/*
- * MPEG2 transport stream (aka DVB) demuxer
+ * MPEG-2 transport stream (aka DVB) demuxer
* Copyright (c) 2002-2003 Fabrice Bellard
*
* This file is part of Libav.
#include "libavutil/opt.h"
#include "libavcodec/bytestream.h"
#include "libavcodec/get_bits.h"
+#include "libavcodec/opus.h"
#include "avformat.h"
#include "mpegts.h"
#include "internal.h"
#include "avio_internal.h"
-#include "seek.h"
#include "mpeg.h"
#include "isom.h"
-/* maximum size in which we look for synchronisation if
- * synchronisation is lost */
+/* maximum size in which we look for synchronization if
+ * synchronization is lost */
#define MAX_RESYNC_SIZE 65536
#define MAX_PES_PAYLOAD 200 * 1024
typedef struct MpegTSSectionFilter {
int section_index;
int section_h_size;
+ int last_ver;
uint8_t *section_buf;
unsigned int check_crc : 1;
unsigned int end_of_section_reached : 1;
/** to detect seek */
int64_t last_pos;
+ int resync_size;
+
/******************************************/
/* private mpegts data */
/* scan context */
MpegTSFilter *pids[NB_PID_MAX];
};
+#define MPEGTS_OPTIONS \
+ { "resync_size", "Size limit for looking up a new synchronization.", offsetof(MpegTSContext, resync_size), AV_OPT_TYPE_INT, { .i64 = MAX_RESYNC_SIZE}, 0, INT_MAX, AV_OPT_FLAG_DECODING_PARAM }
+
static const AVOption options[] = {
+ MPEGTS_OPTIONS,
+ { NULL },
+};
+
+static const AVClass mpegts_class = {
+ .class_name = "mpegts demuxer",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+static const AVOption raw_options[] = {
+ MPEGTS_OPTIONS,
{ "compute_pcr", "Compute exact PCR for each transport stream packet.",
offsetof(MpegTSContext, mpeg2ts_compute_pcr), AV_OPT_TYPE_INT,
{ .i64 = 0 }, 0, 1, AV_OPT_FLAG_DECODING_PARAM },
static const AVClass mpegtsraw_class = {
.class_name = "mpegtsraw demuxer",
.item_name = av_default_item_name,
- .option = options,
+ .option = raw_options,
.version = LIBAVUTIL_VERSION_INT,
};
* Assemble PES packets out of TS packets, and then call the "section_cb"
* function when they are complete.
*/
-static void write_section_data(AVFormatContext *s, MpegTSFilter *tss1,
+static void write_section_data(MpegTSContext *ts, MpegTSFilter *tss1,
const uint8_t *buf, int buf_size, int is_start)
{
MpegTSSectionFilter *tss = &tss1->u.section_filter;
MpegTSFilter *filter;
MpegTSSectionFilter *sec;
- av_dlog(ts->stream, "Filter: pid=0x%x\n", pid);
+ av_log(ts->stream, AV_LOG_TRACE, "Filter: pid=0x%x\n", pid);
if (pid >= NB_PID_MAX || ts->pids[pid])
return NULL;
sec->opaque = opaque;
sec->section_buf = av_malloc(MAX_SECTION_SIZE);
sec->check_crc = check_crc;
+ sec->last_ver = -1;
+
if (!sec->section_buf) {
av_free(filter);
return NULL;
ts->pids[pid] = NULL;
}
-static int analyze(const uint8_t *buf, int size, int packet_size, int *index)
+static int analyze(const uint8_t *buf, int size, int packet_size, int *index,
+ int probe)
{
int stat[TS_MAX_PACKET_SIZE];
int i;
memset(stat, 0, packet_size * sizeof(int));
for (x = i = 0; i < size - 3; i++) {
- if (buf[i] == 0x47 && !(buf[i + 1] & 0x80) && (buf[i + 3] & 0x30)) {
+ if (buf[i] == 0x47 &&
+ (!probe || (!(buf[i + 1] & 0x80) && (buf[i + 3] & 0x30)))) {
stat[x]++;
if (stat[x] > best_score) {
best_score = stat[x];
int score, fec_score, dvhs_score;
if (size < (TS_FEC_PACKET_SIZE * 5 + 1))
- return -1;
+ return AVERROR_INVALIDDATA;
- score = analyze(buf, size, TS_PACKET_SIZE, NULL);
- dvhs_score = analyze(buf, size, TS_DVHS_PACKET_SIZE, NULL);
- fec_score = analyze(buf, size, TS_FEC_PACKET_SIZE, NULL);
- av_dlog(NULL, "score: %d, dvhs_score: %d, fec_score: %d \n",
+ score = analyze(buf, size, TS_PACKET_SIZE, NULL, 0);
+ dvhs_score = analyze(buf, size, TS_DVHS_PACKET_SIZE, NULL, 0);
+ fec_score = analyze(buf, size, TS_FEC_PACKET_SIZE, NULL, 0);
+ av_log(NULL, AV_LOG_TRACE, "score: %d, dvhs_score: %d, fec_score: %d \n",
score, dvhs_score, fec_score);
