* @param num must be >= 0
* @param den must be >= 1
*/
-static void av_frac_init(AVFrac *f, int64_t val, int64_t num, int64_t den)
+static void frac_init(AVFrac *f, int64_t val, int64_t num, int64_t den)
{
num += (den >> 1);
if (num >= den) {
* @param f fractional number
* @param incr increment, can be positive or negative
*/
-static void av_frac_add(AVFrac *f, int64_t incr)
+static void frac_add(AVFrac *f, int64_t incr)
{
int64_t num, den;
{ "dts" , CODEC_ID_DTS , AVMEDIA_TYPE_AUDIO },
{ "eac3" , CODEC_ID_EAC3 , AVMEDIA_TYPE_AUDIO },
{ "h264" , CODEC_ID_H264 , AVMEDIA_TYPE_VIDEO },
+ { "loas" , CODEC_ID_AAC_LATM , AVMEDIA_TYPE_AUDIO },
{ "m4v" , CODEC_ID_MPEG4 , AVMEDIA_TYPE_VIDEO },
{ "mp3" , CODEC_ID_MP3 , AVMEDIA_TYPE_AUDIO },
{ "mpegvideo", CODEC_ID_MPEG2VIDEO, AVMEDIA_TYPE_VIDEO },
return AVERROR(EINVAL);
}
- for(probe_size= PROBE_BUF_MIN; probe_size<=max_probe_size && !*fmt && ret >= 0;
+ for(probe_size= PROBE_BUF_MIN; probe_size<=max_probe_size && !*fmt;
probe_size = FFMIN(probe_size<<1, FFMAX(max_probe_size, probe_size+1))) {
- int ret, score = probe_size < max_probe_size ? AVPROBE_SCORE_MAX/4 : 0;
+ int score = probe_size < max_probe_size ? AVPROBE_SCORE_MAX/4 : 0;
int buf_offset = (probe_size == PROBE_BUF_MIN) ? 0 : probe_size>>1;
+ void *buftmp;
if (probe_size < offset) {
continue;
}
/* read probe data */
- buf = av_realloc(buf, probe_size + AVPROBE_PADDING_SIZE);
+ buftmp = av_realloc(buf, probe_size + AVPROBE_PADDING_SIZE);
+ if(!buftmp){
+ av_free(buf);
+ return AVERROR(ENOMEM);
+ }
+ buf=buftmp;
if ((ret = avio_read(pb, buf + buf_offset, probe_size - buf_offset)) < 0) {
/* fail if error was not end of file, otherwise, lower score */
if (ret != AVERROR_EOF) {
return 0;
if ((ret = avio_open(&s->pb, filename, AVIO_FLAG_READ)) < 0)
- return ret;
+ return ret;
if (s->iformat)
return 0;
return av_probe_input_buffer(s->pb, &s->iformat, filename, s, 0, 0);
{
AVFormatContext *s = *ps;
int ret = 0;
- AVFormatParameters ap = { 0 };
+ AVFormatParameters ap = { { 0 } };
AVDictionary *tmp = NULL;
if (!s && !(s = avformat_alloc_context()))
continue;
}
+ if ((s->flags & AVFMT_FLAG_DISCARD_CORRUPT) &&
+ (pkt->flags & AV_PKT_FLAG_CORRUPT)) {
+ av_log(s, AV_LOG_WARNING,
+ "Dropped corrupted packet (stream = %d)\n",
+ pkt->stream_index);
+ continue;
+ }
+
if(!(s->flags & AVFMT_FLAG_KEEP_SIDE_DATA))
av_packet_merge_side_data(pkt);
+
st= s->streams[pkt->stream_index];
switch(st->codec->codec_type){
}
-static int av_read_frame_internal(AVFormatContext *s, AVPacket *pkt)
+static int read_frame_internal(AVFormatContext *s, AVPacket *pkt)
{
AVStream *st;
int len, ret, i;
st->cur_pkt.data = NULL;
assert(st->cur_len == 0);
}else{
- pkt->destruct = NULL;
+ pkt->destruct = NULL;
}
compute_pkt_fields(s, st, st->parser, pkt);
if (st->need_parsing && !st->parser && !(s->flags & AVFMT_FLAG_NOPARSE)) {
st->parser = av_parser_init(st->codec->codec_id);
