Older/MediaServer/libmpeg/source/mpeg-muxer.c

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2024-10-01 00:12:57 +08:00
#include <assert.h>
#include <stdlib.h>
#include "mpeg-muxer.h"
struct mpeg_muxer_t {
int is_ps;
union {
struct {
void *ctx;
void *param;
mpeg_muxer_func_t func;
} ts;
struct ps_muxer_t *ps;
} u;
};
static void *on_mpeg_ts_alloc(void *param, size_t bytes) {
mpeg_muxer_t *mpeg = (mpeg_muxer_t *) param;
return mpeg->u.ts.func.alloc(mpeg->u.ts.param, bytes);
}
static void on_mpeg_ts_free(void *param, void *packet) {
mpeg_muxer_t *mpeg = (mpeg_muxer_t *) param;
mpeg->u.ts.func.free(mpeg->u.ts.param, packet);
}
static int on_mpeg_ts_write(void *param, const void *packet, size_t bytes) {
mpeg_muxer_t *mpeg = (mpeg_muxer_t *) param;
return mpeg->u.ts.func.write(mpeg->u.ts.param, 0, (void *) packet, bytes);
}
mpeg_muxer_t *mpeg_muxer_create(int is_ps, const mpeg_muxer_func_t *func, void *param) {
mpeg_muxer_t *mpeg = (mpeg_muxer_t *) malloc(sizeof(mpeg_muxer_t));
assert(mpeg);
mpeg->is_ps = is_ps;
if (is_ps) {
mpeg->u.ps = ps_muxer_create(func, param);
} else {
struct mpeg_ts_func_t ts_func = {on_mpeg_ts_alloc, on_mpeg_ts_free, on_mpeg_ts_write};
mpeg->u.ts.func = *func;
mpeg->u.ts.param = param;
mpeg->u.ts.ctx = mpeg_ts_create(&ts_func, mpeg);
}
return mpeg;
}
int mpeg_muxer_destroy(mpeg_muxer_t *muxer) {
assert(muxer);
int ret = -1;
if (muxer->is_ps) {
ret = ps_muxer_destroy(muxer->u.ps);
} else {
ret = mpeg_ts_destroy(muxer->u.ts.ctx);
}
free(muxer);
return ret;
}
int mpeg_muxer_add_stream(mpeg_muxer_t *muxer, int codecid, const void *extradata, size_t extradata_size) {
assert(muxer);
if (muxer->is_ps) {
return ps_muxer_add_stream(muxer->u.ps, codecid, extradata, extradata_size);
}
return mpeg_ts_add_stream(muxer->u.ts.ctx, codecid, extradata, extradata_size);
}
int mpeg_muxer_input(mpeg_muxer_t *muxer, int stream, int flags, int64_t pts, int64_t dts, const void *data, size_t bytes) {
assert(muxer);
if (muxer->is_ps) {
return ps_muxer_input(muxer->u.ps, stream, flags, pts, dts, data, bytes);
}
return mpeg_ts_write(muxer->u.ts.ctx, stream, flags, pts, dts, data, bytes);
}
int mpeg_muxer_reset(mpeg_muxer_t *muxer) {
assert(muxer);
if (muxer->is_ps) {
return -1;
}
return mpeg_ts_reset(muxer->u.ts.ctx);
}
int mpeg_muxer_add_program(mpeg_muxer_t *muxer, uint16_t pn, const void *info, int bytes) {
assert(muxer);
if (muxer->is_ps) {
return -1;
}
return mpeg_ts_add_program(muxer->u.ts.ctx, pn, info, bytes);
}
int mpeg_muxer_remove_program(mpeg_muxer_t *muxer, uint16_t pn) {
assert(muxer);
if (muxer->is_ps) {
return -1;
}
return mpeg_ts_remove_program(muxer->u.ts.ctx, pn);
}
int mpeg_muxer_add_program_stream(mpeg_muxer_t *muxer, uint16_t pn, int codecid, const void *extra_data, size_t extra_data_size) {
assert(muxer);
if (muxer->is_ps) {
return -1;
}
return mpeg_ts_add_program_stream(muxer->u.ts.ctx, pn, codecid, extra_data, extra_data_size);
}