if (score > fec_score && score > dvhs_score)
else if (score < fec_score && dvhs_score < fec_score)
return TS_FEC_PACKET_SIZE;
else
- return -1;
+ return AVERROR_INVALIDDATA;
}
typedef struct SectionHeader {
p = *pp;
if (p >= p_end)
- return -1;
+ return AVERROR_INVALIDDATA;
c = *p++;
*pp = p;
return c;
p = *pp;
if ((p + 1) >= p_end)
- return -1;
+ return AVERROR_INVALIDDATA;
c = AV_RB16(p);
p += 2;
*pp = p;
val = get8(pp, p_end);
if (val < 0)
- return -1;
+ return val;
h->tid = val;
*pp += 2;
val = get16(pp, p_end);
if (val < 0)
- return -1;
+ return val;
h->id = val;
val = get8(pp, p_end);
if (val < 0)
- return -1;
+ return val;
h->version = (val >> 1) & 0x1f;
val = get8(pp, p_end);
if (val < 0)
- return -1;
+ return val;
h->sec_num = val;
val = get8(pp, p_end);
if (val < 0)
- return -1;
+ return val;
h->last_sec_num = val;
return 0;
}
-typedef struct {
+typedef struct StreamType {
uint32_t stream_type;
enum AVMediaType codec_type;
enum AVCodecID codec_id;
{ 0x10, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_MPEG4 },
{ 0x11, AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_AAC_LATM }, /* LATM syntax */
{ 0x1b, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_H264 },
+ { 0x21, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_JPEG2000 },
{ 0x24, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_HEVC },
{ 0x42, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_CAVS },
{ 0xd1, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_DIRAC },
{ MKTAG('D', 'T', 'S', '3'), AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_DTS },
{ MKTAG('H', 'E', 'V', 'C'), AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_HEVC },
{ MKTAG('V', 'C', '-', '1'), AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_VC1 },
+ { MKTAG('O', 'p', 'u', 's'), AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_OPUS },
{ 0 },
};
{
for (; types->stream_type; types++)
if (stream_type == types->stream_type) {
- st->codec->codec_type = types->codec_type;
- st->codec->codec_id = types->codec_id;
+ st->codecpar->codec_type = types->codec_type;
+ st->codecpar->codec_id = types->codec_id;
return;
}
}
{
avpriv_set_pts_info(st, 33, 1, 90000);
st->priv_data = pes;
- st->codec->codec_type = AVMEDIA_TYPE_DATA;
- st->codec->codec_id = AV_CODEC_ID_NONE;
+ st->codecpar->codec_type = AVMEDIA_TYPE_DATA;
+ st->codecpar->codec_id = AV_CODEC_ID_NONE;
st->need_parsing = AVSTREAM_PARSE_FULL;
pes->st = st;
pes->stream_type = stream_type;
"stream=%d stream_type=%x pid=%x prog_reg_desc=%.4s\n",
st->index, pes->stream_type, pes->pid, (char *)&prog_reg_desc);
- st->codec->codec_tag = pes->stream_type;
+ st->codecpar->codec_tag = pes->stream_type;
mpegts_find_stream_type(st, pes->stream_type, ISO_types);
if (prog_reg_desc == AV_RL32("HDMV") &&
- st->codec->codec_id == AV_CODEC_ID_NONE) {
+ st->codecpar->codec_id == AV_CODEC_ID_NONE) {
mpegts_find_stream_type(st, pes->stream_type, HDMV_types);
if (pes->stream_type == 0x83) {
// HDMV TrueHD streams also contain an AC3 coded version of the
sub_st->id = pes->pid;
avpriv_set_pts_info(sub_st, 33, 1, 90000);
sub_st->priv_data = sub_pes;
- sub_st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
- sub_st->codec->codec_id = AV_CODEC_ID_AC3;
+ sub_st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
+ sub_st->codecpar->codec_id = AV_CODEC_ID_AC3;
sub_st->need_parsing = AVSTREAM_PARSE_FULL;
sub_pes->sub_st = pes->sub_st = sub_st;
}
}
- if (st->codec->codec_id == AV_CODEC_ID_NONE)
+ if (st->codecpar->codec_id == AV_CODEC_ID_NONE)
mpegts_find_stream_type(st, pes->stream_type, MISC_types);
return 0;
av_log(pes->stream, AV_LOG_WARNING, "PES packet size mismatch\n");
pes->flags |= AV_PKT_FLAG_CORRUPT;
}
- memset(pkt->data + pkt->size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+ memset(pkt->data + pkt->size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
