsub;
|
||
int step_y = (2 - ptSps->iFrameMbsOnlyFlag) << vsub;
|
||
|
||
if (uiCropLeft & (0x1F >> (ptSps->iBitDepthLuma > 8)))
|
||
{
|
||
uiCropLeft &= ~(0x1F >> (ptSps->iBitDepthLuma > 8));
|
||
}
|
||
|
||
if (uiCropLeft > (unsigned)INT_MAX / 4 / step_x ||
|
||
uiCropRight > (unsigned)INT_MAX / 4 / step_x ||
|
||
uiCropTop > (unsigned)INT_MAX / 4 / step_y ||
|
||
uiCropBottom> (unsigned)INT_MAX / 4 / step_y ||
|
||
(uiCropLeft + uiCropRight ) * step_x >= iWidth ||
|
||
(uiCropTop + uiCropBottom) * step_y >= iHeight
|
||
)
|
||
{
|
||
RPT(RPT_ERR, "crop values invalid %d %d %d %d / %d %d\n", uiCropLeft, uiCropRight, uiCropTop, uiCropBottom, iWidth, iHeight);
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
|
||
ptSps->uiCropLeft = uiCropLeft * step_x;
|
||
ptSps->uiCropRight = uiCropRight * step_x;
|
||
ptSps->uiCropTop = uiCropTop * step_y;
|
||
ptSps->uiCropBottom = uiCropBottom * step_y;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
ptSps->uiCropLeft =
|
||
ptSps->uiCropRight =
|
||
ptSps->uiCropTop =
|
||
ptSps->uiCropBottom =
|
||
ptSps->iCrop = 0;
|
||
}
|
||
|
||
ptSps->iVuiParametersPresentFlag = getOneBit(pvBuf);
|
||
if (ptSps->iVuiParametersPresentFlag) {
|
||
int ret = decodeVuiParameters(pvBuf, ptSps);
|
||
if (ret < 0)
|
||
goto exit;
|
||
}
|
||
|
||
if (getBitsLeft(pvBuf) < 0)
|
||
{
|
||
RPT(RPT_ERR, "Overread %s by %d bits\n", ptSps->iVuiParametersPresentFlag ? "VUI" : "SPS", -getBitsLeft(pvBuf));
|
||
iRet = -1;
|
||
}
|
||
|
||
if (!ptSps->tSar.den)
|
||
ptSps->tSar.den = 1;
|
||
|
||
ptSps->iNew = 1;
|
||
|
||
exit:
|
||
#ifdef SPS_PPS_DEBUG
|
||
|
||
if (1)
|
||
{
|
||
static const char csp[4][5] = { "Gray", "420", "422", "444" };
|
||
RPT(RPT_DBG,
|
||
"ptSps:%u profile:%d/%d poc:%d ref:%d %dx%d %s %s crop:%u/%u/%u/%u %s %s %d/%d b%d reo:%d\n",
|
||
uiSpsId, ptSps->iProfileIdc, ptSps->iLevelIdc,
|
||
ptSps->iPocType,
|
||
ptSps->iRefFrameCount,
|
||
ptSps->iMbWidth, ptSps->iMbHeight,
|
||
ptSps->iFrameMbsOnlyFlag ? "FRM" : (ptSps->iMbAff ? "MB-AFF" : "PIC-AFF"),
|
||
ptSps->iDirect8x8InferenceFlag ? "8B8" : "",
|
||
ptSps->uiCropLeft, ptSps->uiCropRight,
|
||
ptSps->uiCropTop, ptSps->uiCropBottom,
|
||
ptSps->iVuiParametersPresentFlag ? "VUI" : "",
|
||
csp[ptSps->iChromaFormatIdc],
|
||
ptSps->iTimingInfoPresentFlag ? ptSps->u32NumUnitsInTick : 0,
|
||
ptSps->iTimingInfoPresentFlag ? ptSps->u32TimeScale : 0,
|
||
ptSps->iBitDepthLuma,
|
||
ptSps->iBitstreamRestrictionFlag ? ptSps->iNumReorderFrames : -1
|
||
);
|
||
}
|
||
|
||
#endif
|
||
getBitContextFree(pvBuf);
|
||
|
||
return iRet;
|
||
}
|
||
|
||
|
||
static int decodeProfileTierLevel(T_GetBitContext *pvBuf, T_PTLCommon *tPtl)
|
||
{
|
||
int i;
|
||
|
||
if (getBitsLeft(pvBuf) < 2+1+5 + 32 + 4 + 16 + 16 + 12)
|
||
return -1;
|
||
|
||
tPtl->u8ProfileSpace = getBits(pvBuf, 2);
|
||
tPtl->u8TierFlag = getOneBit(pvBuf);
|
||
tPtl->u8ProfileIdc = getBits(pvBuf, 5);
|
||
if (tPtl->u8ProfileIdc == T_PROFILE_HEVC_MAIN)
|
||
RPT(RPT_DBG, "Main profile bitstream\n");
|
||
else if (tPtl->u8ProfileIdc == T_PROFILE_HEVC_MAIN_10)
|
||
RPT(RPT_DBG, "Main 10 profile bitstream\n");
|
||
else if (tPtl->u8ProfileIdc == T_PROFILE_HEVC_MAIN_STILL_PICTURE)
|
||
RPT(RPT_DBG, "Main Still Picture profile bitstream\n");
|
||
else if (tPtl->u8ProfileIdc == T_PROFILE_HEVC_REXT)
|
||
RPT(RPT_DBG, "Range Extension profile bitstream\n");
|
||
else
|
||
RPT(RPT_WRN, "Unknown HEVC profile: %d\n", tPtl->u8ProfileIdc);
|
||
|
||
for (i = 0; i < 32; i++) {
|
||
tPtl->au8ProfileCompatibilityFlag[i] = getOneBit(pvBuf);
|
||
|
||
if (tPtl->u8ProfileIdc == 0 && i > 0 && tPtl->au8ProfileCompatibilityFlag[i])
|
||
tPtl->u8ProfileIdc = i;
|
||
}
|
||
tPtl->u8ProgressiveSourceFlag = getOneBit(pvBuf);
|
||
tPtl->u8InterlacedSourceFlag = getOneBit(pvBuf);
|
||
tPtl->u8NonPackedConstraintFlag = getOneBit(pvBuf);
|
||
tPtl->u8FrameOnlyConstraintFlag = getOneBit(pvBuf);
|
||
|
||
getBits(pvBuf, 16); // XXX_reserved_zero_44bits[0..15]
|
||
getBits(pvBuf, 16); // XXX_reserved_zero_44bits[16..31]
|
||
getBits(pvBuf, 12); // XXX_reserved_zero_44bits[32..43]
|
||
|
||
return 0;
|
||
}
|
||
|
||
|
||
static int parsePtl(T_GetBitContext *pvBuf, T_PTL *tPtl, int max_num_sub_layers)
|
||
{
|
||
int i;
|
||
if (decodeProfileTierLevel(pvBuf, &tPtl->tGeneralPtl) < 0 ||
|
||
getBitsLeft(pvBuf) < 8 + (8*2 * (max_num_sub_layers - 1 > 0))) {
|
||
RPT(RPT_ERR, "PTL information too short\n");
|
||
return -1;
|
||
}
|
||
|
||
tPtl->tGeneralPtl.u8LevelIdc = getBits(pvBuf, 8);
|
||
|
||
for (i = 0; i < max_num_sub_layers - 1; i++) {
|
||
tPtl->au8SubLayerProfilePresentFlag[i] = getOneBit(pvBuf);
|
||
tPtl->au8SubLayerLevelPresentFlag[i] = getOneBit(pvBuf);
|
||
}
|
||
|
||
if (max_num_sub_layers - 1> 0)
|
||
for (i = max_num_sub_layers - 1; i < 8; i++)
|
||
getBits(pvBuf, 2); // reserved_zero_2bits[i]
|
||
for (i = 0; i < max_num_sub_layers - 1; i++) {
|
||
if (tPtl->au8SubLayerProfilePresentFlag[i] &&
|
||
decodeProfileTierLevel(pvBuf, &tPtl->atSubLayerPtl[i]) < 0) {
|
||
RPT(RPT_ERR,
|
||
"PTL information for sublayer %i too short\n", i);
|
||
return -1;
|
||
}
|
||
if (tPtl->au8SubLayerLevelPresentFlag[i]) {
|
||
