/**
* Figure out the mimetype
*/
static const char*
tvh_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;
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);
}
/**
* Check if a container supports a given streaming component
*/
static int
lav_muxer_support_stream(muxer_container_type_t mc,
streaming_component_type_t type)
{
int ret = 0;
switch(mc) {
case MC_MATROSKA:
case MC_AVMATROSKA:
ret |= SCT_ISAUDIO(type);
ret |= SCT_ISVIDEO(type);
ret |= SCT_ISSUBTITLE(type);
break;
case MC_WEBM:
case MC_AVWEBM:
ret |= type == SCT_VP8;
ret |= type == SCT_VORBIS;
break;
case MC_MPEGTS:
ret |= (type == SCT_MPEG2VIDEO);
ret |= (type == SCT_H264);
ret |= (type == SCT_HEVC);
ret |= (type == SCT_MPEG2AUDIO);
ret |= (type == SCT_AC3);
ret |= (type == SCT_AAC);
ret |= (type == SCT_MP4A);
ret |= (type == SCT_EAC3);
//Some pids lack pts, disable for now
//ret |= (type == SCT_TELETEXT);
ret |= (type == SCT_DVBSUB);
break;
case MC_MPEGPS:
ret |= (type == SCT_MPEG2VIDEO);
ret |= (type == SCT_MPEG2AUDIO);
ret |= (type == SCT_AC3);
break;
case MC_AVMP4:
ret |= (type == SCT_MPEG2VIDEO);
ret |= (type == SCT_H264);
ret |= (type == SCT_HEVC);
ret |= (type == SCT_MPEG2AUDIO);
ret |= (type == SCT_AC3);
ret |= (type == SCT_AAC);
ret |= (type == SCT_MP4A);
ret |= (type == SCT_EAC3);
break;
default:
break;
}
return ret;
}
/**
* Figure out the mime-type for the muxed data stream
*/
static const char*
pass_muxer_mime(muxer_t* m, const struct streaming_start *ss)
{
int i;
int has_audio;
int has_video;
muxer_container_type_t mc;
const streaming_start_component_t *ssc;
const source_info_t *si = &ss->ss_si;
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;
has_video |= SCT_ISVIDEO(ssc->ssc_type);
has_audio |= SCT_ISAUDIO(ssc->ssc_type);
}
if(si->si_type == S_MPEG_TS)
mc = MC_MPEGTS;
else if(si->si_type == S_MPEG_PS)
mc = MC_MPEGPS;
else
mc = MC_UNKNOWN;
if(has_video)
return muxer_container_type2mime(mc, 1);
else if(has_audio)
return muxer_container_type2mime(mc, 0);
else
return muxer_container_type2mime(MC_UNKNOWN, 0);
}
static void
normalize_ts(tsfix_t *tf, tfstream_t *tfs, th_pkt_t *pkt)
{
int64_t dts, d;
int checkts = SCT_ISAUDIO(tfs->tfs_type) || SCT_ISVIDEO(tfs->tfs_type);
if(tf->tf_tsref == PTS_UNSET) {
pkt_ref_dec(pkt);
return;
}
pkt->pkt_dts &= PTS_MASK;
pkt->pkt_pts &= PTS_MASK;
/* Subtract the transport wide start offset */
dts = pkt->pkt_dts - tf->tf_tsref;
if(tfs->tfs_last_dts_norm == PTS_UNSET) {
if(dts < 0) {
/* Early packet with negative time stamp, drop those */
pkt_ref_dec(pkt);
return;
}
} else if(checkts) {
d = dts + tfs->tfs_dts_epoch - tfs->tfs_last_dts_norm;
if(d < 0 || d > 90000) {
if(d < -PTS_MASK || d > -PTS_MASK + 180000) {
tfs->tfs_bad_dts++;
if(tfs->tfs_bad_dts < 5) {
tvhlog(LOG_ERR, "parser",
"transport stream %s, DTS discontinuity. "
"DTS = %" PRId64 ", last = %" PRId64,
streaming_component_type2txt(tfs->tfs_type),
dts, tfs->tfs_last_dts_norm);
}
} else {
/* DTS wrapped, increase upper bits */
tfs->tfs_dts_epoch += PTS_MASK + 1;
tfs->tfs_bad_dts = 0;
}
} else {
tfs->tfs_bad_dts = 0;
}
}
dts += tfs->tfs_dts_epoch;
tfs->tfs_last_dts_norm = dts;
if(pkt->pkt_pts != PTS_UNSET) {
/* Compute delta between PTS and DTS (and watch out for 33 bit wrap) */
int64_t ptsoff = (pkt->pkt_pts - pkt->pkt_dts) & PTS_MASK;
pkt->pkt_pts = dts + ptsoff;
}
pkt->pkt_dts = dts;
tsfixprintf("TSFIX: %-12s %d %10"PRId64" %10"PRId64" %10d %zd\n",
