EXPORT void *init_bitstream(const char*in, const char *out)
{
// structure with ffmpeg variables
struct liveStream *ctx = NULL;
struct inputCfg cfg = { IN_STREAM, 0};
//Used for error checking
int ret = 0;
// allocation of Live Stream structure
ctx = malloc(sizeof(struct liveStream));
if(ctx == NULL)
{
fprintf(stderr,"Error in web play struct alloc\n");
return NULL;
}
memset(ctx, 0, sizeof(*ctx));
init_ffmpeg();
ret = configure_input(ctx, in, &cfg);
if (ret < 0)
{
ret = -1;
fprintf(stderr, "Error while configuring Input %s\n",in);
}
ctx->have_filter = 0;
ctx->video_avg_frame_rate.num = 30;
ctx->video_avg_frame_rate.den = 1;
ret = init_muxer(ctx, out);
if(ret < 0)
{
printf("Error in muxer init for %s\n", out);
ret =-1;
goto end;
}
end:
if(ret < 0)
{
stop_bitstream((void*)ctx);
return NULL;
}
return ctx;
}
int avformat_write_header(AVFormatContext *s, AVDictionary **options)
{
int ret = 0;
if (ret = init_muxer(s, options))
return ret;
if (s->oformat->write_header) {
ret = s->oformat->write_header(s);
if (ret < 0)
return ret;
}
if (s->avoid_negative_ts == AVFMT_AVOID_NEG_TS_AUTO) {
if (s->oformat->flags & (AVFMT_TS_NEGATIVE | AVFMT_NOTIMESTAMPS)) {
s->avoid_negative_ts = 0;
} else
s->avoid_negative_ts = AVFMT_AVOID_NEG_TS_MAKE_NON_NEGATIVE;
}
return 0;
}