Chiebot-Mirror
/
FFmpeg
mirror of https://github.com/FFmpeg/FFmpeg.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity

mpeg ts demux uses DVB SI info and generates correct PTS info - added prototype mpeg ts mux

Browse Source 
Originally committed as revision 1956 to svn://svn.ffmpeg.org/ffmpeg/trunk
pull/126/head
Fabrice Bellard 22 years ago
parent 39f472c3b6
commit 5dbafeb7ba
4 changed files with 1398 additions and 156 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 2
      libavformat/Makefile
  2. 930
      libavformat/mpegts.c
  3. 40
      libavformat/mpegts.h
  4. 582
      libavformat/mpegtsenc.c

2
libavformat/Makefile
Unescape View File

@ -12,7 +12,7 @@ OBJS= utils.o cutils.o allformats.o
PPOBJS= PPOBJS=
# mux and demuxes # mux and demuxes
OBJS+=mpeg.o mpegts.o ffm.o crc.o img.o raw.o rm.o \ OBJS+=mpeg.o mpegts.o mpegtsenc.o ffm.o crc.o img.o raw.o rm.o \
avienc.o avidec.o wav.o swf.o au.o gif.o mov.o mpjpeg.o dv.o \ avienc.o avidec.o wav.o swf.o au.o gif.o mov.o mpjpeg.o dv.o \
yuv4mpeg.o 4xm.o yuv4mpeg.o 4xm.o

930
libavformat/mpegts.c
View File

File diff suppressed because it is too large Load Diff

40
libavformat/mpegts.h
Unescape View File

@ -0,0 +1,40 @@
/*
* MPEG2 transport stream defines
* Copyright (c) 2003 Fabrice Bellard.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#define TS_FEC_PACKET_SIZE 204
#define TS_PACKET_SIZE 188
#define NB_PID_MAX 8192
#define MAX_SECTION_SIZE 4096
/* pids */
#define PAT_PID 0x0000
#define SDT_PID 0x0011
/* table ids */
#define PAT_TID 0x00
#define PMT_TID 0x02
#define SDT_TID 0x42
#define STREAM_TYPE_VIDEO 0x02
#define STREAM_TYPE_AUDIO 0x03
#define STREAM_TYPE_PRIVATE_SECTION 0x05
#define STREAM_TYPE_PRIVATE_DATA 0x06
unsigned int mpegts_crc32(const uint8_t *data, int len);
extern AVOutputFormat mpegts_mux;

582
libavformat/mpegtsenc.c
Unescape View File

@ -0,0 +1,582 @@
/*
* MPEG2 transport stream (aka DVB) mux
* Copyright (c) 2003 Fabrice Bellard.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "avformat.h"
#include "mpegts.h"
/* write DVB SI sections */
static uint32_t crc_table[256] = {
0x00000000, 0x04c11db7, 0x09823b6e, 0x0d4326d9, 0x130476dc, 0x17c56b6b,
0x1a864db2, 0x1e475005, 0x2608edb8, 0x22c9f00f, 0x2f8ad6d6, 0x2b4bcb61,
0x350c9b64, 0x31cd86d3, 0x3c8ea00a, 0x384fbdbd, 0x4c11db70, 0x48d0c6c7,
0x4593e01e, 0x4152fda9, 0x5f15adac, 0x5bd4b01b, 0x569796c2, 0x52568b75,
0x6a1936c8, 0x6ed82b7f, 0x639b0da6, 0x675a1011, 0x791d4014, 0x7ddc5da3,
0x709f7b7a, 0x745e66cd, 0x9823b6e0, 0x9ce2ab57, 0x91a18d8e, 0x95609039,
0x8b27c03c, 0x8fe6dd8b, 0x82a5fb52, 0x8664e6e5, 0xbe2b5b58, 0xbaea46ef,
0xb7a96036, 0xb3687d81, 0xad2f2d84, 0xa9ee3033, 0xa4ad16ea, 0xa06c0b5d,
0xd4326d90, 0xd0f37027, 0xddb056fe, 0xd9714b49, 0xc7361b4c, 0xc3f706fb,