streaming_component_type2txt(tfs->tfs_type),
pkt->pkt_frametype,
pkt->pkt_dts,
pkt->pkt_pts,
pkt->pkt_duration,
pktbuf_len(pkt->pkt_payload));
streaming_message_t *sm = streaming_msg_create_pkt(pkt);
streaming_target_deliver2(tf->tf_output, sm);
pkt_ref_dec(pkt);
}
static int
dvr_rec_start(dvr_entry_t *de, const streaming_start_t *ss)
{
const source_info_t *si = &ss->ss_si;
const streaming_start_component_t *ssc;
int i;
dvr_config_t *cfg = dvr_config_find_by_name_default(de->de_config_name);
de->de_mux = muxer_create(de->de_mc);
if(!de->de_mux) {
dvr_rec_fatal_error(de, "Unable to create muxer");
return -1;
}
if(pvr_generate_filename(de, ss) != 0) {
dvr_rec_fatal_error(de, "Unable to create directories");
return -1;
}
if(muxer_open_file(de->de_mux, de->de_filename)) {
dvr_rec_fatal_error(de, "Unable to open file");
return -1;
}
if(muxer_init(de->de_mux, ss, lang_str_get(de->de_title, NULL))) {
dvr_rec_fatal_error(de, "Unable to init file");
return -1;
}
if(cfg->dvr_flags & DVR_TAG_FILES && de->de_bcast) {
if(muxer_write_meta(de->de_mux, de->de_bcast)) {
dvr_rec_fatal_error(de, "Unable to write meta data");
return -1;
}
}
tvhlog(LOG_INFO, "dvr", "%s from "
"adapter: \"%s\", "
"network: \"%s\", mux: \"%s\", provider: \"%s\", "
"service: \"%s\"",
de->de_filename ?: lang_str_get(de->de_title, NULL),
si->si_adapter ?: "<N/A>",
si->si_network ?: "<N/A>",
si->si_mux ?: "<N/A>",
si->si_provider ?: "<N/A>",
si->si_service ?: "<N/A>");
tvhlog(LOG_INFO, "dvr",
" # %-16s %-4s %-10s %-12s %-11s %-8s",
"type",
"lang",
"resolution",
"aspect ratio",
"sample rate",
"channels");
for(i = 0; i < ss->ss_num_components; i++) {
ssc = &ss->ss_components[i];
char res[11];
char asp[6];
char sr[6];
char ch[7];
if(SCT_ISAUDIO(ssc->ssc_type)) {
if(ssc->ssc_sri)
snprintf(sr, sizeof(sr), "%d", sri_to_rate(ssc->ssc_sri));
else
strcpy(sr, "?");
if(ssc->ssc_channels == 6)
snprintf(ch, sizeof(ch), "5.1");
else if(ssc->ssc_channels == 0)
strcpy(ch, "?");
else
snprintf(ch, sizeof(ch), "%d", ssc->ssc_channels);
} else {
sr[0] = 0;
ch[0] = 0;
}
if(SCT_ISVIDEO(ssc->ssc_type)) {
if(ssc->ssc_width && ssc->ssc_height)
snprintf(res, sizeof(res), "%dx%d",
ssc->ssc_width, ssc->ssc_height);
else
strcpy(res, "?");
} else {
res[0] = 0;
}
if(SCT_ISVIDEO(ssc->ssc_type)) {
if(ssc->ssc_aspect_num && ssc->ssc_aspect_den)
snprintf(asp, sizeof(asp), "%d:%d",
ssc->ssc_aspect_num, ssc->ssc_aspect_den);
else
strcpy(asp, "?");
} else {
asp[0] = 0;
}
tvhlog(LOG_INFO, "dvr",
"%2d %-16s %-4s %-10s %-12s %-11s %-8s %s",
ssc->ssc_index,
streaming_component_type2txt(ssc->ssc_type),
ssc->ssc_lang,
res,
asp,
sr,
ch,
ssc->ssc_disabled ? "<disabled, no valid input>" : "");
}
return 0;
}
/**
* Add a stream to the muxer
*/
static int
lav_muxer_add_stream(lav_muxer_t *lm,
const streaming_start_component_t *ssc)
{
AVStream *st;
AVCodecContext *c;
st = avformat_new_stream(lm->lm_oc, NULL);
if (!st)
return -1;
st->id = ssc->ssc_index;
c = st->codec;
c->codec_id = streaming_component_type2codec_id(ssc->ssc_type);
switch(lm->m_container) {
case MC_MATROSKA:
st->time_base.num = 1000000;
st->time_base.den = 1;
break;
case MC_MPEGPS:
c->rc_buffer_size = 224*1024*8;
//Fall-through
case MC_MPEGTS:
st->time_base.num = 90000;
st->time_base.den = 1;
break;
default:
st->time_base = AV_TIME_BASE_Q;
break;
}
if(ssc->ssc_gh) {
c->extradata_size = pktbuf_len(ssc->ssc_gh);
c->extradata = av_malloc(c->extradata_size);
memcpy(c->extradata, pktbuf_ptr(ssc->ssc_gh),