if (!st->parser) {
+ av_log(s, AV_LOG_WARNING, "parser not found for codec "
+ "%s, packets or times may be invalid.\n",
+ avcodec_get_name(st->codec->codec_id));
/* no parser available: just output the raw packets */
st->need_parsing = AVSTREAM_PARSE_NONE;
}else if(st->need_parsing == AVSTREAM_PARSE_HEADERS){
}
}
if(s->debug & FF_FDEBUG_TS)
- av_log(s, AV_LOG_DEBUG, "av_read_frame_internal stream=%d, pts=%"PRId64", dts=%"PRId64", size=%d, duration=%d, flags=%d\n",
+ av_log(s, AV_LOG_DEBUG, "read_frame_internal stream=%d, pts=%"PRId64", dts=%"PRId64", size=%d, duration=%d, flags=%d\n",
pkt->stream_index,
pkt->pts,
pkt->dts,
}
}
if(genpts){
- int ret= av_read_frame_internal(s, pkt);
+ int ret= read_frame_internal(s, pkt);
if(ret<0){
if(pktl && ret != AVERROR(EAGAIN)){
eof=1;
return AVERROR(ENOMEM);
}else{
assert(!s->packet_buffer);
- return av_read_frame_internal(s, pkt);
+ return read_frame_internal(s, pkt);
}
}
}
return pos;
}
-static int av_seek_frame_byte(AVFormatContext *s, int stream_index, int64_t pos, int flags){
+static int seek_frame_byte(AVFormatContext *s, int stream_index, int64_t pos, int flags){
int64_t pos_min, pos_max;
#if 0
AVStream *st;
return 0;
}
-static int av_seek_frame_generic(AVFormatContext *s,
+static int seek_frame_generic(AVFormatContext *s,
int stream_index, int64_t timestamp, int flags)
{
int index;
ff_read_frame_flush(s);
if(flags & AVSEEK_FLAG_BYTE)
- return av_seek_frame_byte(s, stream_index, timestamp, flags);
+ return seek_frame_byte(s, stream_index, timestamp, flags);
if(stream_index < 0){
stream_index= av_find_default_stream_index(s);
return -1;
st= s->streams[stream_index];
- /* timestamp for default must be expressed in AV_TIME_BASE units */
+ /* timestamp for default must be expressed in AV_TIME_BASE units */
timestamp = av_rescale(timestamp, st->time_base.den, AV_TIME_BASE * (int64_t)st->time_base.num);
}
if(s->iformat->read_timestamp && !(s->iformat->flags & AVFMT_NOBINSEARCH))
return av_seek_frame_binary(s, stream_index, timestamp, flags);
else if (!(s->iformat->flags & AVFMT_NOGENSEARCH))
- return av_seek_frame_generic(s, stream_index, timestamp, flags);
+ return seek_frame_generic(s, stream_index, timestamp, flags);
else
return -1;
}
if(s->iformat->read_seek || 1)
return av_seek_frame(s, stream_index, ts, flags | (ts - min_ts > (uint64_t)(max_ts - ts) ? AVSEEK_FLAG_BACKWARD : 0));
- // try some generic seek like av_seek_frame_generic() but with new ts semantics
+ // try some generic seek like seek_frame_generic() but with new ts semantics
}
/*******************************************************/
*
* @return TRUE if the stream has accurate duration for at least one component.
*/
-static int av_has_duration(AVFormatContext *ic)
+static int has_duration(AVFormatContext *ic)
{
int i;
AVStream *st;
*
* Also computes the global bitrate if possible.
