#include "libavutil/dict.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
+#include "libavutil/avassert.h"
#include "libavcodec/mpegvideo.h"
#include "avformat.h"
#include "internal.h"
int tsid;
int64_t first_pcr;
int mux_rate; ///< set to 1 when VBR
+ int pes_payload_size;
int transport_stream_id;
int original_network_id;
int m2ts_mode;
} MpegTSWrite;
+/* a PES packet header is generated every DEFAULT_PES_HEADER_FREQ packets */
+#define DEFAULT_PES_HEADER_FREQ 16
+#define DEFAULT_PES_PAYLOAD_SIZE ((DEFAULT_PES_HEADER_FREQ - 1) * 184 + 170)
+
static const AVOption options[] = {
{ "mpegts_transport_stream_id", "Set transport_stream_id field.",
- offsetof(MpegTSWrite, transport_stream_id), FF_OPT_TYPE_INT, {.dbl = 0x0001 }, 0x0001, 0xffff, AV_OPT_FLAG_ENCODING_PARAM},
+ offsetof(MpegTSWrite, transport_stream_id), AV_OPT_TYPE_INT, {.dbl = 0x0001 }, 0x0001, 0xffff, AV_OPT_FLAG_ENCODING_PARAM},
{ "mpegts_original_network_id", "Set original_network_id field.",
- offsetof(MpegTSWrite, original_network_id), FF_OPT_TYPE_INT, {.dbl = 0x0001 }, 0x0001, 0xffff, AV_OPT_FLAG_ENCODING_PARAM},
+ offsetof(MpegTSWrite, original_network_id), AV_OPT_TYPE_INT, {.dbl = 0x0001 }, 0x0001, 0xffff, AV_OPT_FLAG_ENCODING_PARAM},
{ "mpegts_service_id", "Set service_id field.",
- offsetof(MpegTSWrite, service_id), FF_OPT_TYPE_INT, {.dbl = 0x0001 }, 0x0001, 0xffff, AV_OPT_FLAG_ENCODING_PARAM},
+ offsetof(MpegTSWrite, service_id), AV_OPT_TYPE_INT, {.dbl = 0x0001 }, 0x0001, 0xffff, AV_OPT_FLAG_ENCODING_PARAM},
{ "mpegts_pmt_start_pid", "Set the first pid of the PMT.",
- offsetof(MpegTSWrite, pmt_start_pid), FF_OPT_TYPE_INT, {.dbl = 0x1000 }, 0x0010, 0x1f00, AV_OPT_FLAG_ENCODING_PARAM},
+ offsetof(MpegTSWrite, pmt_start_pid), AV_OPT_TYPE_INT, {.dbl = 0x1000 }, 0x0010, 0x1f00, AV_OPT_FLAG_ENCODING_PARAM},
{ "mpegts_start_pid", "Set the first pid.",
- offsetof(MpegTSWrite, start_pid), FF_OPT_TYPE_INT, {.dbl = 0x0100 }, 0x0100, 0x0f00, AV_OPT_FLAG_ENCODING_PARAM},
+ offsetof(MpegTSWrite, start_pid), AV_OPT_TYPE_INT, {.dbl = 0x0100 }, 0x0100, 0x0f00, AV_OPT_FLAG_ENCODING_PARAM},
{"mpegts_m2ts_mode", "Enable m2ts mode.",
- offsetof(MpegTSWrite, m2ts_mode), FF_OPT_TYPE_INT, {.dbl = -1 },
+ offsetof(MpegTSWrite, m2ts_mode), AV_OPT_TYPE_INT, {.dbl = -1 },
-1,1, AV_OPT_FLAG_ENCODING_PARAM},
+ { "muxrate", NULL, offsetof(MpegTSWrite, mux_rate), AV_OPT_TYPE_INT, {1}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
+ { "pes_payload_size", "Minimum PES packet payload in bytes",
+ offsetof(MpegTSWrite, pes_payload_size), AV_OPT_TYPE_INT, {DEFAULT_PES_PAYLOAD_SIZE}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM},
{ NULL },
};
tot_len = 3 + 5 + len + 4;
/* check if not too big */
if (tot_len > 1024)
- return -1;
+ return AVERROR_INVALIDDATA;
q = section;
*q++ = tid;
#define DEFAULT_PROVIDER_NAME "FFmpeg"
#define DEFAULT_SERVICE_NAME "Service01"
-/* a PES packet header is generated every DEFAULT_PES_HEADER_FREQ packets */
-#define DEFAULT_PES_HEADER_FREQ 16
-#define DEFAULT_PES_PAYLOAD_SIZE ((DEFAULT_PES_HEADER_FREQ - 1) * 184 + 170)
-
/* we retransmit the SI info at this rate */
#define SDT_RETRANS_TIME 500
#define PAT_RETRANS_TIME 100
struct MpegTSService *service;
int pid; /* stream associated pid */
int cc;
- int payload_index;
+ int payload_size;
int first_pts_check; ///< first pts check needed
int64_t payload_pts;
int64_t payload_dts;
int payload_flags;
- uint8_t payload[DEFAULT_PES_PAYLOAD_SIZE];
+ uint8_t *payload;
ADTSContext *adts;
} MpegTSWriteStream;
/* write optional descriptors here */
switch(st->codec->codec_type) {
case AVMEDIA_TYPE_AUDIO:
+ if(st->codec->codec_id==CODEC_ID_EAC3){
+ *q++=0x7a; // EAC3 descriptor see A038 DVB SI
+ *q++=1; // 1 byte, all flags sets to 0
+ *q++=0; // omit all fields...