if (getBitsLeft(pvBuf) < 8) {
|
||
RPT(RPT_ERR,
|
||
"Not enough data for sublayer %i level_idc\n", i);
|
||
return -1;
|
||
} else
|
||
tPtl->atSubLayerPtl[i].u8LevelIdc = getBits(pvBuf, 8);
|
||
}
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
|
||
static void setDefaultScalingListData(T_ScalingList *sl)
|
||
{
|
||
int matrixId;
|
||
|
||
for (matrixId = 0; matrixId < 6; matrixId++) {
|
||
// 4x4 default is 16
|
||
memset(sl->aaau8Sl[0][matrixId], 16, 16);
|
||
sl->aau8SlDc[0][matrixId] = 16; // default for 16x16
|
||
sl->aau8SlDc[1][matrixId] = 16; // default for 32x32
|
||
}
|
||
memcpy(sl->aaau8Sl[1][0], sg_au8DefaultScalingListIntra, 64);
|
||
memcpy(sl->aaau8Sl[1][1], sg_au8DefaultScalingListIntra, 64);
|
||
memcpy(sl->aaau8Sl[1][2], sg_au8DefaultScalingListIntra, 64);
|
||
memcpy(sl->aaau8Sl[1][3], sg_au8DefaultScalingListInter, 64);
|
||
memcpy(sl->aaau8Sl[1][4], sg_au8DefaultScalingListInter, 64);
|
||
memcpy(sl->aaau8Sl[1][5], sg_au8DefaultScalingListInter, 64);
|
||
memcpy(sl->aaau8Sl[2][0], sg_au8DefaultScalingListIntra, 64);
|
||
memcpy(sl->aaau8Sl[2][1], sg_au8DefaultScalingListIntra, 64);
|
||
memcpy(sl->aaau8Sl[2][2], sg_au8DefaultScalingListIntra, 64);
|
||
memcpy(sl->aaau8Sl[2][3], sg_au8DefaultScalingListInter, 64);
|
||
memcpy(sl->aaau8Sl[2][4], sg_au8DefaultScalingListInter, 64);
|
||
memcpy(sl->aaau8Sl[2][5], sg_au8DefaultScalingListInter, 64);
|
||
memcpy(sl->aaau8Sl[3][0], sg_au8DefaultScalingListIntra, 64);
|
||
memcpy(sl->aaau8Sl[3][1], sg_au8DefaultScalingListIntra, 64);
|
||
memcpy(sl->aaau8Sl[3][2], sg_au8DefaultScalingListIntra, 64);
|
||
memcpy(sl->aaau8Sl[3][3], sg_au8DefaultScalingListInter, 64);
|
||
memcpy(sl->aaau8Sl[3][4], sg_au8DefaultScalingListInter, 64);
|
||
memcpy(sl->aaau8Sl[3][5], sg_au8DefaultScalingListInter, 64);
|
||
}
|
||
|
||
static int scalingListData(T_GetBitContext *pvBuf, T_ScalingList *sl, T_HEVCSPS *ptSps)
|
||
{
|
||
uint8_t scaling_list_pred_mode_flag;
|
||
int32_t scaling_list_dc_coef[2][6];
|
||
int size_id, matrix_id, pos;
|
||
int i;
|
||
|
||
for (size_id = 0; size_id < 4; size_id++)
|
||
for (matrix_id = 0; matrix_id < 6; matrix_id += ((size_id == 3) ? 3 : 1)) {
|
||
scaling_list_pred_mode_flag = getOneBit(pvBuf);
|
||
if (!scaling_list_pred_mode_flag) {
|
||
unsigned int delta = parseUe(pvBuf);
|
||
/* Only need to handle non-zero delta. Zero means default,
|
||
* which should already be in the arrays. */
|
||
if (delta) {
|
||
// Copy from previous array.
|
||
delta *= (size_id == 3) ? 3 : 1;
|
||
if (matrix_id < delta) {
|
||
RPT(RPT_ERR,
|
||
"Invalid delta in scaling list data: %d.\n", delta);
|
||
return -1;
|
||
}
|
||
|
||
memcpy(sl->aaau8Sl[size_id][matrix_id],
|
||
sl->aaau8Sl[size_id][matrix_id - delta],
|
||
size_id > 0 ? 64 : 16);
|
||
if (size_id > 1)
|
||
sl->aau8SlDc[size_id - 2][matrix_id] = sl->aau8SlDc[size_id - 2][matrix_id - delta];
|
||
}
|
||
} else {
|
||
int next_coef, coef_num;
|
||
int32_t scaling_list_delta_coef;
|
||
|
||
next_coef = 8;
|
||
coef_num = FFMIN(64, 1 << (4 + (size_id << 1)));
|
||
if (size_id > 1) {
|
||
scaling_list_dc_coef[size_id - 2][matrix_id] = parseSe(pvBuf) + 8;
|
||
next_coef = scaling_list_dc_coef[size_id - 2][matrix_id];
|
||
sl->aau8SlDc[size_id - 2][matrix_id] = next_coef;
|
||
}
|
||
for (i = 0; i < coef_num; i++) {
|
||
if (size_id == 0)
|
||
pos = 4 * g_au8HevcDiagScan4x4Y[i] +
|
||
g_au8HevcDiagScan4x4X[i];
|
||
else
|
||
pos = 8 * g_au8HevcDiagScan8x8Y[i] +
|
||
g_au8HevcDiagScan8x8X[i];
|
||
|
||
scaling_list_delta_coef = parseSe(pvBuf);
|
||
next_coef = (next_coef + 256U + scaling_list_delta_coef) % 256;
|
||
sl->aaau8Sl[size_id][matrix_id][pos] = next_coef;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (ptSps->iChromaFormatIdc == 3) {
|
||
for (i = 0; i < 64; i++) {
|
||
sl->aaau8Sl[3][1][i] = sl->aaau8Sl[2][1][i];
|
||
sl->aaau8Sl[3][2][i] = sl->aaau8Sl[2][2][i];
|
||
sl->aaau8Sl[3][4][i] = sl->aaau8Sl[2][4][i];
|
||
sl->aaau8Sl[3][5][i] = sl->aaau8Sl[2][5][i];
|
||
}
|
||
sl->aau8SlDc[1][1] = sl->aau8SlDc[0][1];
|
||
sl->aau8SlDc[1][2] = sl->aau8SlDc[0][2];
|
||
sl->aau8SlDc[1][4] = sl->aau8SlDc[0][4];
|
||
sl->aau8SlDc[1][5] = sl->aau8SlDc[0][5];
|
||
}
|
||
|
||
|
||
return 0;
|
||
}
|
||
|
||
int hevcDecodeShortTermRps(T_GetBitContext *pvBuf,
|
||
T_ShortTermRPS *rps, const T_HEVCSPS *ptSps, int is_slice_header)
|
||
{
|
||
uint8_t rps_predict = 0;
|
||
int au32DeltaPoc;
|
||
int k0 = 0;
|
||
int k1 = 0;
|
||
int k = 0;
|
||
int i;
|
||
|
||
if (rps != ptSps->atStRps && ptSps->uiNbStRps)
|
||
rps_predict = getOneBit(pvBuf);
|
||
|
||
if (rps_predict) {
|
||
const T_ShortTermRPS *ptRpsRidx;
|
||
int iDeltaRps;
|
||
unsigned int uiAbsDeltaRps;
|
||
uint8_t u8UseDeltaFlag = 0;
|
||
uint8_t u8DeltaRpsSign = 0;
|
||
|
||
if (is_slice_header) {
|
||
unsigned int uiDeltaIdx = parseUe(pvBuf) + 1;
|
||
if (u8DeltaRpsSign > ptSps->uiNbStRps) {
|
||
RPT(RPT_ERR,
|
||
"Invalid value of delta_idx in slice header RPS: %d > %d.\n",
|
||
u8DeltaRpsSign, ptSps->uiNbStRps);
|
||
return -1;
|
||
}
|
||
ptRpsRidx = &ptSps->atStRps[ptSps->uiNbStRps - u8DeltaRpsSign];
|
||
rps->iRpsIdxNumDeltaPocs = ptRpsRidx->iNumDeltaPocs;
|
||
} else
|
||