0xceb42022, 0xca753d95, 0xf23a8028, 0xf6fb9d9f, 0xfbb8bb46, 0xff79a6f1,
0xe13ef6f4, 0xe5ffeb43, 0xe8bccd9a, 0xec7dd02d, 0x34867077, 0x30476dc0,
0x3d044b19, 0x39c556ae, 0x278206ab, 0x23431b1c, 0x2e003dc5, 0x2ac12072,
0x128e9dcf, 0x164f8078, 0x1b0ca6a1, 0x1fcdbb16, 0x018aeb13, 0x054bf6a4,
0x0808d07d, 0x0cc9cdca, 0x7897ab07, 0x7c56b6b0, 0x71159069, 0x75d48dde,
0x6b93dddb, 0x6f52c06c, 0x6211e6b5, 0x66d0fb02, 0x5e9f46bf, 0x5a5e5b08,
0x571d7dd1, 0x53dc6066, 0x4d9b3063, 0x495a2dd4, 0x44190b0d, 0x40d816ba,
0xaca5c697, 0xa864db20, 0xa527fdf9, 0xa1e6e04e, 0xbfa1b04b, 0xbb60adfc,
0xb6238b25, 0xb2e29692, 0x8aad2b2f, 0x8e6c3698, 0x832f1041, 0x87ee0df6,
0x99a95df3, 0x9d684044, 0x902b669d, 0x94ea7b2a, 0xe0b41de7, 0xe4750050,
0xe9362689, 0xedf73b3e, 0xf3b06b3b, 0xf771768c, 0xfa325055, 0xfef34de2,
0xc6bcf05f, 0xc27dede8, 0xcf3ecb31, 0xcbffd686, 0xd5b88683, 0xd1799b34,
0xdc3abded, 0xd8fba05a, 0x690ce0ee, 0x6dcdfd59, 0x608edb80, 0x644fc637,
0x7a089632, 0x7ec98b85, 0x738aad5c, 0x774bb0eb, 0x4f040d56, 0x4bc510e1,
0x46863638, 0x42472b8f, 0x5c007b8a, 0x58c1663d, 0x558240e4, 0x51435d53,
0x251d3b9e, 0x21dc2629, 0x2c9f00f0, 0x285e1d47, 0x36194d42, 0x32d850f5,
0x3f9b762c, 0x3b5a6b9b, 0x0315d626, 0x07d4cb91, 0x0a97ed48, 0x0e56f0ff,
0x1011a0fa, 0x14d0bd4d, 0x19939b94, 0x1d528623, 0xf12f560e, 0xf5ee4bb9,
0xf8ad6d60, 0xfc6c70d7, 0xe22b20d2, 0xe6ea3d65, 0xeba91bbc, 0xef68060b,
0xd727bbb6, 0xd3e6a601, 0xdea580d8, 0xda649d6f, 0xc423cd6a, 0xc0e2d0dd,
0xcda1f604, 0xc960ebb3, 0xbd3e8d7e, 0xb9ff90c9, 0xb4bcb610, 0xb07daba7,
0xae3afba2, 0xaafbe615, 0xa7b8c0cc, 0xa379dd7b, 0x9b3660c6, 0x9ff77d71,
0x92b45ba8, 0x9675461f, 0x8832161a, 0x8cf30bad, 0x81b02d74, 0x857130c3,
0x5d8a9099, 0x594b8d2e, 0x5408abf7, 0x50c9b640, 0x4e8ee645, 0x4a4ffbf2,
0x470cdd2b, 0x43cdc09c, 0x7b827d21, 0x7f436096, 0x7200464f, 0x76c15bf8,
0x68860bfd, 0x6c47164a, 0x61043093, 0x65c52d24, 0x119b4be9, 0x155a565e,
0x18197087, 0x1cd86d30, 0x029f3d35, 0x065e2082, 0x0b1d065b, 0x0fdc1bec,
0x3793a651, 0x3352bbe6, 0x3e119d3f, 0x3ad08088, 0x2497d08d, 0x2056cd3a,
0x2d15ebe3, 0x29d4f654, 0xc5a92679, 0xc1683bce, 0xcc2b1d17, 0xc8ea00a0,
0xd6ad50a5, 0xd26c4d12, 0xdf2f6bcb, 0xdbee767c, 0xe3a1cbc1, 0xe760d676,
0xea23f0af, 0xeee2ed18, 0xf0a5bd1d, 0xf464a0aa, 0xf9278673, 0xfde69bc4,
0x89b8fd09, 0x8d79e0be, 0x803ac667, 0x84fbdbd0, 0x9abc8bd5, 0x9e7d9662,
0x933eb0bb, 0x97ffad0c, 0xafb010b1, 0xab710d06, 0xa6322bdf, 0xa2f33668,
0xbcb4666d, 0xb8757bda, 0xb5365d03, 0xb1f740b4
};
unsigned int mpegts_crc32(const uint8_t *data, int len)
{
register int i;
unsigned int crc = 0xffffffff;
for (i=0; i<len; i++)
crc = (crc << 8) ^ crc_table[((crc >> 24) ^ *data++) & 0xff];
return crc;
}
/*********************************************/
/* mpegts section writer */
typedef struct MpegTSSection {
int pid;
int cc;