+ }
+
if (lang) {
char *p;
char *next = lang->value;
const char *provider_name;
int *pids;
+ // round up to a whole number of TS packets
+ ts->pes_payload_size = (ts->pes_payload_size + 14 + 183) / 184 * 184 - 14;
+
ts->tsid = ts->transport_stream_id;
ts->onid = ts->original_network_id;
/* allocate a single DVB service */
/* assign pids to each stream */
for(i = 0;i < s->nb_streams; i++) {
st = s->streams[i];
- av_set_pts_info(st, 33, 1, 90000);
+ avpriv_set_pts_info(st, 33, 1, 90000);
ts_st = av_mallocz(sizeof(MpegTSWriteStream));
if (!ts_st)
goto fail;
st->priv_data = ts_st;
+ ts_st->payload = av_mallocz(ts->pes_payload_size);
+ if (!ts_st->payload)
+ goto fail;
ts_st->service = service;
/* MPEG pid values < 16 are reserved. Applications which set st->id in
* this range are assigned a calculated pid. */
st->codec->extradata_size > 0) {
ts_st->adts = av_mallocz(sizeof(*ts_st->adts));
if (!ts_st->adts)
- return AVERROR(ENOMEM);
+ goto fail;
if (ff_adts_decode_extradata(s, ts_st->adts, st->codec->extradata,
st->codec->extradata_size) < 0)
- return -1;
+ goto fail;
}
}
service->pcr_pid = ts_st->pid;
}
- ts->mux_rate = s->mux_rate ? s->mux_rate : 1;
+#if FF_API_MUXRATE
+ if (s->mux_rate)
+ ts->mux_rate = s->mux_rate;
+#endif
if (ts->mux_rate > 1) {
service->pcr_packet_period = (ts->mux_rate * PCR_RETRANS_TIME) /
fail:
av_free(pids);
for(i = 0;i < s->nb_streams; i++) {
+ MpegTSWriteStream *ts_st;
st = s->streams[i];
+ ts_st = st->priv_data;
+ if (ts_st) {
+ av_freep(&ts_st->payload);
+ av_freep(&ts_st->adts);
+ }
av_freep(&st->priv_data);
}
- return -1;
+ return AVERROR(EINVAL);
}
/* send SDT, PAT and PMT tables regulary */
int size = pkt->size;
uint8_t *buf= pkt->data;
uint8_t *data= NULL;
+ MpegTSWrite *ts = s->priv_data;
MpegTSWriteStream *ts_st = st->priv_data;
const uint64_t delay = av_rescale(s->max_delay, 90000, AV_TIME_BASE)*2;
int64_t dts = AV_NOPTS_VALUE, pts = AV_NOPTS_VALUE;
if (ts_st->first_pts_check && pts == AV_NOPTS_VALUE) {
av_log(s, AV_LOG_ERROR, "first pts value must set\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
ts_st->first_pts_check = 0;
uint32_t state = -1;
if (pkt->size < 5 || AV_RB32(pkt->data) != 0x0000001) {
- av_log(s, AV_LOG_ERROR, "h264 bitstream malformated, "
- "no startcode found, use -vbsf h264_mp4toannexb\n");
- return -1;
+ av_log(s, AV_LOG_ERROR, "H.264 bitstream malformed, "
+ "no startcode found, use the h264_mp4toannexb bitstream filter\n");
+ return AVERROR_INVALIDDATA;
}
do {
- p = ff_find_start_code(p, buf_end, &state);
+ p = avpriv_mpv_find_start_code(p, buf_end, &state);
//av_log(s, AV_LOG_INFO, "nal %d\n", state & 0x1f);
} while (p < buf_end && (state & 0x1f) != 9 &&
(state & 0x1f) != 5 && (state & 0x1f) != 1);
if ((state & 0x1f) != 9) { // AUD NAL
data = av_malloc(pkt->size+6);
if (!data)
- return -1;
+ return AVERROR(ENOMEM);
memcpy(data+6, pkt->data, pkt->size);
AV_WB32(data, 0x00000001);