ptRpsRidx = &ptSps->atStRps[rps - ptSps->atStRps - 1];
|
||
|
||
u8DeltaRpsSign = getOneBit(pvBuf);
|
||
uiAbsDeltaRps = parseUe(pvBuf) + 1;
|
||
if (uiAbsDeltaRps < 1 || uiAbsDeltaRps > 32768) {
|
||
RPT(RPT_ERR,
|
||
"Invalid value of uiAbsDeltaRps: %d\n",
|
||
uiAbsDeltaRps);
|
||
return -1;
|
||
}
|
||
iDeltaRps = (1 - (u8DeltaRpsSign << 1)) * uiAbsDeltaRps;
|
||
for (i = 0; i <= ptRpsRidx->iNumDeltaPocs; i++) {
|
||
int used = rps->au8Used[k] = getOneBit(pvBuf);
|
||
|
||
if (!used)
|
||
u8UseDeltaFlag = getOneBit(pvBuf);
|
||
|
||
if (used || u8UseDeltaFlag) {
|
||
if (i < ptRpsRidx->iNumDeltaPocs)
|
||
au32DeltaPoc = iDeltaRps + ptRpsRidx->au32DeltaPoc[i];
|
||
else
|
||
au32DeltaPoc = iDeltaRps;
|
||
rps->au32DeltaPoc[k] = au32DeltaPoc;
|
||
if (au32DeltaPoc < 0)
|
||
k0++;
|
||
else
|
||
k1++;
|
||
k++;
|
||
}
|
||
}
|
||
|
||
if (k >= FF_ARRAY_ELEMS(rps->au8Used)) {
|
||
RPT(RPT_ERR,
|
||
"Invalid iNumDeltaPocs: %d\n", k);
|
||
return -1;
|
||
}
|
||
|
||
rps->iNumDeltaPocs = k;
|
||
rps->uiNumNegativePics = k0;
|
||
// sort in increasing order (smallest first)
|
||
if (rps->iNumDeltaPocs != 0) {
|
||
int used, tmp;
|
||
for (i = 1; i < rps->iNumDeltaPocs; i++) {
|
||
au32DeltaPoc = rps->au32DeltaPoc[i];
|
||
used = rps->au8Used[i];
|
||
for (k = i - 1; k >= 0; k--) {
|
||
tmp = rps->au32DeltaPoc[k];
|
||
if (au32DeltaPoc < tmp) {
|
||
rps->au32DeltaPoc[k + 1] = tmp;
|
||
rps->au8Used[k + 1] = rps->au8Used[k];
|
||
rps->au32DeltaPoc[k] = au32DeltaPoc;
|
||
rps->au8Used[k] = used;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
if ((rps->uiNumNegativePics >> 1) != 0) {
|
||
int used;
|
||
k = rps->uiNumNegativePics - 1;
|
||
// flip the negative values to largest first
|
||
for (i = 0; i < rps->uiNumNegativePics >> 1; i++) {
|
||
au32DeltaPoc = rps->au32DeltaPoc[i];
|
||
used = rps->au8Used[i];
|
||
rps->au32DeltaPoc[i] = rps->au32DeltaPoc[k];
|
||
rps->au8Used[i] = rps->au8Used[k];
|
||
rps->au32DeltaPoc[k] = au32DeltaPoc;
|
||
rps->au8Used[k] = used;
|
||
k--;
|
||
}
|
||
}
|
||
} else {
|
||
unsigned int uiPrev, uiNbPositivePics;
|
||
rps->uiNumNegativePics = parseUe(pvBuf);
|
||
uiNbPositivePics = parseUe(pvBuf);
|
||
|
||
if (rps->uiNumNegativePics >= HEVC_MAX_REFS ||
|
||
uiNbPositivePics >= HEVC_MAX_REFS) {
|
||
RPT(RPT_ERR, "Too many refs in a short term RPS.\n");
|
||
return -1;
|
||
}
|
||
|
||
rps->iNumDeltaPocs = rps->uiNumNegativePics + uiNbPositivePics;
|
||
if (rps->iNumDeltaPocs) {
|
||
uiPrev = 0;
|
||
for (i = 0; i < rps->uiNumNegativePics; i++) {
|
||
au32DeltaPoc = parseUe(pvBuf) + 1;
|
||
if (au32DeltaPoc < 1 || au32DeltaPoc > 32768) {
|
||
RPT(RPT_ERR,
|
||
"Invalid value of au32DeltaPoc: %d\n",
|
||
au32DeltaPoc);
|
||
return -1;
|
||
}
|
||
uiPrev -= au32DeltaPoc;
|
||
rps->au32DeltaPoc[i] = uiPrev;
|
||
rps->au8Used[i] = getOneBit(pvBuf);
|
||
}
|
||
uiPrev = 0;
|
||
for (i = 0; i < uiNbPositivePics; i++) {
|
||
au32DeltaPoc = parseUe(pvBuf) + 1;
|
||
if (au32DeltaPoc < 1 || au32DeltaPoc > 32768) {
|
||
RPT(RPT_ERR,
|
||
"Invalid value of au32DeltaPoc: %d\n",
|
||
au32DeltaPoc);
|
||
return -1;
|
||
}
|
||
uiPrev += au32DeltaPoc;
|
||
rps->au32DeltaPoc[rps->uiNumNegativePics + i] = uiPrev;
|
||
rps->au8Used[rps->uiNumNegativePics + i] = getOneBit(pvBuf);
|
||
}
|
||
}
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
static void decodeSublayerHrd(T_GetBitContext *pvBuf, unsigned int nb_cpb,
|
||
int iSubpicParamsPresent)
|
||
{
|
||
int i;
|
||
|
||
for (i = 0; i < nb_cpb; i++) {
|
||
parseUe(pvBuf); // bit_rate_value_minus1
|
||
parseUe(pvBuf); // cpb_size_value_minus1
|
||
|
||
if (iSubpicParamsPresent) {
|
||
parseUe(pvBuf); // cpb_size_du_value_minus1
|
||
parseUe(pvBuf); // bit_rate_du_value_minus1
|
||
}
|
||
getOneBit(pvBuf); // cbr_flag
|
||
}
|
||
}
|
||
|
||
static int decodeHrd(T_GetBitContext *pvBuf, int common_inf_present,
|
||
int max_sublayers)
|
||
{
|
||
int iNalParamsPresent = 0, iVclParamsPresent = 0;
|
||
int iSubpicParamsPresent = 0;
|
||
int i;
|
||
|
||
if (common_inf_present) {
|
||
iNalParamsPresent = getOneBit(pvBuf);
|
||
iVclParamsPresent = getOneBit(pvBuf);
|
||
|
||
if (iNalParamsPresent || iVclParamsPresent) {
|
||
iSubpicParamsPresent = getOneBit(pvBuf);
|
||
|
||
if (iSubpicParamsPresent) {
|
||
getBits(pvBuf, 8); // tick_divisor_minus2
|
||
getBits(pvBuf, 5); // du_cpb_removal_delay_increment_length_minus1
|
||
getBits(pvBuf, 1); // sub_pic_cpb_params_in_pic_timing_sei_flag
|
||
getBits(pvBuf, 5); // dpb_output_delay_du_length_minus1
|
||
}
|
||
|
||
getBits(pvBuf, 4); // bit_rate_scale
|
||
getBits(pvBuf, 4); // cpb_size_scale
|
||
|
||
if (iSubpicParamsPresent)
|
||
getBits(pvBuf, 4); // cpb_size_du_scale
|
||
|
||
getBits(pvBuf, 5); // initial_cpb_removal_delay_length_minus1
|
||
getBits(pvBuf, 5); // au_cpb_removal_delay_length_minus1
|
||
getBits(pvBuf, 5); // dpb_output_delay_length_minus1
|
||
}
|
||
}
|
||
|
||
for (i = 0; i < max_sublayers; i++) {
|
||
int low_delay = 0;
|
||
unsigned int nb_cpb = 1;
|
||
int iFixedRate = getOneBit(pvBuf);
|
||
|
||
if (!iFixedRate)
|
||
iFixedRate = getOneBit(pvBuf);
|
||
|
||
if (iFixedRate)
|
||
parseUe(pvBuf); // elemental_duration_in_tc_minus1