// Separate out the AC3 substream from an HDMV combined TrueHD/AC3 PID
if (pes->sub_st && pes->stream_type == 0x83 && pes->extended_stream_id == 0x76)
* decide */
if (pes->header[0] == 0x00 && pes->header[1] == 0x00 &&
pes->header[2] == 0x01) {
- /* it must be an mpeg2 PES stream */
+ /* it must be an MPEG-2 PES stream */
code = pes->header[3] | 0x100;
- av_dlog(pes->stream, "pid=%x pes_code=%#x\n", pes->pid,
+ av_log(pes->stream, AV_LOG_TRACE, "pid=%x pes_code=%#x\n", pes->pid,
code);
if ((pes->st && pes->st->discard == AVDISCARD_ALL &&
/* allocate pes buffer */
pes->buffer = av_buffer_alloc(pes->total_size +
- FF_INPUT_BUFFER_PADDING_SIZE);
+ AV_INPUT_BUFFER_PADDING_SIZE);
if (!pes->buffer)
return AVERROR(ENOMEM);
code != 0x1ff && code != 0x1f2 && /* program_stream_directory, DSMCC_stream */
code != 0x1f8) { /* ITU-T Rec. H.222.1 type E stream */
pes->state = MPEGTS_PESHEADER;
- if (pes->st->codec->codec_id == AV_CODEC_ID_NONE) {
- av_dlog(pes->stream,
+ if (pes->st->codecpar->codec_id == AV_CODEC_ID_NONE) {
+ av_log(pes->stream, AV_LOG_TRACE,
"pid=%x stream_type=%x probing\n",
pes->pid,
pes->stream_type);
- pes->st->codec->codec_id = AV_CODEC_ID_PROBE;
+ pes->st->codecpar->codec_id = AV_CODEC_ID_PROBE;
}
} else {
pes->state = MPEGTS_PAYLOAD;
case MPEGTS_PESHEADER:
len = PES_HEADER_SIZE - pes->data_index;
if (len < 0)
- return -1;
+ return AVERROR_INVALIDDATA;
if (len > buf_size)
len = buf_size;
memcpy(pes->header + pes->data_index, p, len);
case MPEGTS_PESHEADER_FILL:
len = pes->pes_header_size - pes->data_index;
if (len < 0)
- return -1;
+ return AVERROR_INVALIDDATA;
if (len > buf_size)
len = buf_size;
memcpy(pes->header + pes->data_index, p, len);
new_pes_packet(pes, ts->pkt);
pes->total_size = MAX_PES_PAYLOAD;
pes->buffer = av_buffer_alloc(pes->total_size +
- FF_INPUT_BUFFER_PADDING_SIZE);
+ AV_INPUT_BUFFER_PADDING_SIZE);
if (!pes->buffer)
return AVERROR(ENOMEM);
ts->stop_parse = 1;
}
#define MAX_LEVEL 4
-typedef struct {
+typedef struct MP4DescrParseContext {
AVFormatContext *s;
AVIOContext pb;
Mp4Descr *descr;
static int parse_mp4_descr_arr(MP4DescrParseContext *d, int64_t off, int len)
{
while (len > 0) {
- if (parse_mp4_descr(d, off, len, 0) < 0)
- return -1;
+ int ret = parse_mp4_descr(d, off, len, 0);
+ if (ret < 0)
+ return ret;
update_offsets(&d->pb, &off, &len);
}
return 0;
static int parse_MP4ESDescrTag(MP4DescrParseContext *d, int64_t off, int len)
{
int es_id = 0;
+ int ret = 0;
+
if (d->descr_count >= d->max_descr_count)
- return -1;
+ return AVERROR_INVALIDDATA;
ff_mp4_parse_es_descr(&d->pb, &es_id);
d->active_descr = d->descr + (d->descr_count++);
d->active_descr->es_id = es_id;
update_offsets(&d->pb, &off, &len);
- parse_mp4_descr(d, off, len, MP4DecConfigDescrTag);
+ if ((ret = parse_mp4_descr(d, off, len, MP4DecConfigDescrTag)) < 0)
+ return ret;
update_offsets(&d->pb, &off, &len);
if (len > 0)
- parse_mp4_descr(d, off, len, MP4SLDescrTag);
+ ret = parse_mp4_descr(d, off, len, MP4SLDescrTag);
d->active_descr = NULL;
- return 0;
+ return ret;
}
static int parse_MP4DecConfigDescrTag(MP4DescrParseContext *d, int64_t off,
{
Mp4Descr *descr = d->active_descr;
if (!descr)
- return -1;
+ return AVERROR_INVALIDDATA;
d->active_descr->dec_config_descr = av_malloc(len);
if (!descr->dec_config_descr)
return AVERROR(ENOMEM);
Mp4Descr *descr = d->active_descr;
int predefined;
if (!descr)
- return -1;
+ return AVERROR_INVALIDDATA;
predefined = avio_r8(&d->pb);
if (!predefined) {
descr->sl.degr_prior_len = lengths >> 12;
descr->sl.au_seq_num_len = (lengths >> 7) & 0x1f;
descr->sl.packet_seq_num_len = (lengths >> 2) & 0x1f;
+ if (descr->sl.timestamp_len >= 64 ||
+ descr->sl.ocr_len >= 64 ||
+ descr->sl.au_len >= 32) {
+ return AVERROR_INVALIDDATA;
+ }
} else {
avpriv_report_missing_feature(d->s, "Predefined SLConfigDescriptor");
}
{
int tag;
int len1 = ff_mp4_read_descr(d->s, &d->pb, &tag);