data[4] = 0x09;
}
} else if (st->codec->codec_id == CODEC_ID_AAC) {
if (pkt->size < 2)
- return -1;
+ return AVERROR_INVALIDDATA;
if ((AV_RB16(pkt->data) & 0xfff0) != 0xfff0) {
ADTSContext *adts = ts_st->adts;
- int new_size;
+ int new_size, err;
if (!adts) {
- av_log(s, AV_LOG_ERROR, "aac bitstream not in adts format "
+ av_log(s, AV_LOG_ERROR, "AAC bitstream not in ADTS format "
"and extradata missing\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
new_size = ADTS_HEADER_SIZE+adts->pce_size+pkt->size;
if ((unsigned)new_size >= INT_MAX)
- return -1;
+ return AVERROR_INVALIDDATA;
data = av_malloc(new_size);
if (!data)
return AVERROR(ENOMEM);
- ff_adts_write_frame_header(adts, data, pkt->size, adts->pce_size);
+ err = ff_adts_write_frame_header(adts, data, pkt->size,
+ adts->pce_size);
+ if (err < 0) {
+ av_free(data);
+ return err;
+ }
if (adts->pce_size) {
memcpy(data+ADTS_HEADER_SIZE, adts->pce_data, adts->pce_size);
adts->pce_size = 0;
}
}
- if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
+ if (ts_st->payload_size && ts_st->payload_size + size > ts->pes_payload_size) {
+ mpegts_write_pes(s, st, ts_st->payload, ts_st->payload_size,
+ ts_st->payload_pts, ts_st->payload_dts,
+ ts_st->payload_flags & AV_PKT_FLAG_KEY);
+ ts_st->payload_size = 0;
+ }
+
+ if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO || size > ts->pes_payload_size) {
+ av_assert0(!ts_st->payload_size);
// for video and subtitle, write a single pes packet
mpegts_write_pes(s, st, buf, size, pts, dts, pkt->flags & AV_PKT_FLAG_KEY);
av_free(data);
return 0;
}
- if (ts_st->payload_index + size > DEFAULT_PES_PAYLOAD_SIZE) {
- mpegts_write_pes(s, st, ts_st->payload, ts_st->payload_index,
- ts_st->payload_pts, ts_st->payload_dts,
- ts_st->payload_flags & AV_PKT_FLAG_KEY);
- ts_st->payload_index = 0;
- }
-
- if (!ts_st->payload_index) {
+ if (!ts_st->payload_size) {
ts_st->payload_pts = pts;
ts_st->payload_dts = dts;
ts_st->payload_flags = pkt->flags;
}
- memcpy(ts_st->payload + ts_st->payload_index, buf, size);
- ts_st->payload_index += size;
+ memcpy(ts_st->payload + ts_st->payload_size, buf, size);
+ ts_st->payload_size += size;
av_free(data);
for(i = 0; i < s->nb_streams; i++) {
st = s->streams[i];
ts_st = st->priv_data;
- if (ts_st->payload_index > 0) {
- mpegts_write_pes(s, st, ts_st->payload, ts_st->payload_index,
+ if (ts_st->payload_size > 0) {
+ mpegts_write_pes(s, st, ts_st->payload, ts_st->payload_size,
ts_st->payload_pts, ts_st->payload_dts,
ts_st->payload_flags & AV_PKT_FLAG_KEY);
}
+ av_freep(&ts_st->payload);
av_freep(&ts_st->adts);
}
avio_flush(s->pb);
.name = "mpegts",
.long_name = NULL_IF_CONFIG_SMALL("MPEG-2 transport stream format"),
.mime_type = "video/x-mpegts",
- .extensions = "ts,m2t,m2ts",
+ .extensions = "ts,m2t,m2ts,mts",
.priv_data_size = sizeof(MpegTSWrite),
.audio_codec = CODEC_ID_MP2,
.video_codec = CODEC_ID_MPEG2VIDEO,
projects / ffmpeg / blobdiff