105 lines
3.1 KiB
C
105 lines
3.1 KiB
C
#include <assert.h>
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#include <stdlib.h>
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#include "mpeg-muxer.h"
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struct mpeg_muxer_t {
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int is_ps;
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union {
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struct {
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void *ctx;
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void *param;
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mpeg_muxer_func_t func;
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} ts;
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struct ps_muxer_t *ps;
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} u;
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};
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static void *on_mpeg_ts_alloc(void *param, size_t bytes) {
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mpeg_muxer_t *mpeg = (mpeg_muxer_t *) param;
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return mpeg->u.ts.func.alloc(mpeg->u.ts.param, bytes);
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}
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static void on_mpeg_ts_free(void *param, void *packet) {
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mpeg_muxer_t *mpeg = (mpeg_muxer_t *) param;
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mpeg->u.ts.func.free(mpeg->u.ts.param, packet);
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}
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static int on_mpeg_ts_write(void *param, const void *packet, size_t bytes) {
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mpeg_muxer_t *mpeg = (mpeg_muxer_t *) param;
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return mpeg->u.ts.func.write(mpeg->u.ts.param, 0, (void *) packet, bytes);
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}
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mpeg_muxer_t *mpeg_muxer_create(int is_ps, const mpeg_muxer_func_t *func, void *param) {
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mpeg_muxer_t *mpeg = (mpeg_muxer_t *) malloc(sizeof(mpeg_muxer_t));
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assert(mpeg);
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mpeg->is_ps = is_ps;
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if (is_ps) {
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mpeg->u.ps = ps_muxer_create(func, param);
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} else {
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struct mpeg_ts_func_t ts_func = {on_mpeg_ts_alloc, on_mpeg_ts_free, on_mpeg_ts_write};
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mpeg->u.ts.func = *func;
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mpeg->u.ts.param = param;
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mpeg->u.ts.ctx = mpeg_ts_create(&ts_func, mpeg);
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}
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return mpeg;
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}
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int mpeg_muxer_destroy(mpeg_muxer_t *muxer) {
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assert(muxer);
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int ret = -1;
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if (muxer->is_ps) {
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ret = ps_muxer_destroy(muxer->u.ps);
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} else {
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ret = mpeg_ts_destroy(muxer->u.ts.ctx);
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}
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free(muxer);
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return ret;
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}
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int mpeg_muxer_add_stream(mpeg_muxer_t *muxer, int codecid, const void *extradata, size_t extradata_size) {
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assert(muxer);
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if (muxer->is_ps) {
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return ps_muxer_add_stream(muxer->u.ps, codecid, extradata, extradata_size);
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}
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return mpeg_ts_add_stream(muxer->u.ts.ctx, codecid, extradata, extradata_size);
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}
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int mpeg_muxer_input(mpeg_muxer_t *muxer, int stream, int flags, int64_t pts, int64_t dts, const void *data, size_t bytes) {
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assert(muxer);
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if (muxer->is_ps) {
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return ps_muxer_input(muxer->u.ps, stream, flags, pts, dts, data, bytes);
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}
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return mpeg_ts_write(muxer->u.ts.ctx, stream, flags, pts, dts, data, bytes);
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}
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int mpeg_muxer_reset(mpeg_muxer_t *muxer) {
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assert(muxer);
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if (muxer->is_ps) {
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return -1;
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}
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return mpeg_ts_reset(muxer->u.ts.ctx);
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}
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int mpeg_muxer_add_program(mpeg_muxer_t *muxer, uint16_t pn, const void *info, int bytes) {
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assert(muxer);
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if (muxer->is_ps) {
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return -1;
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}
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return mpeg_ts_add_program(muxer->u.ts.ctx, pn, info, bytes);
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}
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int mpeg_muxer_remove_program(mpeg_muxer_t *muxer, uint16_t pn) {
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assert(muxer);
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if (muxer->is_ps) {
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return -1;
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}
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return mpeg_ts_remove_program(muxer->u.ts.ctx, pn);
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}
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int mpeg_muxer_add_program_stream(mpeg_muxer_t *muxer, uint16_t pn, int codecid, const void *extra_data, size_t extra_data_size) {
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assert(muxer);
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if (muxer->is_ps) {
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return -1;
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}
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return mpeg_ts_add_program_stream(muxer->u.ts.ctx, pn, codecid, extra_data, extra_data_size);
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} |