void (*write_packet)(struct MpegTSSection *s, const uint8_t *packet);
void *opaque;
} MpegTSSection;
/* NOTE: 4 bytes must be left at the end for the crc32 */
void mpegts_write_section(MpegTSSection *s, uint8_t *buf, int len)
{
unsigned int crc;
unsigned char packet[TS_PACKET_SIZE];
const unsigned char *buf_ptr;
unsigned char *q;
int first, b, len1, left;
crc = mpegts_crc32(buf, len - 4);
buf[len - 4] = (crc >> 24) & 0xff;
buf[len - 3] = (crc >> 16) & 0xff;
buf[len - 2] = (crc >> 8) & 0xff;
buf[len - 1] = (crc) & 0xff;
/* send each packet */
buf_ptr = buf;
while (len > 0) {
first = (buf == buf_ptr);
q = packet;
*q++ = 0x47;
b = (s->pid >> 8);
if (first)
b |= 0x40;
*q++ = b;
*q++ = s->pid;
s->cc = (s->cc + 1) & 0xf;
*q++ = 0x10 | s->cc;
if (first)
*q++ = 0; /* 0 offset */
len1 = TS_PACKET_SIZE - (q - packet);
if (len1 > len)
len1 = len;
memcpy(q, buf_ptr, len1);
q += len1;
/* add known padding data */
left = TS_PACKET_SIZE - (q - packet);
if (left > 0)
memset(q, 0xff, left);
s->write_packet(s, packet);
buf_ptr += len1;
len -= len1;
}
}
static inline void put16(uint8_t **q_ptr, int val)
{
uint8_t *q;
q = *q_ptr;
*q++ = val >> 8;
*q++ = val;
*q_ptr = q;
}
int mpegts_write_section1(MpegTSSection *s, int tid, int id,
int version, int sec_num, int last_sec_num,
uint8_t *buf, int len)
{
uint8_t section[1024], *q;
unsigned int tot_len;
tot_len = 3 + 5 + len + 4;
/* check if not too big */
if (tot_len > 1024)
return -1;
q = section;
*q++ = tid;
put16(&q, 0xb000 | (len + 5 + 4)); /* 5 byte header + 4 byte CRC */
put16(&q, id);
*q++ = 0xc1 | (version << 1); /* current_next_indicator = 1 */
*q++ = sec_num;
*q++ = last_sec_num;
memcpy(q, buf, len);
mpegts_write_section(s, section, tot_len);
return 0;
}
/*********************************************/
/* mpegts writer */
#define DEFAULT_PMT_START_PID 0x1000
#define DEFAULT_START_PID 0x0100
#define DEFAULT_PROVIDER_NAME "FFmpeg"
#define DEFAULT_SERVICE_NAME "Service01"
/* default network id, transport stream and service identifiers */
#define DEFAULT_ONID 0x0001
#define DEFAULT_TSID 0x0001
#define DEFAULT_SID 0x0001
/* a PES packet header is generated every DEFAULT_PES_HEADER_FREQ packets */
#define DEFAULT_PES_HEADER_FREQ 16
/* we retransmit the SI info at this rate */
#define SDT_RETRANS_TIME 500
#define PAT_RETRANS_TIME 100
typedef struct MpegTSWriteStream {
int pid; /* stream associated pid */
int cc;
int packet_index;
int pes_packet_count;
uint8_t packet[TS_PACKET_SIZE];
} MpegTSWriteStream;
typedef struct MpegTSService {
MpegTSSection pmt; /* MPEG2 pmt table context */
int pcr_pid;
int sid; /* service ID */
char *name;
char *provider_name;
} MpegTSService;
typedef struct MpegTSWrite {
MpegTSSection pat; /* MPEG2 pat table */
MpegTSSection sdt; /* MPEG2 sdt table context */