|
||
else
|
||
low_delay = getOneBit(pvBuf);
|
||
|
||
if (!low_delay) {
|
||
nb_cpb = parseUe(pvBuf) + 1;
|
||
if (nb_cpb < 1 || nb_cpb > 32) {
|
||
RPT(RPT_ERR, "nb_cpb %d invalid\n", nb_cpb);
|
||
return -1;
|
||
}
|
||
}
|
||
|
||
if (iNalParamsPresent)
|
||
decodeSublayerHrd(pvBuf, nb_cpb, iSubpicParamsPresent);
|
||
if (iVclParamsPresent)
|
||
decodeSublayerHrd(pvBuf, nb_cpb, iSubpicParamsPresent);
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
|
||
|
||
static void decodeVui(T_GetBitContext *pvBuf, T_HEVCSPS *ptSps)
|
||
{
|
||
T_VUI tBackupVui, *tVui = &ptSps->tVui;
|
||
T_GetBitContext tBackup;
|
||
int sar_present, alt = 0;
|
||
|
||
RPT(RPT_DBG, "Decoding VUI\n");
|
||
|
||
sar_present = getOneBit(pvBuf);
|
||
if (sar_present) {
|
||
uint8_t sar_idx = getBits(pvBuf, 8);
|
||
if (sar_idx < FF_ARRAY_ELEMS(sg_atVuiSar))
|
||
tVui->tSar = sg_atVuiSar[sar_idx];
|
||
else if (sar_idx == 255) {
|
||
tVui->tSar.num = getBits(pvBuf, 16);
|
||
tVui->tSar.den = getBits(pvBuf, 16);
|
||
} else
|
||
RPT(RPT_WRN,
|
||
"Unknown SAR index: %u.\n", sar_idx);
|
||
}
|
||
|
||
tVui->iOverscanInfoPresentFlag = getOneBit(pvBuf);
|
||
if (tVui->iOverscanInfoPresentFlag)
|
||
tVui->iOverscanAppropriateFlag = getOneBit(pvBuf);
|
||
|
||
tVui->iVideoSignalTypePresentFlag = getOneBit(pvBuf);
|
||
if (tVui->iVideoSignalTypePresentFlag) {
|
||
tVui->iVideoFormat = getBits(pvBuf, 3);
|
||
tVui->iVideoFullRangeFlag = getOneBit(pvBuf);
|
||
tVui->iColourDescriptionPresentFlag = getOneBit(pvBuf);
|
||
// if (tVui->iVideoFullRangeFlag && ptSps->pix_fmt == AV_PIX_FMT_YUV420P)
|
||
// ptSps->pix_fmt = AV_PIX_FMT_YUVJ420P;
|
||
if (tVui->iColourDescriptionPresentFlag) {
|
||
tVui->u8ColourPrimaries = getBits(pvBuf, 8);
|
||
tVui->u8TransferCharacteristic = getBits(pvBuf, 8);
|
||
tVui->u8MatrixCoeffs = getBits(pvBuf, 8);
|
||
}
|
||
}
|
||
|
||
tVui->iChromaLocInfoPresentFlag = getOneBit(pvBuf);
|
||
if (tVui->iChromaLocInfoPresentFlag) {
|
||
tVui->iChromaSampleLocTypeTopField = parseUe(pvBuf);
|
||
tVui->iChromaSampleLocTypeBottomField = parseUe(pvBuf);
|
||
}
|
||
|
||
tVui->iNeutraChromaIndicationFlag = getOneBit(pvBuf);
|
||
tVui->iFieldSeqFlag = getOneBit(pvBuf);
|
||
tVui->iFrameFieldInfoPresentFlag = getOneBit(pvBuf);
|
||
|
||
// Backup context in case an alternate header is detected
|
||
memcpy(&tBackup, pvBuf, sizeof(tBackup));
|
||
memcpy(&tBackupVui, tVui, sizeof(tBackupVui));
|
||
if (getBitsLeft(pvBuf) >= 68 && showBitsLong(pvBuf, 21) == 0x100000) {
|
||
tVui->iDefaultDisplayWindowFlag = 0;
|
||
RPT(RPT_WRN, "Invalid default display window\n");
|
||
} else
|
||
tVui->iDefaultDisplayWindowFlag = getOneBit(pvBuf);
|
||
|
||
if (tVui->iDefaultDisplayWindowFlag) {
|
||
int vert_mult = sg_au8HevcSubHeightC[ptSps->iChromaFormatIdc];
|
||
int horiz_mult = sg_au8HevcSubWidthC[ptSps->iChromaFormatIdc];
|
||
tVui->tDefDispWin.uiLeftOffset = parseUe(pvBuf) * horiz_mult;
|
||
tVui->tDefDispWin.uiRightOffset = parseUe(pvBuf) * horiz_mult;
|
||
tVui->tDefDispWin.uiTopOffset = parseUe(pvBuf) * vert_mult;
|
||
tVui->tDefDispWin.uiBottomOffset = parseUe(pvBuf) * vert_mult;
|
||
}
|
||
|
||
timing_info:
|
||
tVui->iVuiTimingInfoPresentFlag = getOneBit(pvBuf);
|
||
|
||
if (tVui->iVuiTimingInfoPresentFlag) {
|
||
if( getBitsLeft(pvBuf) < 66 && !alt) {
|
||
// The alternate syntax seem to have timing info located
|
||
// at where tDefDispWin is normally located
|
||
RPT(RPT_WRN,
|
||
"Strange VUI timing information, retrying...\n");
|
||
memcpy(tVui, &tBackupVui, sizeof(tBackupVui));
|
||
memcpy(pvBuf, &tBackup, sizeof(tBackup));
|
||
alt = 1;
|
||
goto timing_info;
|
||
}
|
||
tVui->u32VuiNumUnitsInTick = getBits(pvBuf, 32);
|
||
tVui->u32VuiTimeScale = getBits(pvBuf, 32);
|
||
if (alt) {
|
||
RPT(RPT_INF, "Retry got %u/%u fps\n",
|
||
tVui->u32VuiTimeScale, tVui->u32VuiNumUnitsInTick);
|
||
}
|
||
tVui->iVuiPocProportionalToTimingFlag = getOneBit(pvBuf);
|
||
if (tVui->iVuiPocProportionalToTimingFlag)
|
||
tVui->iVuiNumTicksPocDiffOneMinus1 = parseUe(pvBuf);
|
||
tVui->iVuiHrdParametersPresentFlag = getOneBit(pvBuf);
|
||
if (tVui->iVuiHrdParametersPresentFlag)
|
||
decodeHrd(pvBuf, 1, ptSps->iMaxSubLayers);
|
||
}
|
||
|
||
tVui->iBitstreamRestrictionFlag = getOneBit(pvBuf);
|
||
if (tVui->iBitstreamRestrictionFlag) {
|
||
if (getBitsLeft(pvBuf) < 8 && !alt) {
|
||
RPT(RPT_WRN,
|
||
"Strange VUI bitstream restriction information, retrying"
|
||
" from timing information...\n");
|
||
memcpy(tVui, &tBackupVui, sizeof(tBackupVui));
|
||
memcpy(pvBuf, &tBackup, sizeof(tBackup));
|
||
alt = 1;
|
||
goto timing_info;
|
||
}
|
||
tVui->iTilesFixedStructureFlag = getOneBit(pvBuf);
|
||
tVui->iMotionVectorsOverPicBoundariesFlag = getOneBit(pvBuf);
|
||
tVui->iRestrictedRefPicListsFlag = getOneBit(pvBuf);
|
||
tVui->iMinSpatialSegmentationIdc = parseUe(pvBuf);
|
||
tVui->iMaxBytesPerPicDenom = parseUe(pvBuf);
|
||
tVui->iMaxBitsPerMinCuDenom = parseUe(pvBuf);
|
||
tVui->iLog2MaxMvLengthHorizontal = parseUe(pvBuf);
|
||
tVui->iLog2MaxMvLengthVertical = parseUe(pvBuf);
|
||
}
|
||
|
||
if (getBitsLeft(pvBuf) < 1 && !alt) {
|
||
// XXX: Alternate syntax when iSpsRangeExtensionFlag != 0?