*/
-static void av_update_stream_timings(AVFormatContext *ic)
+static void update_stream_timings(AVFormatContext *ic)
{
int64_t start_time, start_time1, start_time_text, end_time, end_time1;
int64_t duration, duration1;
int i;
AVStream *st;
- av_update_stream_timings(ic);
+ update_stream_timings(ic);
for(i = 0;i < ic->nb_streams; i++) {
st = ic->streams[i];
if (st->start_time == AV_NOPTS_VALUE) {
}
}
-static void av_estimate_timings_from_bit_rate(AVFormatContext *ic)
+static void estimate_timings_from_bit_rate(AVFormatContext *ic)
{
int64_t filesize, duration;
int bit_rate, i;
#define DURATION_MAX_RETRY 3
/* only usable for MPEG-PS streams */
-static void av_estimate_timings_from_pts(AVFormatContext *ic, int64_t old_offset)
+static void estimate_timings_from_pts(AVFormatContext *ic, int64_t old_offset)
{
AVPacket pkt1, *pkt = &pkt1;
AVStream *st;
for (i=0; i<ic->nb_streams; i++) {
st = ic->streams[i];
if (st->start_time == AV_NOPTS_VALUE && st->first_dts == AV_NOPTS_VALUE)
- av_log(st->codec, AV_LOG_WARNING, "start time is not set in av_estimate_timings_from_pts\n");
+ av_log(st->codec, AV_LOG_WARNING, "start time is not set in estimate_timings_from_pts\n");
if (st->parser) {
av_parser_close(st->parser);
filesize = ic->file_size;
end_time = AV_NOPTS_VALUE;
do{
- offset = filesize - (DURATION_MAX_READ_SIZE<<retry);
- if (offset < 0)
- offset = 0;
+ offset = filesize - (DURATION_MAX_READ_SIZE<<retry);
+ if (offset < 0)
+ offset = 0;
- avio_seek(ic->pb, offset, SEEK_SET);
- read_size = 0;
- for(;;) {
- if (read_size >= DURATION_MAX_READ_SIZE<<(FFMAX(retry-1,0)))
- break;
+ avio_seek(ic->pb, offset, SEEK_SET);
+ read_size = 0;
+ for(;;) {
+ if (read_size >= DURATION_MAX_READ_SIZE<<(FFMAX(retry-1,0)))
+ break;
- do{
- ret = av_read_packet(ic, pkt);
- }while(ret == AVERROR(EAGAIN));
- if (ret != 0)
- break;
- read_size += pkt->size;
- st = ic->streams[pkt->stream_index];
- if (pkt->pts != AV_NOPTS_VALUE &&
- (st->start_time != AV_NOPTS_VALUE ||
- st->first_dts != AV_NOPTS_VALUE)) {
- duration = end_time = pkt->pts;
- if (st->start_time != AV_NOPTS_VALUE) duration -= st->start_time;
- else duration -= st->first_dts;
- if (duration < 0)
- duration += 1LL<<st->pts_wrap_bits;
- if (duration > 0) {
- if (st->duration == AV_NOPTS_VALUE ||
- st->duration < duration)
- st->duration = duration;
+ do {
+ ret = av_read_packet(ic, pkt);
+ } while(ret == AVERROR(EAGAIN));
+ if (ret != 0)
+ break;
+ read_size += pkt->size;
+ st = ic->streams[pkt->stream_index];
+ if (pkt->pts != AV_NOPTS_VALUE &&
+ (st->start_time != AV_NOPTS_VALUE ||
+ st->first_dts != AV_NOPTS_VALUE)) {
+ duration = end_time = pkt->pts;
+ if (st->start_time != AV_NOPTS_VALUE)
+ duration -= st->start_time;
+ else
+ duration -= st->first_dts;
+ if (duration < 0)
+ duration += 1LL<<st->pts_wrap_bits;
+ if (duration > 0) {
+ if (st->duration == AV_NOPTS_VALUE || st->duration < duration)
+ st->duration = duration;
+ }
}
+ av_free_packet(pkt);
}
- av_free_packet(pkt);
- }
}while( end_time==AV_NOPTS_VALUE
&& filesize > (DURATION_MAX_READ_SIZE<<retry)
&& ++retry <= DURATION_MAX_RETRY);
}
}
-static void av_estimate_timings(AVFormatContext *ic, int64_t old_offset)