MpegTSService **services;
int sdt_packet_count;
int sdt_packet_freq;
int pat_packet_count;
int pat_packet_freq;
int nb_services;
int onid;
int tsid;
} MpegTSWrite;
static void mpegts_write_pat(AVFormatContext *s)
{
MpegTSWrite *ts = s->priv_data;
MpegTSService *service;
uint8_t data[1012], *q;
int i;
q = data;
for(i = 0; i < ts->nb_services; i++) {
service = ts->services[i];
put16(&q, service->sid);
put16(&q, 0xe000 | service->pmt.pid);
}
mpegts_write_section1(&ts->pat, PAT_TID, ts->tsid, 0, 0, 0,
data, q - data);
}
static void mpegts_write_pmt(AVFormatContext *s, MpegTSService *service)
{
// MpegTSWrite *ts = s->priv_data;
uint8_t data[1012], *q, *desc_length_ptr, *program_info_length_ptr;
int val, stream_type, i;
q = data;
put16(&q, 0xe000 | service->pcr_pid);
program_info_length_ptr = q;
q += 2; /* patched after */
/* put program info here */
val = 0xf000 | (q - program_info_length_ptr - 2);
program_info_length_ptr[0] = val >> 8;
program_info_length_ptr[1] = val;
for(i = 0; i < s->nb_streams; i++) {
AVStream *st = s->streams[i];
MpegTSWriteStream *ts_st = st->priv_data;
switch(st->codec.codec_type) {
case CODEC_TYPE_VIDEO:
stream_type = STREAM_TYPE_VIDEO;
break;
case CODEC_TYPE_AUDIO:
stream_type = STREAM_TYPE_AUDIO;
break;
default:
stream_type = STREAM_TYPE_PRIVATE_DATA;
break;
}
*q++ = stream_type;
put16(&q, 0xe000 | ts_st->pid);
desc_length_ptr = q;
q += 2; /* patched after */
/* write optional descriptors here */
val = 0xf000 | (q - desc_length_ptr - 2);
desc_length_ptr[0] = val >> 8;
desc_length_ptr[1] = val;
}
mpegts_write_section1(&service->pmt, PMT_TID, service->sid, 0, 0, 0,
data, q - data);
}
/* NOTE: str == NULL is accepted for an empty string */
static void putstr8(uint8_t **q_ptr, const char *str)
{
uint8_t *q;
int len;
q = *q_ptr;
if (!str)
len = 0;
else
len = strlen(str);
*q++ = len;
memcpy(q, str, len);
q += len;
*q_ptr = q;
}
static void mpegts_write_sdt(AVFormatContext *s)
{
MpegTSWrite *ts = s->priv_data;
MpegTSService *service;
uint8_t data[1012], *q, *desc_list_len_ptr, *desc_len_ptr;
int i, running_status, free_ca_mode, val;
q = data;
put16(&q, ts->onid);
*q++ = 0xff;
for(i = 0; i < ts->nb_services; i++) {
service = ts->services[i];
put16(&q, service->sid);
*q++ = 0xfc | 0x00; /* currently no EIT info */
desc_list_len_ptr = q;
q += 2;
running_status = 4; /* running */
free_ca_mode = 0;
/* write only one descriptor for the service name and provider */
*q++ = 0x48;
desc_len_ptr = q;
q++;
*q++ = 0x01; /* digital television service */
putstr8(&q, service->provider_name);
putstr8(&q, service->name);
desc_len_ptr[0] = q - desc_len_ptr - 1;
/* fill descriptor length */
val = (running_status << 13) | (free_ca_mode << 12) |
(q - desc_list_len_ptr - 2);
desc_list_len_ptr[0] = val >> 8;