+ int ret = 0;
+
update_offsets(&d->pb, &off, &len);
if (len < 0 || len1 > len || len1 <= 0) {
av_log(d->s, AV_LOG_ERROR,
"Tag %x length violation new length %d bytes remaining %d\n",
tag, len1, len);
- return -1;
+ return AVERROR_INVALIDDATA;
}
if (d->level++ >= MAX_LEVEL) {
av_log(d->s, AV_LOG_ERROR, "Maximum MP4 descriptor level exceeded\n");
+ ret = AVERROR_INVALIDDATA;
goto done;
}
if (target_tag && tag != target_tag) {
av_log(d->s, AV_LOG_ERROR, "Found tag %x expected %x\n", tag,
target_tag);
+ ret = AVERROR_INVALIDDATA;
goto done;
}
switch (tag) {
case MP4IODescrTag:
- parse_MP4IODescrTag(d, off, len1);
+ ret = parse_MP4IODescrTag(d, off, len1);
break;
case MP4ODescrTag:
- parse_MP4ODescrTag(d, off, len1);
+ ret = parse_MP4ODescrTag(d, off, len1);
break;
case MP4ESDescrTag:
- parse_MP4ESDescrTag(d, off, len1);
+ ret = parse_MP4ESDescrTag(d, off, len1);
break;
case MP4DecConfigDescrTag:
- parse_MP4DecConfigDescrTag(d, off, len1);
+ ret = parse_MP4DecConfigDescrTag(d, off, len1);
break;
case MP4SLDescrTag:
- parse_MP4SLDescrTag(d, off, len1);
+ ret = parse_MP4SLDescrTag(d, off, len1);
break;
}
+
done:
d->level--;
avio_seek(&d->pb, off + len1, SEEK_SET);
- return 0;
+ return ret;
}
static int mp4_read_iods(AVFormatContext *s, const uint8_t *buf, unsigned size,
Mp4Descr *descr, int *descr_count, int max_descr_count)
{
MP4DescrParseContext d;
- if (init_MP4DescrParseContext(&d, s, buf, size, descr, max_descr_count) < 0)
- return -1;
+ int ret;
- parse_mp4_descr(&d, avio_tell(&d.pb), size, MP4IODescrTag);
+ ret = init_MP4DescrParseContext(&d, s, buf, size, descr, max_descr_count);
+ if (ret < 0)
+ return ret;
+
+ ret = parse_mp4_descr(&d, avio_tell(&d.pb), size, MP4IODescrTag);
*descr_count = d.descr_count;
- return 0;
+ return ret;
}
static int mp4_read_od(AVFormatContext *s, const uint8_t *buf, unsigned size,
Mp4Descr *descr, int *descr_count, int max_descr_count)
{
MP4DescrParseContext d;
- if (init_MP4DescrParseContext(&d, s, buf, size, descr, max_descr_count) < 0)
- return -1;
+ int ret;
+
+ ret = init_MP4DescrParseContext(&d, s, buf, size, descr, max_descr_count);
+ if (ret < 0)
+ return ret;
- parse_mp4_descr_arr(&d, avio_tell(&d.pb), size);
+ ret = parse_mp4_descr_arr(&d, avio_tell(&d.pb), size);
*descr_count = d.descr_count;
- return 0;
+ return ret;
}
static void m4sl_cb(MpegTSFilter *filter, const uint8_t *section,
int section_len)
{
MpegTSContext *ts = filter->u.section_filter.opaque;
+ MpegTSSectionFilter *tssf = &filter->u.section_filter;
SectionHeader h;
const uint8_t *p, *p_end;
AVIOContext pb;
return;
if (h.tid != M4OD_TID)
return;
+ if (h.version == tssf->last_ver)
+ return;
+ tssf->last_ver = h.version;
mp4_read_od(s, p, (unsigned) (p_end - p), mp4_descr, &mp4_descr_count,
MAX_MP4_DESCR_COUNT);
mp4_descr[i].dec_config_descr_len, 0,
NULL, NULL, NULL, NULL);
ff_mp4_read_dec_config_descr(s, st, &pb);
- if (st->codec->codec_id == AV_CODEC_ID_AAC &&
- st->codec->extradata_size > 0)
+ if (st->codecpar->codec_id == AV_CODEC_ID_AAC &&
+ st->codecpar->extradata_size > 0)
st->need_parsing = 0;
- if (st->codec->codec_id == AV_CODEC_ID_H264 &&
- st->codec->extradata_size > 0)
+ if (st->codecpar->codec_id == AV_CODEC_ID_H264 &&
+ st->codecpar->extradata_size > 0)
st->need_parsing = 0;
- if (st->codec->codec_id <= AV_CODEC_ID_NONE) {
- // do nothing
- } else if (st->codec->codec_id < AV_CODEC_ID_FIRST_AUDIO)
- st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
- else if (st->codec->codec_id < AV_CODEC_ID_FIRST_SUBTITLE)
- st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
- else if (st->codec->codec_id < AV_CODEC_ID_FIRST_UNKNOWN)
- st->codec->codec_type = AVMEDIA_TYPE_SUBTITLE;
+ st->codecpar->codec_type = avcodec_get_type(st->codecpar->codec_id);
}
}
for (i = 0; i < mp4_descr_count; i++)
av_free(mp4_descr[i].dec_config_descr);
}
