/**
* Figure out the mime-type for the muxed data stream
*/
static const char*
lav_muxer_mime(muxer_t* m, const struct streaming_start *ss)
{
int i;
int has_audio;
int has_video;
const streaming_start_component_t *ssc;
has_audio = 0;
has_video = 0;
for(i=0; i < ss->ss_num_components; i++) {
ssc = &ss->ss_components[i];
if(ssc->ssc_disabled)
continue;
if(!lav_muxer_support_stream(m->m_container, ssc->ssc_type))
continue;
has_video |= SCT_ISVIDEO(ssc->ssc_type);
has_audio |= SCT_ISAUDIO(ssc->ssc_type);
}
if(has_video)
return muxer_container_type2mime(m->m_container, 1);
else if(has_audio)
return muxer_container_type2mime(m->m_container, 0);
else
return muxer_container_type2mime(MC_UNKNOWN, 0);
}
/**
* Init the muxer with streams
*/
static int
lav_muxer_init(muxer_t* m, const struct streaming_start *ss, const char *name)
{
int i;
const streaming_start_component_t *ssc;
AVFormatContext *oc;
lav_muxer_t *lm = (lav_muxer_t*)m;
char app[128];
snprintf(app, sizeof(app), "Tvheadend %s", tvheadend_version);
oc = lm->lm_oc;
av_dict_set(&oc->metadata, "title", name, 0);
av_dict_set(&oc->metadata, "service_name", name, 0);
av_dict_set(&oc->metadata, "service_provider", app, 0);
if(lm->m_container == MC_MPEGTS)
lm->lm_h264_filter = av_bitstream_filter_init("h264_mp4toannexb");
oc->max_delay = 0.7 * AV_TIME_BASE;
for(i=0; i < ss->ss_num_components; i++) {
ssc = &ss->ss_components[i];
if(ssc->ssc_disabled)
continue;
if(!lav_muxer_support_stream(lm->m_container, ssc->ssc_type)) {
tvhlog(LOG_WARNING, "libav", "%s is not supported in %s",
streaming_component_type2txt(ssc->ssc_type),
muxer_container_type2txt(lm->m_container));
continue;
}
if(lav_muxer_add_stream(lm, ssc)) {
tvhlog(LOG_ERR, "libav", "Failed to add %s stream",
streaming_component_type2txt(ssc->ssc_type));
continue;
}
}
if(!lm->lm_oc->nb_streams) {
tvhlog(LOG_ERR, "libav", "No supported streams available");
lm->m_errors++;
return -1;
} else if(avformat_write_header(lm->lm_oc, NULL) < 0) {
tvhlog(LOG_ERR, "libav", "Failed to write %s header",
muxer_container_type2txt(lm->m_container));
lm->m_errors++;
return -1;
}
lm->lm_init = 1;
return 0;
}
/**
* Init the muxer with streams
*/
static int
lav_muxer_init(muxer_t* m, struct streaming_start *ss, const char *name)
{
int i;
streaming_start_component_t *ssc;
AVFormatContext *oc;
AVDictionary *opts = NULL;
lav_muxer_t *lm = (lav_muxer_t*)m;
char app[128];
snprintf(app, sizeof(app), "Tvheadend %s", tvheadend_version);
oc = lm->lm_oc;
av_dict_set(&oc->metadata, "title", name, 0);
av_dict_set(&oc->metadata, "service_name", name, 0);
av_dict_set(&oc->metadata, "service_provider", app, 0);
if(lm->m_config.m_type == MC_MPEGTS) {
lm->lm_h264_filter = av_bitstream_filter_init("h264_mp4toannexb");
lm->lm_hevc_filter = av_bitstream_filter_init("hevc_mp4toannexb");
}
oc->max_delay = 0.7 * AV_TIME_BASE;
for(i=0; i < ss->ss_num_components; i++) {
ssc = &ss->ss_components[i];
if(ssc->ssc_disabled)
continue;
if(!lav_muxer_support_stream(lm->m_config.m_type, ssc->ssc_type)) {
tvhwarn(LS_LIBAV, "%s is not supported in %s",
streaming_component_type2txt(ssc->ssc_type),
muxer_container_type2txt(lm->m_config.m_type));
ssc->ssc_muxer_disabled = 1;
continue;
}
if(lav_muxer_add_stream(lm, ssc)) {
tvherror(LS_LIBAV, "Failed to add %s stream",
streaming_component_type2txt(ssc->ssc_type));
ssc->ssc_muxer_disabled = 1;
continue;
}
}
if(lm->m_config.m_type == MC_AVMP4) {
av_dict_set(&opts, "frag_duration", "1", 0);
av_dict_set(&opts, "ism_lookahead", "0", 0);
}
if(!lm->lm_oc->nb_streams) {
tvherror(LS_LIBAV, "No supported streams available");
lm->m_errors++;
return -1;
} else if(avformat_write_header(lm->lm_oc, &opts) < 0) {
tvherror(LS_LIBAV, "Failed to write %s header",
muxer_container_type2txt(lm->m_config.m_type));
lm->m_errors++;
return -1;
}
if (opts)
av_dict_free(&opts);
lm->lm_init = 1;
return 0;
}