|
||
RPT(RPT_WRN,
|
||
"Overread in VUI, retrying from timing information...\n");
|
||
memcpy(tVui, &tBackupVui, sizeof(tBackupVui));
|
||
memcpy(pvBuf, &tBackup, sizeof(tBackup));
|
||
alt = 1;
|
||
goto timing_info;
|
||
}
|
||
}
|
||
|
||
static unsigned avModUintp2c(unsigned a, unsigned p)
|
||
{
|
||
return a & ((1 << p) - 1);
|
||
}
|
||
|
||
|
||
int h265DecSeqParameterSet( void *pvBufSrc, T_HEVCSPS *ptSps )
|
||
{
|
||
T_HEVCWindow *ow;
|
||
int iLog2DiffMaxMinTransformBlockSize;
|
||
int iBitDepthChroma, iStart, iVuiPresent, iSublayerOrderingInfo;
|
||
int i;
|
||
int iRet = 0;
|
||
|
||
void *pvBuf = NULL;
|
||
if(NULL == pvBufSrc || NULL == ptSps)
|
||
{
|
||
RPT(RPT_ERR,"ERR null pointer\n");
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
|
||
memset((void *)ptSps, 0, sizeof(T_HEVCSPS));
|
||
|
||
pvBuf = deEmulationPrevention(pvBufSrc);
|
||
if(NULL == pvBuf)
|
||
{
|
||
RPT(RPT_ERR,"ERR null pointer\n");
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
|
||
// Coded parameters
|
||
|
||
ptSps->uiVpsId = getBits(pvBuf, 4);
|
||
if (ptSps->uiVpsId >= HEVC_MAX_VPS_COUNT) {
|
||
RPT(RPT_ERR, "VPS id out of range: %d\n", ptSps->uiVpsId);
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
|
||
ptSps->iMaxSubLayers = getBits(pvBuf, 3) + 1;
|
||
if (ptSps->iMaxSubLayers > HEVC_MAX_SUB_LAYERS) {
|
||
RPT(RPT_ERR, "sps_max_sub_layers out of range: %d\n",
|
||
ptSps->iMaxSubLayers);
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
|
||
ptSps->u8temporalIdNestingFlag = getBits(pvBuf, 1);
|
||
if ((iRet = parsePtl(pvBuf, &ptSps->tPtl, ptSps->iMaxSubLayers)) < 0)
|
||
goto exit;
|
||
|
||
int sps_id = parseUe(pvBuf);
|
||
if (sps_id >= HEVC_MAX_SPS_COUNT) {
|
||
RPT(RPT_ERR, "SPS id out of range: %d\n", sps_id);
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
|
||
ptSps->iChromaFormatIdc = parseUe(pvBuf);
|
||
if (ptSps->iChromaFormatIdc > 3U) {
|
||
RPT(RPT_ERR, "iChromaFormatIdc %d is invalid\n", ptSps->iChromaFormatIdc);
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
|
||
if (ptSps->iChromaFormatIdc == 3)
|
||
ptSps->u8SeparateColourPlaneFlag = getOneBit(pvBuf);
|
||
|
||
if (ptSps->u8SeparateColourPlaneFlag)
|
||
ptSps->iChromaFormatIdc = 0;
|
||
|
||
ptSps->iWidth = parseUe(pvBuf);
|
||
ptSps->iHeight = parseUe(pvBuf);
|
||
|
||
if (getOneBit(pvBuf)) { // pic_conformance_flag
|
||
int vert_mult = sg_au8HevcSubHeightC[ptSps->iChromaFormatIdc];
|
||
int horiz_mult = sg_au8HevcSubWidthC[ptSps->iChromaFormatIdc];
|
||
ptSps->tPicConfWin.uiLeftOffset = parseUe(pvBuf) * horiz_mult;
|
||
ptSps->tPicConfWin.uiRightOffset = parseUe(pvBuf) * horiz_mult;
|
||
ptSps->tPicConfWin.uiTopOffset = parseUe(pvBuf) * vert_mult;
|
||
ptSps->tPicConfWin.uiBottomOffset = parseUe(pvBuf) * vert_mult;
|
||
|
||
ptSps->tOutputWindow = ptSps->tPicConfWin;
|
||
}
|
||
|
||
ptSps->iBitDepth = parseUe(pvBuf) + 8;
|
||
iBitDepthChroma = parseUe(pvBuf) + 8;
|
||
|
||
if (ptSps->iChromaFormatIdc && iBitDepthChroma != ptSps->iBitDepth) {
|
||
RPT(RPT_ERR,
|
||
"Luma bit depth (%d) is different from chroma bit depth (%d), "
|
||
"this is unsupported.\n",
|
||
ptSps->iBitDepth, iBitDepthChroma);
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
ptSps->iBitDepthChroma = iBitDepthChroma;
|
||
|
||
ptSps->uiLog2MaxPocLsb = parseUe(pvBuf) + 4;
|
||
if (ptSps->uiLog2MaxPocLsb > 16) {
|
||
RPT(RPT_ERR, "log2_max_pic_order_cnt_lsb_minus4 out range: %d\n",
|
||
ptSps->uiLog2MaxPocLsb - 4);
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
|
||
iSublayerOrderingInfo = getOneBit(pvBuf);
|
||
iStart = iSublayerOrderingInfo ? 0 : ptSps->iMaxSubLayers - 1;
|
||
for (i = iStart; i < ptSps->iMaxSubLayers; i++) {
|
||
ptSps->stTemporalLayer[i].iMaxDecPicBuffering = parseUe(pvBuf) + 1;
|
||
ptSps->stTemporalLayer[i].iNumReorderPics = parseUe(pvBuf);
|
||
ptSps->stTemporalLayer[i].iMaxLatencyIncrease = parseUe(pvBuf) - 1;
|
||
if (ptSps->stTemporalLayer[i].iMaxDecPicBuffering > (unsigned)HEVC_MAX_DPB_SIZE) {
|
||
RPT(RPT_ERR, "sps_max_dec_pic_buffering_minus1 out of range: %d\n",
|
||
ptSps->stTemporalLayer[i].iMaxDecPicBuffering - 1U);
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
if (ptSps->stTemporalLayer[i].iNumReorderPics > ptSps->stTemporalLayer[i].iMaxDecPicBuffering - 1) {
|
||
RPT(RPT_WRN, "sps_max_num_reorder_pics out of range: %d\n",
|
||
ptSps->stTemporalLayer[i].iNumReorderPics);
|
||
if (ptSps->stTemporalLayer[i].iNumReorderPics > HEVC_MAX_DPB_SIZE - 1) {
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
ptSps->stTemporalLayer[i].iMaxDecPicBuffering = ptSps->stTemporalLayer[i].iNumReorderPics + 1;
|
||
}
|
||
}
|
||
|
||
if (!iSublayerOrderingInfo) {
|
||
for (i = 0; i < iStart; i++) {
|
||
ptSps->stTemporalLayer[i].iMaxDecPicBuffering = ptSps->stTemporalLayer[iStart].iMaxDecPicBuffering;
|
||
ptSps->stTemporalLayer[i].iNumReorderPics = ptSps->stTemporalLayer[iStart].iNumReorderPics;
|
||
ptSps->stTemporalLayer[i].iMaxLatencyIncrease = ptSps->stTemporalLayer[iStart].iMaxLatencyIncrease;
|
||
}
|
||
}
|
||
|
||
ptSps->uiLog2MinCbSize = parseUe(pvBuf) + 3;
|
||
ptSps->uiLog2DiffMaxMinCodingBlockSize = parseUe(pvBuf);
|
||
ptSps->uiLog2MinTbSize = parseUe(pvBuf) + 2;
|
||
iLog2DiffMaxMinTransformBlockSize = parseUe(pvBuf);
|
||
ptSps->uiLog2MaxTrafoSize = iLog2DiffMaxMinTransformBlockSize +
|
||
ptSps->uiLog2MinTbSize;
|
||
|
||
if (ptSps->uiLog2MinCbSize < 3 || ptSps->uiLog2MinCbSize > 30) {
|
||