+static const uint8_t opus_coupled_stream_cnt[9] = {
+ 1, 0, 1, 1, 2, 2, 2, 3, 3
+};
+
+static const uint8_t opus_stream_cnt[9] = {
+ 1, 1, 1, 2, 2, 3, 4, 4, 5,
+};
+
+static const uint8_t opus_channel_map[8][8] = {
+ { 0 },
+ { 0,1 },
+ { 0,2,1 },
+ { 0,1,2,3 },
+ { 0,4,1,2,3 },
+ { 0,4,1,2,3,5 },
+ { 0,4,1,2,3,5,6 },
+ { 0,6,1,2,3,4,5,7 },
+};
+
int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type,
const uint8_t **pp, const uint8_t *desc_list_end,
Mp4Descr *mp4_descr, int mp4_descr_count, int pid,
MpegTSContext *ts)
{
const uint8_t *desc_end;
- int desc_len, desc_tag, desc_es_id;
+ int desc_len, desc_tag, desc_es_id, ext_desc_tag, channels, channel_config_code;
char language[252];
int i;
desc_tag = get8(pp, desc_list_end);
if (desc_tag < 0)
- return -1;
+ return AVERROR_INVALIDDATA;
desc_len = get8(pp, desc_list_end);
if (desc_len < 0)
- return -1;
+ return AVERROR_INVALIDDATA;
desc_end = *pp + desc_len;
if (desc_end > desc_list_end)
- return -1;
+ return AVERROR_INVALIDDATA;
- av_dlog(fc, "tag: 0x%02x len=%d\n", desc_tag, desc_len);
+ av_log(fc, AV_LOG_TRACE, "tag: 0x%02x len=%d\n", desc_tag, desc_len);
- if (st->codec->codec_id == AV_CODEC_ID_NONE &&
+ if (st->codecpar->codec_id == AV_CODEC_ID_NONE &&
stream_type == STREAM_TYPE_PRIVATE_DATA)
mpegts_find_stream_type(st, desc_tag, DESC_types);
switch (desc_tag) {
case 0x1E: /* SL descriptor */
desc_es_id = get16(pp, desc_end);
+ if (desc_es_id < 0)
+ break;
if (ts && ts->pids[pid])
ts->pids[pid]->es_id = desc_es_id;
for (i = 0; i < mp4_descr_count; i++)
mp4_descr[i].dec_config_descr_len, 0,
NULL, NULL, NULL, NULL);
ff_mp4_read_dec_config_descr(fc, st, &pb);
- if (st->codec->codec_id == AV_CODEC_ID_AAC &&
- st->codec->extradata_size > 0)
+ if (st->codecpar->codec_id == AV_CODEC_ID_AAC &&
+ st->codecpar->extradata_size > 0)
st->need_parsing = 0;
- if (st->codec->codec_id == AV_CODEC_ID_MPEG4SYSTEMS)
+ if (st->codecpar->codec_id == AV_CODEC_ID_MPEG4SYSTEMS)
mpegts_open_section_filter(ts, pid, m4sl_cb, ts, 1);
}
break;
case 0x1F: /* FMC descriptor */
- get16(pp, desc_end);
+ if (get16(pp, desc_end) < 0)
+ break;
if (mp4_descr_count > 0 &&
- st->codec->codec_id == AV_CODEC_ID_AAC_LATM &&
+ st->codecpar->codec_id == AV_CODEC_ID_AAC_LATM &&
mp4_descr->dec_config_descr_len && mp4_descr->es_id == pid) {
AVIOContext pb;
ffio_init_context(&pb, mp4_descr->dec_config_descr,
mp4_descr->dec_config_descr_len, 0,
NULL, NULL, NULL, NULL);
ff_mp4_read_dec_config_descr(fc, st, &pb);
- if (st->codec->codec_id == AV_CODEC_ID_AAC &&
- st->codec->extradata_size > 0)
+ if (st->codecpar->codec_id == AV_CODEC_ID_AAC &&
+ st->codecpar->extradata_size > 0)
st->need_parsing = 0;
}
break;
st->disposition |= AV_DISPOSITION_HEARING_IMPAIRED;
break;
}
- if (st->codec->extradata) {
- if (st->codec->extradata_size == 4 &&
- memcmp(st->codec->extradata, *pp, 4))
+ if (st->codecpar->extradata) {
+ if (st->codecpar->extradata_size == 4 &&
+ memcmp(st->codecpar->extradata, *pp, 4))
avpriv_request_sample(fc, "DVB sub with multiple IDs");
} else {
- st->codec->extradata = av_malloc(4 + FF_INPUT_BUFFER_PADDING_SIZE);
- if (st->codec->extradata) {
- st->codec->extradata_size = 4;
- memcpy(st->codec->extradata, *pp, 4);
+ st->codecpar->extradata = av_malloc(4 + AV_INPUT_BUFFER_PADDING_SIZE);
+ if (st->codecpar->extradata) {
+ st->codecpar->extradata_size = 4;
+ memcpy(st->codecpar->extradata, *pp, 4);
}
}
*pp += 4;
break;
}
}
- if (i) {
+ if (i && language[0]) {
language[i - 1] = 0;
av_dict_set(&st->metadata, "language", language, 0);
}
break;
case 0x05: /* registration descriptor */
- st->codec->codec_tag = bytestream_get_le32(pp);
- av_dlog(fc, "reg_desc=%.4s\n", (char *)&st->codec->codec_tag);
- if (st->codec->codec_id == AV_CODEC_ID_NONE)
- mpegts_find_stream_type(st, st->codec->codec_tag, REGD_types);
+ st->codecpar->codec_tag = bytestream_get_le32(pp);