desc_list_len_ptr[1] = val;
}
mpegts_write_section1(&ts->sdt, SDT_TID, ts->tsid, 0, 0, 0,
data, q - data);
}
static MpegTSService *mpegts_add_service(MpegTSWrite *ts,
int sid,
const char *provider_name,
const char *name)
{
MpegTSService *service;
service = av_mallocz(sizeof(MpegTSService));
if (!service)
return NULL;
service->pmt.pid = DEFAULT_PMT_START_PID + ts->nb_services - 1;
service->sid = sid;
service->provider_name = av_strdup(provider_name);
service->name = av_strdup(name);
service->pcr_pid = 0x1fff;
dynarray_add(&ts->services, &ts->nb_services, service);
return service;
}
static void section_write_packet(MpegTSSection *s, const uint8_t *packet)
{
AVFormatContext *ctx = s->opaque;
put_buffer(&ctx->pb, packet, TS_PACKET_SIZE);
}
static int mpegts_write_header(AVFormatContext *s)
{
MpegTSWrite *ts = s->priv_data;
MpegTSWriteStream *ts_st;
MpegTSService *service;
AVStream *st;
int i, total_bit_rate;
ts->tsid = DEFAULT_TSID;
ts->onid = DEFAULT_ONID;
/* allocate a single DVB service */
service = mpegts_add_service(ts, DEFAULT_SID,
DEFAULT_PROVIDER_NAME, DEFAULT_SERVICE_NAME);
service->pmt.write_packet = section_write_packet;
service->pmt.opaque = s;
ts->pat.pid = PAT_PID;
ts->pat.cc = 0;
ts->pat.write_packet = section_write_packet;
ts->pat.opaque = s;
ts->sdt.pid = SDT_PID;
ts->sdt.cc = 0;
ts->sdt.write_packet = section_write_packet;
ts->sdt.opaque = s;
/* assign pids to each stream */
total_bit_rate = 0;
for(i = 0;i < s->nb_streams; i++) {
st = s->streams[i];
ts_st = av_mallocz(sizeof(MpegTSWriteStream));
if (!ts_st)
goto fail;
st->priv_data = ts_st;
ts_st->pid = DEFAULT_START_PID + i;
/* update PCR pid if needed */
if (st->codec.codec_type == CODEC_TYPE_VIDEO &&
service->pcr_pid == 0x1fff)
service->pcr_pid = ts_st->pid;
total_bit_rate += st->codec.bit_rate;
}
if (total_bit_rate <= 8 * 1024)
total_bit_rate = 8 * 1024;
ts->sdt_packet_freq = (total_bit_rate * SDT_RETRANS_TIME) /
(TS_PACKET_SIZE * 8 * 1000);
ts->pat_packet_freq = (total_bit_rate * PAT_RETRANS_TIME) /
(TS_PACKET_SIZE * 8 * 1000);
#if 0
printf("%d %d %d\n",
total_bit_rate, ts->sdt_packet_freq, ts->pat_packet_freq);
#endif
/* write info at the start of the file, so that it will be fast to
find them */
mpegts_write_sdt(s);
mpegts_write_pat(s);
for(i = 0; i < ts->nb_services; i++) {
mpegts_write_pmt(s, ts->services[i]);
}
put_flush_packet(&s->pb);
return 0;
fail:
for(i = 0;i < s->nb_streams; i++) {
st = s->streams[i];
av_free(st->priv_data);
}
return -1;
}
/* send SDT, PAT and PMT tables regulary */
static void retransmit_si_info(AVFormatContext *s)
{
MpegTSWrite *ts = s->priv_data;
int i;
if (++ts->sdt_packet_count == ts->sdt_packet_freq) {
ts->sdt_packet_count = 0;
mpegts_write_sdt(s);
}
if (++ts->pat_packet_count == ts->pat_packet_freq) {