RPT(RPT_ERR, "Invalid value %d for uiLog2MinCbSize", ptSps->uiLog2MinCbSize);
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
|
||
if (ptSps->uiLog2DiffMaxMinCodingBlockSize > 30) {
|
||
RPT(RPT_ERR, "Invalid value %d for uiLog2DiffMaxMinCodingBlockSize", ptSps->uiLog2DiffMaxMinCodingBlockSize);
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
|
||
if (ptSps->uiLog2MinTbSize >= ptSps->uiLog2MinCbSize || ptSps->uiLog2MinTbSize < 2) {
|
||
RPT(RPT_ERR, "Invalid value for uiLog2MinTbSize");
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
|
||
if (iLog2DiffMaxMinTransformBlockSize < 0 || iLog2DiffMaxMinTransformBlockSize > 30) {
|
||
RPT(RPT_ERR, "Invalid value %d for iLog2DiffMaxMinTransformBlockSize", iLog2DiffMaxMinTransformBlockSize);
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
|
||
ptSps->iMaxTransformHierarchyDepthInter = parseUe(pvBuf);
|
||
ptSps->iMaxTransformHierarchyDepthIntra = parseUe(pvBuf);
|
||
|
||
ptSps->u8ScalingListEnableFlag = getOneBit(pvBuf);
|
||
|
||
if (ptSps->u8ScalingListEnableFlag) {
|
||
setDefaultScalingListData(&ptSps->tScalingList);
|
||
|
||
if (getOneBit(pvBuf)) {
|
||
iRet = scalingListData(pvBuf, &ptSps->tScalingList, ptSps);
|
||
if (iRet < 0)
|
||
goto exit;
|
||
}
|
||
}
|
||
|
||
ptSps->u8AmpEnabledFlag = getOneBit(pvBuf);
|
||
ptSps->u8SaoEnabled = getOneBit(pvBuf);
|
||
|
||
ptSps->iPcmEnabledFlag = getOneBit(pvBuf);
|
||
|
||
if (ptSps->iPcmEnabledFlag) {
|
||
ptSps->pcm.u8BitDepth = getBits(pvBuf, 4) + 1;
|
||
ptSps->pcm.u8BitDepthChroma = getBits(pvBuf, 4) + 1;
|
||
ptSps->pcm.uiLog2MinPcmCbSize = parseUe(pvBuf) + 3;
|
||
ptSps->pcm.uiLog2MaxPcmCbSize = ptSps->pcm.uiLog2MinPcmCbSize +
|
||
parseUe(pvBuf);
|
||
if (FFMAX(ptSps->pcm.u8BitDepth, ptSps->pcm.u8BitDepthChroma) > ptSps->iBitDepth) {
|
||
RPT(RPT_ERR,
|
||
"PCM bit depth (%d, %d) is greater than normal bit depth (%d)\n",
|
||
ptSps->pcm.u8BitDepth, ptSps->pcm.u8BitDepthChroma, ptSps->iBitDepth);
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
|
||
ptSps->pcm.u8LoopFilterDisableFlag = getOneBit(pvBuf);
|
||
}
|
||
|
||
ptSps->uiNbStRps = parseUe(pvBuf);
|
||
if (ptSps->uiNbStRps > HEVC_MAX_SHORT_TERM_REF_PIC_SETS) {
|
||
RPT(RPT_ERR, "Too many short term RPS: %d.\n",
|
||
ptSps->uiNbStRps);
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
for (i = 0; i < ptSps->uiNbStRps; i++) {
|
||
if ((iRet = hevcDecodeShortTermRps(pvBuf, &ptSps->atStRps[i],
|
||
ptSps, 0)) < 0)
|
||
goto exit;
|
||
}
|
||
|
||
ptSps->u8LongTermRefPicsPresentFlag = getOneBit(pvBuf);
|
||
if (ptSps->u8LongTermRefPicsPresentFlag) {
|
||
ptSps->u8NumLongTermRefPicsSps = parseUe(pvBuf);
|
||
if (ptSps->u8NumLongTermRefPicsSps > HEVC_MAX_LONG_TERM_REF_PICS) {
|
||
RPT(RPT_ERR, "Too many long term ref pics: %d.\n",
|
||
ptSps->u8NumLongTermRefPicsSps);
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
for (i = 0; i < ptSps->u8NumLongTermRefPicsSps; i++) {
|
||
ptSps->au16LtRefPicPocLsbSps[i] = getBits(pvBuf, ptSps->uiLog2MaxPocLsb);
|
||
ptSps->au8UsedByCurrPicLtSpsFlag[i] = getOneBit(pvBuf);
|
||
}
|
||
}
|
||
|
||
ptSps->u8SpsTemporalMvpEnabledFlag = getOneBit(pvBuf);
|
||
ptSps->u8SpsStrongIntraMmoothingEnableFlag = getOneBit(pvBuf);
|
||
ptSps->tVui.tSar = (T_AVRational){0, 1};
|
||
ptSps->iVuiPresent = getOneBit(pvBuf);
|
||
if (ptSps->iVuiPresent)
|
||
decodeVui(pvBuf, ptSps);
|
||
|
||
|
||
if (getOneBit(pvBuf)) { // sps_extension_flag
|
||
int iSpsRangeExtensionFlag = getOneBit(pvBuf);
|
||
getBits(pvBuf, 7); //sps_extension_7bits = getBits(pvBuf, 7);
|
||
if (iSpsRangeExtensionFlag) {
|
||
int iExtendedPrecisionProcessingFlag;
|
||
int iCabacBypassAlignmentEnabledFlag;
|
||
|
||
ptSps->iTransformSkipRotationEnabledFlag = getOneBit(pvBuf);
|
||
ptSps->iTransformSkipContextEnabledFlag = getOneBit(pvBuf);
|
||
ptSps->iImplicitRdpcmEnabledFlag = getOneBit(pvBuf);
|
||
|
||
ptSps->iExplicitRdpcmEnabledFlag = getOneBit(pvBuf);
|
||
|
||
iExtendedPrecisionProcessingFlag = getOneBit(pvBuf);
|
||
if (iExtendedPrecisionProcessingFlag)
|
||
RPT(RPT_WRN,
|
||
"iExtendedPrecisionProcessingFlag not yet implemented\n");
|
||
|
||
ptSps->iIntraSmoothingDisabledFlag = getOneBit(pvBuf);
|
||
ptSps->iHighPrecisionOffsetsEnabledFlag = getOneBit(pvBuf);
|
||
if (ptSps->iHighPrecisionOffsetsEnabledFlag)
|
||
RPT(RPT_WRN,
|
||
"iHighPrecisionOffsetsEnabledFlag not yet implemented\n");
|
||
|
||
ptSps->iPersistentRiceAdaptationEnabledFlag = getOneBit(pvBuf);
|
||
|
||
iCabacBypassAlignmentEnabledFlag = getOneBit(pvBuf);
|
||
if (iCabacBypassAlignmentEnabledFlag)
|
||
RPT(RPT_WRN,
|
||
"iCabacBypassAlignmentEnabledFlag not yet implemented\n");
|
||
}
|
||
}
|
||
|
||
ow = &ptSps->tOutputWindow;
|
||
if (ow->uiLeftOffset >= INT_MAX - ow->uiRightOffset ||
|
||
ow->uiTopOffset >= INT_MAX - ow->uiBottomOffset ||
|
||
ow->uiLeftOffset + ow->uiRightOffset >= ptSps->iWidth ||
|
||
ow->uiTopOffset + ow->uiBottomOffset >= ptSps->iHeight) {
|
||
RPT(RPT_WRN, "Invalid cropping offsets: %u/%u/%u/%u\n",
|
||
ow->uiLeftOffset, ow->uiRightOffset, ow->uiTopOffset, ow->uiBottomOffset);
|
||
RPT(RPT_WRN,
|
||
"Displaying the whole video surface.\n");
|
||
memset(ow, 0, sizeof(*ow));
|
||
memset(&ptSps->tPicConfWin, 0, sizeof(ptSps->tPicConfWin));
|
||
}
|
||
|
||
// Inferred parameters
|
||
ptSps->uiLog2CtbSize = ptSps->uiLog2MinCbSize +
|
||
ptSps->uiLog2DiffMaxMinCodingBlockSize;
|
||
ptSps->uiLog2MinPuSize = ptSps->uiLog2MinCbSize - 1;
|
||
|
||