+ av_log(fc, AV_LOG_TRACE, "reg_desc=%.4s\n", (char *)&st->codecpar->codec_tag);
+ if (st->codecpar->codec_id == AV_CODEC_ID_NONE)
+ mpegts_find_stream_type(st, st->codecpar->codec_tag, REGD_types);
+ break;
+ case 0x7f: /* DVB extension descriptor */
+ ext_desc_tag = get8(pp, desc_end);
+ if (ext_desc_tag < 0)
+ return AVERROR_INVALIDDATA;
+ if (st->codecpar->codec_id == AV_CODEC_ID_OPUS &&
+ ext_desc_tag == 0x80) { /* User defined (provisional Opus) */
+ if (!st->codecpar->extradata) {
+ st->codecpar->extradata = av_mallocz(sizeof(opus_default_extradata) +
+ AV_INPUT_BUFFER_PADDING_SIZE);
+ if (!st->codecpar->extradata)
+ return AVERROR(ENOMEM);
+
+ st->codecpar->extradata_size = sizeof(opus_default_extradata);
+ memcpy(st->codecpar->extradata, opus_default_extradata, sizeof(opus_default_extradata));
+
+ channel_config_code = get8(pp, desc_end);
+ if (channel_config_code < 0)
+ return AVERROR_INVALIDDATA;
+ if (channel_config_code <= 0x8) {
+ st->codecpar->extradata[9] = channels = channel_config_code ? channel_config_code : 2;
+ st->codecpar->extradata[18] = channel_config_code ? (channels > 2) : 255;
+ st->codecpar->extradata[19] = opus_stream_cnt[channel_config_code];
+ st->codecpar->extradata[20] = opus_coupled_stream_cnt[channel_config_code];
+ memcpy(&st->codecpar->extradata[21], opus_channel_map[channels - 1], channels);
+ } else {
+ avpriv_request_sample(fc, "Opus in MPEG-TS - channel_config_code > 0x8");
+ }
+ st->need_parsing = AVSTREAM_PARSE_FULL;
+ }
+ }
break;
default:
break;
static void pmt_cb(MpegTSFilter *filter, const uint8_t *section, int section_len)
{
MpegTSContext *ts = filter->u.section_filter.opaque;
+ MpegTSSectionFilter *tssf = &filter->u.section_filter;
SectionHeader h1, *h = &h1;
PESContext *pes;
AVStream *st;
Mp4Descr mp4_descr[MAX_MP4_DESCR_COUNT] = { { 0 } };
int i;
- av_dlog(ts->stream, "PMT: len %i\n", section_len);
+ av_log(ts->stream, AV_LOG_TRACE, "PMT: len %i\n", section_len);
hex_dump_debug(ts->stream, section, section_len);
p_end = section + section_len - 4;
p = section;
if (parse_section_header(h, &p, p_end) < 0)
return;
+ if (h->version == tssf->last_ver)
+ return;
+ tssf->last_ver = h->version;
- av_dlog(ts->stream, "sid=0x%x sec_num=%d/%d\n",
+ av_log(ts->stream, AV_LOG_TRACE, "sid=0x%x sec_num=%d/%d\n",
h->id, h->sec_num, h->last_sec_num);
if (h->tid != PMT_TID)
pcr_pid &= 0x1fff;
add_pid_to_pmt(ts, h->id, pcr_pid);
- av_dlog(ts->stream, "pcr_pid=0x%x\n", pcr_pid);
+ av_log(ts->stream, AV_LOG_TRACE, "pcr_pid=0x%x\n", pcr_pid);
program_info_length = get16(&p, p_end);
if (program_info_length < 0)
tag = get8(&p, p_end);
len = get8(&p, p_end);
- av_dlog(ts->stream, "program tag: 0x%02x len=%d\n", tag, len);
+ av_log(ts->stream, AV_LOG_TRACE, "program tag: 0x%02x len=%d\n", tag, len);
if (len > program_info_length - 2)
// something else is broken, exit the program_descriptors_loop
} else {
st = avformat_new_stream(ts->stream, NULL);
st->id = pid;
- st->codec->codec_type = AVMEDIA_TYPE_DATA;
+ st->codecpar->codec_type = AVMEDIA_TYPE_DATA;
}
}
stream_type == 0x83 && pes->sub_st) {
ff_program_add_stream_index(ts->stream, h->id,
pes->sub_st->index);
- pes->sub_st->codec->codec_tag = st->codec->codec_tag;
+ pes->sub_st->codecpar->codec_tag = st->codecpar->codec_tag;
}
}
p = desc_list_end;
static void pat_cb(MpegTSFilter *filter, const uint8_t *section, int section_len)
{
MpegTSContext *ts = filter->u.section_filter.opaque;
+ MpegTSSectionFilter *tssf = &filter->u.section_filter;
SectionHeader h1, *h = &h1;
const uint8_t *p, *p_end;
int sid, pmt_pid;
- av_dlog(ts->stream, "PAT:\n");
+ av_log(ts->stream, AV_LOG_TRACE, "PAT:\n");
hex_dump_debug(ts->stream, section, section_len);
p_end = section + section_len - 4;
return;
if (h->tid != PAT_TID)
return;
+ if (h->version == tssf->last_ver)
+ return;
+ tssf->last_ver = h->version;
clear_programs(ts);
for (;;) {
break;
