/*
- * various utility functions for use within Libav
+ * various utility functions for use within FFmpeg
* Copyright (c) 2000, 2001, 2002 Fabrice Bellard
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg 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 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "avio_internal.h"
#include "internal.h"
#include "libavcodec/internal.h"
+#include "libavcodec/raw.h"
#include "libavutil/opt.h"
#include "libavutil/dict.h"
#include "libavutil/pixdesc.h"
/**
* @file
- * various utility functions for use within Libav
+ * various utility functions for use within FFmpeg
*/
unsigned avformat_version(void)
const char *avformat_configuration(void)
{
- return LIBAV_CONFIGURATION;
+ return FFMPEG_CONFIGURATION;
}
const char *avformat_license(void)
{
#define LICENSE_PREFIX "libavformat license: "
- return LICENSE_PREFIX LIBAV_LICENSE + sizeof(LICENSE_PREFIX) - 1;
+ return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1;
}
/* fraction handling */
return filename && (av_get_frame_filename(buf, sizeof(buf), filename, 1)>=0);
}
-AVInputFormat *av_probe_input_format2(AVProbeData *pd, int is_opened, int *score_max)
+AVInputFormat *av_probe_input_format3(AVProbeData *pd, int is_opened, int *score_ret)
{
AVProbeData lpd = *pd;
AVInputFormat *fmt1 = NULL, *fmt;
- int score, id3 = 0;
+ int score, score_max=0;
if (lpd.buf_size > 10 && ff_id3v2_match(lpd.buf, ID3v2_DEFAULT_MAGIC)) {
int id3len = ff_id3v2_tag_len(lpd.buf);
lpd.buf += id3len;
lpd.buf_size -= id3len;
}
- id3 = 1;
}
fmt = NULL;
score = 0;
if (fmt1->read_probe) {
score = fmt1->read_probe(&lpd);
+ if(!score && fmt1->extensions && av_match_ext(lpd.filename, fmt1->extensions))
+ score = 1;
} else if (fmt1->extensions) {
if (av_match_ext(lpd.filename, fmt1->extensions)) {
score = 50;
}
}
- if (score > *score_max) {
- *score_max = score;
+ if (score > score_max) {
+ score_max = score;
fmt = fmt1;
- }else if (score == *score_max)
+ }else if (score == score_max)
fmt = NULL;
}
-
- /* a hack for files with huge id3v2 tags -- try to guess by file extension. */
- if (!fmt && id3 && *score_max < AVPROBE_SCORE_MAX/4) {
- while ((fmt = av_iformat_next(fmt)))
- if (fmt->extensions && av_match_ext(lpd.filename, fmt->extensions)) {
- *score_max = AVPROBE_SCORE_MAX/4;
- break;
- }
- }
-
+ *score_ret= score_max;
return fmt;
}
+AVInputFormat *av_probe_input_format2(AVProbeData *pd, int is_opened, int *score_max)
+{
+ int score_ret;
+ AVInputFormat *fmt= av_probe_input_format3(pd, is_opened, &score_ret);
+ if(score_ret > *score_max){
+ *score_max= score_ret;
+ return fmt;
+ }else
+ return NULL;
+}
+
AVInputFormat *av_probe_input_format(AVProbeData *pd, int is_opened){
int score=0;
return av_probe_input_format2(pd, is_opened, &score);
}
-static int set_codec_from_probe_data(AVFormatContext *s, AVStream *st, AVProbeData *pd, int score)
+static int set_codec_from_probe_data(AVFormatContext *s, AVStream *st, AVProbeData *pd)
{
static const struct {
const char *name; enum CodecID id; enum AVMediaType type;