if (ptSps->uiLog2CtbSize > HEVC_MAX_LOG2_CTB_SIZE) {
|
||
RPT(RPT_ERR, "CTB size out of range: 2^%d\n", ptSps->uiLog2CtbSize);
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
if (ptSps->uiLog2CtbSize < 4) {
|
||
RPT(RPT_ERR,
|
||
"uiLog2CtbSize %d differs from the bounds of any known profile\n",
|
||
ptSps->uiLog2CtbSize);
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
|
||
ptSps->iCtbWidth = (ptSps->iWidth + (1 << ptSps->uiLog2CtbSize) - 1) >> ptSps->uiLog2CtbSize;
|
||
ptSps->iCtbHeight = (ptSps->iHeight + (1 << ptSps->uiLog2CtbSize) - 1) >> ptSps->uiLog2CtbSize;
|
||
ptSps->iCtbSize = ptSps->iCtbWidth * ptSps->iCtbHeight;
|
||
|
||
ptSps->iMinCbWidth = ptSps->iWidth >> ptSps->uiLog2MinCbSize;
|
||
ptSps->iMinCbHeight = ptSps->iHeight >> ptSps->uiLog2MinCbSize;
|
||
ptSps->iMinTbWidth = ptSps->iWidth >> ptSps->uiLog2MinTbSize;
|
||
ptSps->iMinTbHeight = ptSps->iHeight >> ptSps->uiLog2MinTbSize;
|
||
ptSps->iMinPuWidth = ptSps->iWidth >> ptSps->uiLog2MinPuSize;
|
||
ptSps->iMinPuHeight = ptSps->iHeight >> ptSps->uiLog2MinPuSize;
|
||
ptSps->iTbMask = (1 << (ptSps->uiLog2CtbSize - ptSps->uiLog2MinTbSize)) - 1;
|
||
|
||
ptSps->iQpBdOffset = 6 * (ptSps->iBitDepth - 8);
|
||
|
||
if (avModUintp2c(ptSps->iWidth, ptSps->uiLog2MinCbSize) ||
|
||
avModUintp2c(ptSps->iHeight, ptSps->uiLog2MinCbSize)) {
|
||
RPT(RPT_ERR, "Invalid coded frame dimensions.\n");
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
|
||
if (ptSps->iMaxTransformHierarchyDepthInter > ptSps->uiLog2CtbSize - ptSps->uiLog2MinTbSize) {
|
||
RPT(RPT_ERR, "iMaxTransformHierarchyDepthInter out of range: %d\n",
|
||
ptSps->iMaxTransformHierarchyDepthInter);
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
if (ptSps->iMaxTransformHierarchyDepthIntra > ptSps->uiLog2CtbSize - ptSps->uiLog2MinTbSize) {
|
||
RPT(RPT_ERR, "iMaxTransformHierarchyDepthIntra out of range: %d\n",
|
||
ptSps->iMaxTransformHierarchyDepthIntra);
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
if (ptSps->uiLog2MaxTrafoSize > FFMIN(ptSps->uiLog2CtbSize, 5)) {
|
||
RPT(RPT_ERR,
|
||
"max transform block size out of range: %d\n",
|
||
ptSps->uiLog2MaxTrafoSize);
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
|
||
if (getBitsLeft(pvBuf) < 0) {
|
||
RPT(RPT_ERR,
|
||
"Overread SPS by %d bits\n", -getBitsLeft(pvBuf));
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
|
||
|
||
exit:
|
||
|
||
getBitContextFree(pvBuf);
|
||
return iRet;
|
||
|
||
}
|
||
|
||
|
||
int h265DecVideoParameterSet( void *pvBufSrc, T_HEVCVPS *ptVps )
|
||
{
|
||
int iRet = 0;
|
||
int i,j;
|
||
int uiVpsId = 0;
|
||
|
||
void *pvBuf = NULL;
|
||
if(NULL == pvBufSrc || NULL == ptVps)
|
||
{
|
||
RPT(RPT_ERR,"ERR null pointer\n");
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
|
||
memset((void *)ptVps, 0, sizeof(T_HEVCVPS));
|
||
|
||
pvBuf = deEmulationPrevention(pvBufSrc);
|
||
if(NULL == pvBuf)
|
||
{
|
||
RPT(RPT_ERR,"ERR null pointer\n");
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
|
||
RPT(RPT_DBG, "Decoding VPS\n");
|
||
|
||
uiVpsId = getBits(pvBuf, 4);
|
||
if (uiVpsId >= HEVC_MAX_VPS_COUNT) {
|
||
RPT(RPT_ERR, "VPS id out of range: %d\n", uiVpsId);
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
|
||
if (getBits(pvBuf, 2) != 3) { // vps_reserved_three_2bits
|
||
RPT(RPT_ERR, "vps_reserved_three_2bits is not three\n");
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
|
||
ptVps->iVpsMaxLayers = getBits(pvBuf, 6) + 1;
|
||
ptVps->iVpsMaxSubLayers = getBits(pvBuf, 3) + 1;
|
||
ptVps->u8VpsTemporalIdNestingFlag = getOneBit(pvBuf);
|
||
|
||
if (getBits(pvBuf, 16) != 0xffff) { // vps_reserved_ffff_16bits
|
||
RPT(RPT_ERR, "vps_reserved_ffff_16bits is not 0xffff\n");
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
|
||
if (ptVps->iVpsMaxSubLayers > HEVC_MAX_SUB_LAYERS) {
|
||
RPT(RPT_ERR, "iVpsMaxSubLayers out of range: %d\n",
|
||
ptVps->iVpsMaxSubLayers);
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
|
||
if (parsePtl(pvBuf, &ptVps->tPtl, ptVps->iVpsMaxSubLayers) < 0){
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
|
||
ptVps->iVpsSubLayerOrderingInfoPresentFlag = getOneBit(pvBuf);
|
||
|
||
i = ptVps->iVpsSubLayerOrderingInfoPresentFlag ? 0 : ptVps->iVpsMaxSubLayers - 1;
|
||
for (; i < ptVps->iVpsMaxSubLayers; i++) {
|
||
ptVps->uiVpsMaxDecPicBuffering[i] = parseUe(pvBuf) + 1;
|
||
ptVps->auiVpsNumReorderPics[i] = parseUe(pvBuf);
|
||
ptVps->auiVpsMaxLatencyIncrease[i] = parseUe(pvBuf) - 1;
|
||
|
||
if (ptVps->uiVpsMaxDecPicBuffering[i] > HEVC_MAX_DPB_SIZE || !ptVps->uiVpsMaxDecPicBuffering[i]) {
|
||
RPT(RPT_ERR, "vps_max_dec_pic_buffering_minus1 out of range: %d\n",
|
||
ptVps->uiVpsMaxDecPicBuffering[i] - 1);
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
if (ptVps->auiVpsNumReorderPics[i] > ptVps->uiVpsMaxDecPicBuffering[i] - 1) {
|
||
RPT(RPT_WRN, "vps_max_num_reorder_pics out of range: %d\n",
|
||
ptVps->auiVpsNumReorderPics[i]);
|
||
}
|
||
}
|
||
|
||
ptVps->iVpsMaxLayerId = getBits(pvBuf, 6);
|
||
ptVps->iVpsNumLayerSets = parseUe(pvBuf) + 1;
|
||
if (ptVps->iVpsNumLayerSets < 1 || ptVps->iVpsNumLayerSets > 1024 ||
|
||
(ptVps->iVpsNumLayerSets - 1LL) * (ptVps->iVpsMaxLayerId + 1LL) > getBitsLeft(pvBuf)) {
|
||
RPT(RPT_ERR, "too many layer_id_included_flags\n");
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
|
||
for (i = 1; i < ptVps->iVpsNumLayerSets; i++)
|
||
for (j = 0; j <= ptVps->iVpsMaxLayerId; j++)
|
||