+static void estimate_timings(AVFormatContext *ic, int64_t old_offset)
{
int64_t file_size;
!strcmp(ic->iformat->name, "mpegts")) &&
file_size && ic->pb->seekable) {
/* get accurate estimate from the PTSes */
- av_estimate_timings_from_pts(ic, old_offset);
- } else if (av_has_duration(ic)) {
+ estimate_timings_from_pts(ic, old_offset);
+ } else if (has_duration(ic)) {
/* at least one component has timings - we use them for all
the components */
fill_all_stream_timings(ic);
} else {
av_log(ic, AV_LOG_WARNING, "Estimating duration from bitrate, this may be inaccurate\n");
/* less precise: use bitrate info */
- av_estimate_timings_from_bit_rate(ic);
+ estimate_timings_from_bit_rate(ic);
}
- av_update_stream_timings(ic);
+ update_stream_timings(ic);
-#if 0
{
int i;
AVStream av_unused *st;
for(i = 0;i < ic->nb_streams; i++) {
st = ic->streams[i];
- printf("%d: start_time: %0.3f duration: %0.3f\n",
- i, (double)st->start_time / AV_TIME_BASE,
- (double)st->duration / AV_TIME_BASE);
+ av_dlog(ic, "%d: start_time: %0.3f duration: %0.3f\n", i,
+ (double) st->start_time / AV_TIME_BASE,
+ (double) st->duration / AV_TIME_BASE);
}
- printf("stream: start_time: %0.3f duration: %0.3f bitrate=%d kb/s\n",
- (double)ic->start_time / AV_TIME_BASE,
- (double)ic->duration / AV_TIME_BASE,
- ic->bit_rate / 1000);
+ av_dlog(ic, "stream: start_time: %0.3f duration: %0.3f bitrate=%d kb/s\n",
+ (double) ic->start_time / AV_TIME_BASE,
+ (double) ic->duration / AV_TIME_BASE,
+ ic->bit_rate / 1000);
}
-#endif
}
-static int has_codec_parameters(AVCodecContext *enc)
+static int has_codec_parameters(AVCodecContext *avctx)
{
int val;
- switch(enc->codec_type) {
+ switch (avctx->codec_type) {
case AVMEDIA_TYPE_AUDIO:
- val = enc->sample_rate && enc->channels && enc->sample_fmt != AV_SAMPLE_FMT_NONE;
- if(!enc->frame_size &&
- (enc->codec_id == CODEC_ID_VORBIS ||
- enc->codec_id == CODEC_ID_AAC ||
- enc->codec_id == CODEC_ID_MP1 ||
- enc->codec_id == CODEC_ID_MP2 ||
- enc->codec_id == CODEC_ID_MP3 ||
- enc->codec_id == CODEC_ID_SPEEX ||
- enc->codec_id == CODEC_ID_CELT))
+ val = avctx->sample_rate && avctx->channels && avctx->sample_fmt != AV_SAMPLE_FMT_NONE;
+ if(!avctx->frame_size &&
+ (avctx->codec_id == CODEC_ID_VORBIS ||
+ avctx->codec_id == CODEC_ID_AAC ||
+ avctx->codec_id == CODEC_ID_MP1 ||
+ avctx->codec_id == CODEC_ID_MP2 ||
+ avctx->codec_id == CODEC_ID_MP3 ||
+ avctx->codec_id == CODEC_ID_SPEEX ||
+ avctx->codec_id == CODEC_ID_CELT))
return 0;
break;
case AVMEDIA_TYPE_VIDEO:
- val = enc->width && enc->pix_fmt != PIX_FMT_NONE;
+ val = avctx->width && avctx->pix_fmt != PIX_FMT_NONE;
break;
default:
val = 1;
break;
}
- return enc->codec_id != CODEC_ID_NONE && val != 0;
+ return avctx->codec_id != CODEC_ID_NONE && val != 0;
}
static int has_decode_delay_been_guessed(AVStream *st)
/* NOTE: a new stream can be added there if no header in file
(AVFMTCTX_NOHEADER) */
- ret = av_read_frame_internal(ic, &pkt1);
+ ret = read_frame_internal(ic, &pkt1);
if (ret == AVERROR(EAGAIN))
continue;
least one frame of codec data, this makes sure the codec initializes
the channel configuration and does not only trust the values from the container.