ts->pat_packet_count = 0;
mpegts_write_pat(s);
for(i = 0; i < ts->nb_services; i++) {
mpegts_write_pmt(s, ts->services[i]);
}
}
}
static int mpegts_write_packet(AVFormatContext *s, int stream_index,
uint8_t *buf, int size, int pts1)
{
AVStream *st = s->streams[stream_index];
MpegTSWriteStream *ts_st = st->priv_data;
uint8_t *q;
int val, write_pts, is_start, len;
int64_t pts;
while (size > 0) {
if (ts_st->packet_index == 0) {
retransmit_si_info(s);
/* new PES header ? */
is_start = 0;
if (++ts_st->pes_packet_count == DEFAULT_PES_HEADER_FREQ) {
ts_st->pes_packet_count = 0;
is_start = 1;
}
/* prepare packet header */
q = ts_st->packet;
*q++ = 0x47;
val = (ts_st->pid >> 8);
if (is_start)
val |= 0x40;
*q++ = val;
*q++ = ts_st->pid;
*q++ = 0x10 | ts_st->cc;
ts_st->cc = (ts_st->cc + 1) & 0xf;
if (is_start) {
/* write PES header */
*q++ = 0x00;
*q++ = 0x00;
*q++ = 0x01;
if (st->codec.codec_type == CODEC_TYPE_VIDEO)
*q++ = 0xe0;
else
*q++ = 0xc0;
*q++ = 0; /* unbounded size */
*q++ = 0;
*q++ = 0x80;
write_pts = 0; /* XXX: enable it */
if (write_pts) {
*q++ = 0x80; /* PTS only */
*q++ = 0x05; /* header len */
pts = pts1;
val = (0x02 << 4) |
(((pts >> 30) & 0x07) << 1) | 1;
*q++ = val;
val = (((pts >> 15) & 0x7fff) << 1) | 1;
*q++ = val >> 8;
*q++ = val;
val = (((pts) & 0x7fff) << 1) | 1;
*q++ = val >> 8;
*q++ = val;
} else {
*q++ = 0x00;
*q++ = 0x00;
}
}
ts_st->packet_index = q - ts_st->packet;
}
len = TS_PACKET_SIZE - ts_st->packet_index;
if (len == 0) {
put_buffer(&s->pb, ts_st->packet, TS_PACKET_SIZE);
ts_st->packet_index = 0;
} else {
if (len > size)
len = size;
memcpy(ts_st->packet + ts_st->packet_index, buf, len);
size -= len;
buf += len;
ts_st->packet_index += len;
}
}
put_flush_packet(&s->pb);
return 0;
}
static int mpegts_write_end(AVFormatContext *s)
{
MpegTSWrite *ts = s->priv_data;
MpegTSWriteStream *ts_st;
MpegTSService *service;
AVStream *st;
int i;
/* flush current packets */
for(i = 0; i < s->nb_streams; i++) {
st = s->streams[i];
ts_st = st->priv_data;
if (ts_st->packet_index != 0) {
/* put a known value at the end */
memset(ts_st->packet + ts_st->packet_index, 0xff,
TS_PACKET_SIZE - ts_st->packet_index);
put_buffer(&s->pb, ts_st->packet, TS_PACKET_SIZE);
}
}
put_flush_packet(&s->pb);
for(i = 0; i < ts->nb_services; i++) {
service = ts->services[i];
av_freep(&service->provider_name);
av_freep(&service->name);
av_free(service);
}
av_free(ts->services);
for(i = 0; i < s->nb_streams; i++) {
st = s->streams[i];
av_free(st->priv_data);
}
return 0;
}
AVOutputFormat mpegts_mux = {
"mpegts",
"MPEG2 transport stream format",
"video/x-mpegts",
"ts",
sizeof(MpegTSWrite),
CODEC_ID_MP2,
CODEC_ID_MPEG1VIDEO,
mpegts_write_header,
mpegts_write_packet,
mpegts_write_end,
};
Write Preview
Loading…
Cancel
Save