pmt_pid &= 0x1fff;
- av_dlog(ts->stream, "sid=0x%x pid=0x%x\n", sid, pmt_pid);
+ av_log(ts->stream, AV_LOG_TRACE, "sid=0x%x pid=0x%x\n", sid, pmt_pid);
if (sid == 0x0000) {
/* NIT info */
static void sdt_cb(MpegTSFilter *filter, const uint8_t *section, int section_len)
{
MpegTSContext *ts = filter->u.section_filter.opaque;
+ MpegTSSectionFilter *tssf = &filter->u.section_filter;
SectionHeader h1, *h = &h1;
const uint8_t *p, *p_end, *desc_list_end, *desc_end;
int onid, val, sid, desc_list_len, desc_tag, desc_len, service_type;
char *name, *provider_name;
- av_dlog(ts->stream, "SDT:\n");
+ av_log(ts->stream, AV_LOG_TRACE, "SDT:\n");
hex_dump_debug(ts->stream, section, section_len);
p_end = section + section_len - 4;
return;
if (h->tid != SDT_TID)
return;
+ if (h->version == tssf->last_ver)
+ return;
+ tssf->last_ver = h->version;
+
onid = get16(&p, p_end);
if (onid < 0)
return;
if (desc_end > desc_list_end)
break;
- av_dlog(ts->stream, "tag: 0x%02x len=%d\n",
+ av_log(ts->stream, AV_LOG_TRACE, "tag: 0x%02x len=%d\n",
desc_tag, desc_len);
switch (desc_tag) {
/* handle one TS packet */
static int handle_packet(MpegTSContext *ts, const uint8_t *packet)
{
- AVFormatContext *s = ts->stream;
MpegTSFilter *tss;
int len, pid, cc, expected_cc, cc_ok, afc, is_start, is_discontinuity,
has_adaptation, has_payload;
return 0;
is_start = packet[1] & 0x40;
tss = ts->pids[pid];
- if (ts->auto_guess && tss == NULL && is_start) {
+ if (ts->auto_guess && !tss && is_start) {
add_pes_stream(ts, pid, -1);
tss = ts->pids[pid];
}
return 0;
if (len && cc_ok) {
/* write remaining section bytes */
- write_section_data(s, tss,
+ write_section_data(ts, tss,
p, len, 0);
/* check whether filter has been closed */
if (!ts->pids[pid])
}
p += len;
if (p < p_end) {
- write_section_data(s, tss,
+ write_section_data(ts, tss,
p, p_end - p, 1);
}
} else {
if (cc_ok) {
- write_section_data(s, tss,
+ write_section_data(ts, tss,
p, p_end - p, 0);
}
}
* get_packet_size() ?) */
static int mpegts_resync(AVFormatContext *s)
{
+ MpegTSContext *ts = s->priv_data;
AVIOContext *pb = s->pb;
int c, i;
- for (i = 0; i < MAX_RESYNC_SIZE; i++) {
+ for (i = 0; i < ts->resync_size; i++) {
c = avio_r8(pb);
if (pb->eof_reached)
- return -1;
+ return AVERROR_EOF;
if (c == 0x47) {
avio_seek(pb, -1, SEEK_CUR);
return 0;
av_log(s, AV_LOG_ERROR,
"max resync size reached, could not find sync byte\n");
/* no sync found */
- return -1;
+ return AVERROR_INVALIDDATA;
}
-/* return -1 if error or EOF. Return 0 if OK. */
+/* return AVERROR_something if error or EOF. Return 0 if OK. */
static int read_packet(AVFormatContext *s, uint8_t *buf, int raw_packet_size,
const uint8_t **data)
{
static int handle_packets(MpegTSContext *ts, int nb_packets)
{
AVFormatContext *s = ts->stream;
- uint8_t packet[TS_PACKET_SIZE + FF_INPUT_BUFFER_PADDING_SIZE];
+ uint8_t packet[TS_PACKET_SIZE + AV_INPUT_BUFFER_PADDING_SIZE];
const uint8_t *data;
int packet_num, ret = 0;
if (avio_tell(s->pb) != ts->last_pos) {
int i;
- av_dlog(ts->stream, "Skipping after seek\n");
+ av_log(ts->stream, AV_LOG_TRACE, "Skipping after seek\n");
/* seek detected, flush pes buffer */
for (i = 0; i < NB_PID_MAX; i++) {
if (ts->pids[i]) {
ts->stop_parse = 0;
packet_num = 0;
- memset(packet + TS_PACKET_SIZE, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+ memset(packet + TS_PACKET_SIZE, 0, AV_INPUT_BUFFER_PADDING_SIZE);
for (;;) {
if (ts->stop_parse > 0)
break;
#define CHECK_COUNT 10
if (check_count < CHECK_COUNT)
- return -1;
+ return AVERROR_INVALIDDATA;
score = analyze(p->buf, TS_PACKET_SIZE * check_count,
- TS_PACKET_SIZE, NULL) * CHECK_COUNT / check_count;
+ TS_PACKET_SIZE, NULL, 1) * CHECK_COUNT / check_count;
dvhs_score = analyze(p->buf, TS_DVHS_PACKET_SIZE * check_count,
- TS_DVHS_PACKET_SIZE, NULL) * CHECK_COUNT / check_count;
+ TS_DVHS_PACKET_SIZE, NULL, 1) * CHECK_COUNT / check_count;