getBits(pvBuf, 1); // layer_id_included_flag[i][j]
|
||
|
||
ptVps->u8VpsTimingInfoPresentFlag = getOneBit(pvBuf);
|
||
if (ptVps->u8VpsTimingInfoPresentFlag) {
|
||
ptVps->u32VpsNumUnitsInTick = getBits(pvBuf, 32);
|
||
ptVps->u32VpsTimeScale = getBits(pvBuf, 32);
|
||
ptVps->u8VpsPocProportionalToTimingFlag = getOneBit(pvBuf);
|
||
if (ptVps->u8VpsPocProportionalToTimingFlag)
|
||
ptVps->iVpsNumTicksPocDiffOne = parseUe(pvBuf) + 1;
|
||
ptVps->iVpsNumHrdParameters = parseUe(pvBuf);
|
||
if (ptVps->iVpsNumHrdParameters > (unsigned)ptVps->iVpsNumLayerSets) {
|
||
RPT(RPT_ERR,
|
||
"iVpsNumHrdParameters %d is invalid\n", ptVps->iVpsNumHrdParameters);
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
for (i = 0; i < ptVps->iVpsNumHrdParameters; i++) {
|
||
int common_inf_present = 1;
|
||
|
||
parseUe(pvBuf); // hrd_layer_set_idx
|
||
if (i)
|
||
common_inf_present = getOneBit(pvBuf);
|
||
decodeHrd(pvBuf, common_inf_present, ptVps->iVpsMaxSubLayers);
|
||
}
|
||
}
|
||
getOneBit(pvBuf); /* vps_extension_flag */
|
||
|
||
if (getBitsLeft(pvBuf) < 0) {
|
||
RPT(RPT_ERR,
|
||
"Overread VPS by %d bits\n", -getBitsLeft(pvBuf));
|
||
|
||
iRet = -1;
|
||
goto exit;
|
||
}
|
||
|
||
|
||
exit:
|
||
|
||
getBitContextFree(pvBuf);
|
||
return iRet;
|
||
|
||
}
|
||
|
||
void h264GetWidthHeight(T_SPS *ptSps, int *piWidth, int *piHeight)
|
||
{
|
||
// ¿í¸ß¼ÆË㹫ʽ
|
||
int iCodeWidth = 0;
|
||
int iCodedHeight = 0;
|
||
iCodeWidth = 16 * ptSps->iMbWidth;
|
||
iCodedHeight = 16 * ptSps->iMbHeight;
|
||
*piWidth = iCodeWidth - (ptSps->uiCropRight + ptSps->uiCropLeft);
|
||
*piHeight = iCodedHeight - (ptSps->uiCropTop + ptSps->uiCropBottom);
|
||
if (*piWidth <= 0 || *piHeight <= 0) {
|
||
*piWidth = iCodeWidth;
|
||
*piHeight = iCodedHeight;
|
||
}
|
||
|
||
RPT(RPT_DBG, "iCodeWidth:%d, iCodedHeight:%d\n", iCodeWidth, iCodedHeight);
|
||
|
||
RPT(RPT_DBG, "*piWidth:%d, *piHeight:%d\n", *piWidth, *piHeight);
|
||
|
||
RPT(RPT_DBG, "ptSps->uiCropRight:%d, ptSps->uiCropLeft:%d\n", ptSps->uiCropRight, ptSps->uiCropLeft);
|
||
|
||
RPT(RPT_DBG, "ptSps->uiCropTop:%d, ptSps->uiCropBottom:%d\n", ptSps->uiCropTop, ptSps->uiCropBottom);
|
||
|
||
}
|
||
|
||
int h264GetFormat(T_SPS *ptSps)
|
||
{
|
||
return ptSps->iFrameMbsOnlyFlag;
|
||
}
|
||
|
||
|
||
void h264GeFramerate(T_SPS *ptSps, float *pfFramerate)
|
||
{
|
||
int iFrInt = 0;
|
||
if(ptSps->iTimingInfoPresentFlag)
|
||
{
|
||
if(!ptSps->iFixedFrameRateFlag)
|
||
{
|
||
*pfFramerate = (float)ptSps->u32TimeScale / (float)ptSps->u32NumUnitsInTick;
|
||
//iFrInt = ptSps->vui_parameters.u32TimeScale / ptSps->vui_parameters.u32NumUnitsInTick;
|
||
}else
|
||
{
|
||
*pfFramerate = (float)ptSps->u32TimeScale / (float)ptSps->u32NumUnitsInTick / 2.0;
|
||
//iFrInt = ptSps->vui_parameters.u32TimeScale / ptSps->vui_parameters.u32NumUnitsInTick / 2;
|
||
}
|
||
iFrInt = ptSps->u32TimeScale / ptSps->u32NumUnitsInTick / 2;
|
||
}
|
||
switch(iFrInt)
|
||
{
|
||
case 23:// 23.98
|
||
RPT(RPT_DBG, "frame rate:23.98");
|
||
break;
|
||
case 24:
|
||
RPT(RPT_DBG, "frame rate:24");
|
||
break;
|
||
case 25:
|
||
RPT(RPT_DBG, "frame rate:25");
|
||
break;
|
||
case 29://29.97
|
||
RPT(RPT_DBG, "frame rate:29.97");
|
||
break;
|
||
case 30:
|
||
RPT(RPT_DBG, "frame rate:30");
|
||
break;
|
||
case 50:
|
||
RPT(RPT_DBG, "frame rate:50");
|
||
break;
|
||
case 59://59.94
|
||
RPT(RPT_DBG, "frame rate:59.94");
|
||
break;
|
||
case 60:
|
||
RPT(RPT_DBG, "frame rate:60");
|
||
break;
|
||
case 6:
|
||
RPT(RPT_DBG, "frame rate:6");
|
||
break;
|
||
case 8:
|
||
RPT(RPT_DBG, "frame rate:8");
|
||
break;
|
||
case 12:
|
||
RPT(RPT_DBG, "frame rate:12");
|
||
break;
|
||
case 15:
|
||
RPT(RPT_DBG, "frame rate:15");
|
||
break;
|
||
case 10:
|
||
RPT(RPT_DBG, "frame rate:10");
|
||
break;
|
||
|
||
default:
|
||
RPT(RPT_DBG, "frame rate:0");
|
||
break;
|
||
}
|
||
|
||
return;
|
||
}
|
||
|
||
|
||
|
||
|
||
void h265GetWidthHeight(T_HEVCSPS *ptSps, int *piWidth, int *piHeight)
|
||
{
|
||
#if 1
|
||
int iCodeWidth = 0;
|
||
int iCodedHeight = 0;
|
||
iCodeWidth = ptSps->iWidth;
|
||
iCodedHeight = ptSps->iHeight;
|
||
*piWidth = ptSps->iWidth - ptSps->tOutputWindow.uiLeftOffset - ptSps->tOutputWindow.uiRightOffset;
|
||
*piHeight = ptSps->iHeight - ptSps->tOutputWindow.uiTopOffset - ptSps->tOutputWindow.uiBottomOffset;
|
||
|
||
|
||
RPT(RPT_DBG, "iCodeWidth:%d, iCodedHeight:%d\n", iCodeWidth, iCodedHeight);
|
||
|
||
RPT(RPT_DBG, "*piWidth:%d, *piHeight:%d\n", *piWidth, *piHeight);
|
||
|
||
RPT(RPT_DBG, "ptSps->tOutputWindow.uiRightOffset:%d, ptSps->tOutputWindow.uiLeftOffset:%d\n", ptSps->tOutputWindow.uiRightOffset, ptSps->tOutputWindow.uiLeftOffset);
|
||
|
||
RPT(RPT_DBG, "ptSps->tOutputWindow.uiTopOffset:%d, ptSps->tOutputWindow.uiBottomOffset:%d\n", ptSps->tOutputWindow.uiTopOffset, ptSps->tOutputWindow.uiBottomOffset);
|
||
#endif
|
||
|
||
}
|
||
|
||
|
||
|
||
void h265GeFramerate(T_HEVCVPS *ptVps, T_HEVCSPS *ptSps,float *pfFramerate)
|
||
{
|
||
if (ptVps && ptVps->u8VpsTimingInfoPresentFlag) {
|
||
*pfFramerate = (float)(ptVps->u32VpsTimeScale) / (float)(ptVps->u32VpsNumUnitsInTick);
|
||
|
||
} else if (ptSps && ptSps->tVui.iVuiTimingInfoPresentFlag && ptSps->iVuiPresent) {
|
||
*pfFramerate = (float)(ptSps->tVui.u32VuiTimeScale) / (float)(ptSps->tVui.u32VuiNumUnitsInTick);
|
||
}
|
||
else{
|
||
//vps sps可能不包含帧率
|
||
*pfFramerate = 0.0F;
|
||
RPT(RPT_WRN, "frame rate:0");
|
||
}
|
||
}
|
||
|