*/
- try_decode_frame(st, pkt, (options && i <= orig_nb_streams )? &options[i] : NULL);
+ try_decode_frame(st, pkt, (options && i < orig_nb_streams )? &options[i] : NULL);
st->codec_info_nb_frames++;
count++;
}
}
- av_estimate_timings(ic, old_offset);
+ estimate_timings(ic, old_offset);
compute_chapters_end(ic);
return ret;
}
-static AVProgram *find_program_from_stream(AVFormatContext *ic, int s)
+AVProgram *av_find_program_from_stream(AVFormatContext *ic, AVProgram *last, int s)
{
int i, j;
- for (i = 0; i < ic->nb_programs; i++)
- for (j = 0; j < ic->programs[i]->nb_stream_indexes; j++)
- if (ic->programs[i]->stream_index[j] == s)
- return ic->programs[i];
+ for (i = 0; i < ic->nb_programs; i++) {
+ if (ic->programs[i] == last) {
+ last = NULL;
+ } else {
+ if (!last)
+ for (j = 0; j < ic->programs[i]->nb_stream_indexes; j++)
+ if (ic->programs[i]->stream_index[j] == s)
+ return ic->programs[i];
+ }
+ }
return NULL;
}
AVCodec *decoder = NULL, *best_decoder = NULL;
if (related_stream >= 0 && wanted_stream_nb < 0) {
- AVProgram *p = find_program_from_stream(ic, related_stream);
+ AVProgram *p = av_find_program_from_stream(ic, NULL, related_stream);
if (p) {
program = p->stream_index;
nb_streams = p->nb_stream_indexes;
av_dict_copy(&tmp, *options, 0);
if ((ret = av_opt_set_dict(s, &tmp)) < 0)
goto fail;
+ if (s->priv_data && s->oformat->priv_class && *(const AVClass**)s->priv_data==s->oformat->priv_class &&
+ (ret = av_opt_set_dict(s->priv_data, &tmp)) < 0)
+ goto fail;
// some sanity checks
if (s->nb_streams == 0 && !(s->oformat->flags & AVFMT_NOSTREAMS)) {
ret = AVERROR_INVALIDDATA;
goto fail;
}
- av_frac_init(&st->pts, 0, 0, den);
+ frac_init(&st->pts, 0, 0, den);
}
}
likely equal to the encoder delay, but it would be better if we
had the real timestamps from the encoder */
if (frame_size >= 0 && (pkt->size || st->pts.num!=st->pts.den>>1 || st->pts.val)) {
- av_frac_add(&st->pts, (int64_t)st->time_base.den * frame_size);
+ frac_add(&st->pts, (int64_t)st->time_base.den * frame_size);
}
break;
case AVMEDIA_TYPE_VIDEO:
- av_frac_add(&st->pts, (int64_t)st->time_base.den * st->codec->time_base.num);
+ frac_add(&st->pts, (int64_t)st->time_base.den * st->codec->time_base.num);
break;
default:
break;
* @return 1 if a packet was output, 0 if no packet could be output,
* < 0 if an error occurred
*/
-static int av_interleave_packet(AVFormatContext *s, AVPacket *out, AVPacket *in, int flush){
+static int interleave_packet(AVFormatContext *s, AVPacket *out, AVPacket *in, int flush){
if(s->oformat->interleave_packet)
return s->oformat->interleave_packet(s, out, in, flush);
else
for(;;){
AVPacket opkt;
- int ret= av_interleave_packet(s, &opkt, pkt, 0);
+ int ret= interleave_packet(s, &opkt, pkt, 0);
if(ret<=0) //FIXME cleanup needed for ret<0 ?
return ret;
for(;;){
AVPacket pkt;
- ret= av_interleave_packet(s, &pkt, NULL, 1);
+ ret= interleave_packet(s, &pkt, NULL, 1);
if(ret<0) //FIXME cleanup needed for ret<0 ?
goto fail;
if(!ret)
st->codec->width*st->sample_aspect_ratio.num,
st->codec->height*st->sample_aspect_ratio.den,
1024*1024);
- av_log(NULL, AV_LOG_INFO, ", PAR %d:%d DAR %d:%d",
+ av_log(NULL, AV_LOG_INFO, ", SAR %d:%d DAR %d:%d",
st->sample_aspect_ratio.num, st->sample_aspect_ratio.den,
display_aspect_ratio.num, display_aspect_ratio.den);
}
return 0;
#endif
}
+
+int avformat_query_codec(AVOutputFormat *ofmt, enum CodecID codec_id, int std_compliance)
+{
+ if (ofmt) {
+ if (ofmt->query_codec)
+ return ofmt->query_codec(codec_id, std_compliance);
+ else if (ofmt->codec_tag)
+ return !!av_codec_get_tag(ofmt->codec_tag, codec_id);
+ else if (codec_id == ofmt->video_codec || codec_id == ofmt->audio_codec ||
+ codec_id == ofmt->subtitle_codec)
+ return 1;
+ }
+ return AVERROR_PATCHWELCOME;
+}
projects / ffmpeg / blobdiff