{ "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 },
{ 0 }
};
- AVInputFormat *fmt = av_probe_input_format2(pd, 1, &score);
+ int score;
+ AVInputFormat *fmt = av_probe_input_format3(pd, 1, &score);
if (fmt) {
int i;
}
}
}
- return !!fmt;
+ return score;
}
/************************************************************/
if (!ap)
return NULL;
+ AV_NOWARN_DEPRECATED(
if (ap->time_base.num) {
snprintf(buf, sizeof(buf), "%d/%d", ap->time_base.den, ap->time_base.num);
av_dict_set(&opts, "framerate", buf, 0);
if (ap->initial_pause) {
av_dict_set(&opts, "initial_pause", "1", 0);
}
+ )
return opts;
}
}
opts = convert_format_parameters(ap);
+ AV_NOWARN_DEPRECATED(
if(!ap->prealloced_context)
- ic = avformat_alloc_context();
+ *ic_ptr = ic = avformat_alloc_context();
else
ic = *ic_ptr;
+ )
if (!ic) {
err = AVERROR(ENOMEM);
goto fail;
}
#endif
+int av_demuxer_open(AVFormatContext *ic, AVFormatParameters *ap){
+ int err;
+
+ if (ic->iformat->read_header) {
+ err = ic->iformat->read_header(ic, ap);
+ if (err < 0)
+ return err;
+ }
+
+ if (ic->pb && !ic->data_offset)
+ ic->data_offset = avio_tell(ic->pb);
+
+ return 0;
+}
+
+
/** size of probe buffer, for guessing file type from file contents */
#define PROBE_BUF_MIN 2048
#define PROBE_BUF_MAX (1<<20)
probe_size = FFMIN(probe_size<<1, FFMAX(max_probe_size, probe_size+1))) {
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) {
*fmt = av_probe_input_format2(&pd, 1, &score);
if(*fmt){
if(score <= AVPROBE_SCORE_MAX/4){ //this can only be true in the last iteration
- av_log(logctx, AV_LOG_WARNING, "Format detected only with low score of %d, misdetection possible!\n", score);
+ av_log(logctx, AV_LOG_WARNING, "Format %s detected only with low score of %d, misdetection possible!\n", (*fmt)->name, score);
}else
- av_log(logctx, AV_LOG_DEBUG, "Probed with size=%d and score=%d\n", probe_size, score);
+ av_log(logctx, AV_LOG_DEBUG, "Format %s probed with size=%d and score=%d\n", (*fmt)->name, probe_size, score);
}
}
int err;
AVDictionary *opts = convert_format_parameters(ap);
+ AV_NOWARN_DEPRECATED(
if (!ap || !ap->prealloced_context)
*ic_ptr = NULL;
+ )
err = avformat_open_input(ic_ptr, filename, fmt, &opts);
if (!s->iformat)
return av_probe_input_buffer(s->pb, &s->iformat, filename, s, 0, 0);
else if (s->iformat->flags & AVFMT_NOFILE)
- return AVERROR(EINVAL);
+ av_log(s, AV_LOG_WARNING, "Custom AVIOContext makes no sense and "
+ "will be ignored with AVFMT_NOFILE format.\n");
return 0;
}
if (s->pb)
ff_id3v2_read(s, ID3v2_DEFAULT_MAGIC);
- if (s->iformat->read_header)
+ if (!(s->flags&AVFMT_FLAG_PRIV_OPT) && s->iformat->read_header)
if ((ret = s->iformat->read_header(s, &ap)) < 0)
goto fail;
- if (s->pb && !s->data_offset)
+ if (!(s->flags&AVFMT_FLAG_PRIV_OPT) && s->pb && !s->data_offset)
s->data_offset = avio_tell(s->pb);
s->raw_packet_buffer_remaining_size = RAW_PACKET_BUFFER_SIZE;
if (pktl) {
*pkt = pktl->pkt;
- if(s->streams[pkt->stream_index]->codec->codec_id != CODEC_ID_PROBE ||
- !s->streams[pkt->stream_index]->probe_packets ||