fec_score = analyze(p->buf, TS_FEC_PACKET_SIZE * check_count,
- TS_FEC_PACKET_SIZE, NULL) * CHECK_COUNT / check_count;
- av_dlog(NULL, "score: %d, dvhs_score: %d, fec_score: %d \n",
+ TS_FEC_PACKET_SIZE, NULL, 1) * CHECK_COUNT / check_count;
+ av_log(NULL, AV_LOG_TRACE, "score: %d, dvhs_score: %d, fec_score: %d \n",
score, dvhs_score, fec_score);
/* we need a clear definition for the returned score otherwise
else if (fec_score > 6)
return AVPROBE_SCORE_MAX + fec_score - CHECK_COUNT;
else
- return -1;
+ return AVERROR_INVALIDDATA;
}
/* return the 90kHz PCR and the extension for the 27MHz PCR. return
afc = (packet[3] >> 4) & 3;
if (afc <= 1)
- return -1;
+ return AVERROR_INVALIDDATA;
p = packet + 4;
len = p[0];
p++;
if (len == 0)
- return -1;
+ return AVERROR_INVALIDDATA;
flags = *p++;
len--;
if (!(flags & 0x10))
- return -1;
+ return AVERROR_INVALIDDATA;
if (len < 6)
- return -1;
+ return AVERROR_INVALIDDATA;
v = AV_RB32(p);
*ppcr_high = ((int64_t) v << 1) | (p[4] >> 7);
*ppcr_low = ((p[4] & 1) << 8) | p[5];
/* read the first 1024 bytes to get packet size */
pos = avio_tell(pb);
len = avio_read(pb, buf, sizeof(buf));
+ if (len < 0)
+ return len;
if (len != sizeof(buf))
- goto fail;
+ return AVERROR_BUG;
ts->raw_packet_size = get_packet_size(buf, sizeof(buf));
if (ts->raw_packet_size <= 0)
- goto fail;
+ return AVERROR_INVALIDDATA;
ts->stream = s;
ts->auto_guess = 0;
ts->auto_guess = 1;
- av_dlog(ts->stream, "tuning done\n");
+ av_log(ts->stream, AV_LOG_TRACE, "tuning done\n");
s->ctx_flags |= AVFMTCTX_NOHEADER;
} else {
st = avformat_new_stream(s, NULL);
if (!st)
- goto fail;
+ return AVERROR(ENOMEM);
avpriv_set_pts_info(st, 60, 1, 27000000);
- st->codec->codec_type = AVMEDIA_TYPE_DATA;
- st->codec->codec_id = AV_CODEC_ID_MPEG2TS;
+ st->codecpar->codec_type = AVMEDIA_TYPE_DATA;
+ st->codecpar->codec_id = AV_CODEC_ID_MPEG2TS;
/* we iterate until we find two PCRs to estimate the bitrate */
pcr_pid = -1;
for (;;) {
ret = read_packet(s, packet, ts->raw_packet_size, &data);
if (ret < 0)
- return -1;
+ return ret;
pid = AV_RB16(data + 1) & 0x1fff;
if ((pcr_pid == -1 || pcr_pid == pid) &&
parse_pcr(&pcr_h, &pcr_l, data) == 0) {
ts->pcr_incr = (pcrs[1] - pcrs[0]) / (packet_count[1] - packet_count[0]);
ts->cur_pcr = pcrs[0] - ts->pcr_incr * packet_count[0];
s->bit_rate = TS_PACKET_SIZE * 8 * 27e6 / ts->pcr_incr;
- st->codec->bit_rate = s->bit_rate;
+ st->codecpar->bit_rate = s->bit_rate;
st->start_time = ts->cur_pcr;
- av_dlog(ts->stream, "start=%0.3f pcr=%0.3f incr=%d\n",
+ av_log(ts->stream, AV_LOG_TRACE, "start=%0.3f pcr=%0.3f incr=%d\n",
st->start_time / 1000000.0, pcrs[0] / 27e6, ts->pcr_incr);
}
avio_seek(pb, pos, SEEK_SET);
return 0;
-fail:
- return -1;
}
#define MAX_PACKET_READAHEAD ((128 * 1024) / 188)
ret = read_packet(s, pkt->data, ts->raw_packet_size, &data);
pkt->pos = avio_tell(s->pb);
if (ret < 0) {
- av_free_packet(pkt);
+ av_packet_unref(pkt);
return ret;
}
if (data != pkt->data)
MpegTSContext *ts = s->priv_data;
uint8_t buf[TS_PACKET_SIZE];
int64_t pos;
+ int ret;
- if (ff_seek_frame_binary(s, stream_index, target_ts, flags) < 0)
- return -1;
+ ret = ff_seek_frame_binary(s, stream_index, target_ts, flags);
+ if (ret < 0)
+ return ret;
pos = avio_tell(s->pb);
for (;;) {
avio_seek(s->pb, pos, SEEK_SET);
- if (avio_read(s->pb, buf, TS_PACKET_SIZE) != TS_PACKET_SIZE)
- return -1;
+ ret = avio_read(s->pb, buf, TS_PACKET_SIZE);
+ if (ret < 0)
+ return ret;
+ if (ret != TS_PACKET_SIZE)
+ return AVERROR_EOF;
// pid = AV_RB16(buf + 1) & 0x1fff;
if (buf[1] & 0x40)
break;
if (ts->stop_parse > 0)
break;
if (len < TS_PACKET_SIZE)
- return -1;
+ return AVERROR_INVALIDDATA;
if (buf[0] != 0x47) {
buf++;
len--;
.read_seek = read_seek,
.read_timestamp = mpegts_get_pcr,
.flags = AVFMT_SHOW_IDS | AVFMT_TS_DISCONT,
+ .priv_class = &mpegts_class,
};
AVInputFormat ff_mpegtsraw_demuxer = {