pktbuf_len(ssc->ssc_gh));
}
if(SCT_ISAUDIO(ssc->ssc_type)) {
c->codec_type = AVMEDIA_TYPE_AUDIO;
c->sample_fmt = AV_SAMPLE_FMT_S16;
c->sample_rate = sri_to_rate(ssc->ssc_sri);
c->channels = ssc->ssc_channels;
c->time_base.num = 1;
c->time_base.den = c->sample_rate;
av_dict_set(&st->metadata, "language", ssc->ssc_lang, 0);
} else if(SCT_ISVIDEO(ssc->ssc_type)) {
c->codec_type = AVMEDIA_TYPE_VIDEO;
c->width = ssc->ssc_width;
c->height = ssc->ssc_height;
c->time_base.num = 1;
c->time_base.den = 25;
c->sample_aspect_ratio.num = ssc->ssc_aspect_num;
c->sample_aspect_ratio.den = ssc->ssc_aspect_den;
st->sample_aspect_ratio.num = c->sample_aspect_ratio.num;
st->sample_aspect_ratio.den = c->sample_aspect_ratio.den;
} else if(SCT_ISSUBTITLE(ssc->ssc_type)) {
c->codec_type = AVMEDIA_TYPE_SUBTITLE;
av_dict_set(&st->metadata, "language", ssc->ssc_lang, 0);
}
if(lm->lm_oc->oformat->flags & AVFMT_GLOBALHEADER)
c->flags |= CODEC_FLAG_GLOBAL_HEADER;
return 0;
}
/**
* Add a stream to the muxer
*/
static int
lav_muxer_add_stream(lav_muxer_t *lm,
const streaming_start_component_t *ssc)
{
AVStream *st;
AVCodecContext *c;
st = avformat_new_stream(lm->lm_oc, NULL);
if (!st)
return -1;
st->id = ssc->ssc_index;
c = st->codec;
c->codec_id = streaming_component_type2codec_id(ssc->ssc_type);
switch(lm->m_config.m_type) {
case MC_MATROSKA:
case MC_AVMATROSKA:
case MC_AVMP4:
st->time_base.num = 1000000;
st->time_base.den = 1;
break;
case MC_MPEGPS:
c->rc_buffer_size = 224*1024*8;
//Fall-through
case MC_MPEGTS:
st->time_base.num = 90000;
st->time_base.den = 1;
break;
default:
st->time_base = AV_TIME_BASE_Q;
break;
}
if(ssc->ssc_gh) {
if (ssc->ssc_type == SCT_H264 || ssc->ssc_type == SCT_HEVC) {
sbuf_t hdr;
sbuf_init(&hdr);
if (ssc->ssc_type == SCT_H264) {
isom_write_avcc(&hdr, pktbuf_ptr(ssc->ssc_gh),
pktbuf_len(ssc->ssc_gh));
} else {
isom_write_hvcc(&hdr, pktbuf_ptr(ssc->ssc_gh),
pktbuf_len(ssc->ssc_gh));
}
c->extradata_size = hdr.sb_ptr;
c->extradata = av_malloc(hdr.sb_ptr);
memcpy(c->extradata, hdr.sb_data, hdr.sb_ptr);
sbuf_free(&hdr);
} else {
c->extradata_size = pktbuf_len(ssc->ssc_gh);
c->extradata = av_malloc(c->extradata_size);
memcpy(c->extradata, pktbuf_ptr(ssc->ssc_gh),
pktbuf_len(ssc->ssc_gh));
}
}
if(SCT_ISAUDIO(ssc->ssc_type)) {
c->codec_type = AVMEDIA_TYPE_AUDIO;
c->sample_fmt = AV_SAMPLE_FMT_S16;
c->sample_rate = sri_to_rate(ssc->ssc_sri);
c->channels = ssc->ssc_channels;
#if 0
c->time_base.num = 1;
c->time_base.den = c->sample_rate;
#else
c->time_base = st->time_base;
#endif
av_dict_set(&st->metadata, "language", ssc->ssc_lang, 0);
} else if(SCT_ISVIDEO(ssc->ssc_type)) {
c->codec_type = AVMEDIA_TYPE_VIDEO;
c->width = ssc->ssc_width;
c->height = ssc->ssc_height;
c->time_base.num = 1;
c->time_base.den = 25;
c->sample_aspect_ratio.num = ssc->ssc_aspect_num;
c->sample_aspect_ratio.den = ssc->ssc_aspect_den;
if (lm->m_config.m_type == MC_AVMP4) {
/* this is a whole hell */
AVRational ratio = { c->height, c->width };
c->sample_aspect_ratio = av_mul_q(c->sample_aspect_ratio, ratio);
}
st->sample_aspect_ratio.num = c->sample_aspect_ratio.num;
st->sample_aspect_ratio.den = c->sample_aspect_ratio.den;
} else if(SCT_ISSUBTITLE(ssc->ssc_type)) {
c->codec_type = AVMEDIA_TYPE_SUBTITLE;
av_dict_set(&st->metadata, "language", ssc->ssc_lang, 0);
}
if(lm->lm_oc->oformat->flags & AVFMT_GLOBALHEADER)
c->flags |= CODEC_FLAG_GLOBAL_HEADER;
return 0;
}