- s->raw_packet_buffer_remaining_size < pkt->size){
- AVProbeData *pd = &s->streams[pkt->stream_index]->probe_data;
- av_freep(&pd->buf);
- pd->buf_size = 0;
+ if(s->streams[pkt->stream_index]->request_probe <= 0){
s->raw_packet_buffer = pktl->next;
s->raw_packet_buffer_remaining_size += pkt->size;
av_free(pktl);
if (!pktl || ret == AVERROR(EAGAIN))
return ret;
for (i = 0; i < s->nb_streams; i++)
- s->streams[i]->probe_packets = 0;
+ if(s->streams[i]->request_probe > 0)
+ s->streams[i]->request_probe = -1;
continue;
}
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){
break;
}
- if(!pktl && (st->codec->codec_id != CODEC_ID_PROBE ||
- !st->probe_packets))
+ if(!pktl && st->request_probe <= 0)
return ret;
add_to_pktbuf(&s->raw_packet_buffer, pkt, &s->raw_packet_buffer_end);
s->raw_packet_buffer_remaining_size -= pkt->size;
- if(st->codec->codec_id == CODEC_ID_PROBE){
+ if(st->request_probe>0){
AVProbeData *pd = &st->probe_data;
- av_log(s, AV_LOG_DEBUG, "probing stream %d\n", st->index);
+ int end;
+ av_log(s, AV_LOG_DEBUG, "probing stream %d pp:%d\n", st->index, st->probe_packets);
--st->probe_packets;
pd->buf = av_realloc(pd->buf, pd->buf_size+pkt->size+AVPROBE_PADDING_SIZE);
pd->buf_size += pkt->size;
memset(pd->buf+pd->buf_size, 0, AVPROBE_PADDING_SIZE);
- if(av_log2(pd->buf_size) != av_log2(pd->buf_size - pkt->size)){
- //FIXME we dont reduce score to 0 for the case of running out of buffer space in bytes
- set_codec_from_probe_data(s, st, pd, st->probe_packets > 0 ? AVPROBE_SCORE_MAX/4 : 0);
- if(st->codec->codec_id != CODEC_ID_PROBE){
+ end= s->raw_packet_buffer_remaining_size <= 0
+ || st->probe_packets<=0;
+
+ if(end || av_log2(pd->buf_size) != av_log2(pd->buf_size - pkt->size)){
+ int score= set_codec_from_probe_data(s, st, pd);
+ if( (st->codec->codec_id != CODEC_ID_NONE && score > AVPROBE_SCORE_MAX/4)
+ || end){
pd->buf_size=0;
av_freep(&pd->buf);
+ st->request_probe= -1;
+ if(st->codec->codec_id != CODEC_ID_NONE){
av_log(s, AV_LOG_DEBUG, "probed stream %d\n", st->index);
+ }else
+ av_log(s, AV_LOG_WARNING, "probed stream %d failed\n", st->index);
}
}
}
case CODEC_ID_MJPEG:
case CODEC_ID_MJPEGB:
case CODEC_ID_LJPEG:
+ case CODEC_ID_PRORES:
case CODEC_ID_RAWVIDEO:
case CODEC_ID_DVVIDEO:
case CODEC_ID_HUFFYUV:
pc && pc->pict_type != AV_PICTURE_TYPE_B)
presentation_delayed = 1;
- if(pkt->pts != AV_NOPTS_VALUE && pkt->dts != AV_NOPTS_VALUE && pkt->dts > pkt->pts && st->pts_wrap_bits<63
- /*&& pkt->dts-(1LL<<st->pts_wrap_bits) < pkt->pts*/){
+ if(pkt->pts != AV_NOPTS_VALUE && pkt->dts != AV_NOPTS_VALUE && pkt->dts - (1LL<<(st->pts_wrap_bits-1)) > pkt->pts && st->pts_wrap_bits<63){
pkt->dts -= 1LL<<st->pts_wrap_bits;
}
// we take the conservative approach and discard both
// Note, if this is misbehaving for a H.264 file then possibly presentation_delayed is not set correctly.
if(delay==1 && pkt->dts == pkt->pts && pkt->dts != AV_NOPTS_VALUE && presentation_delayed){
- av_log(s, AV_LOG_DEBUG, "invalid dts/pts combination\n");
+ av_log(s, AV_LOG_DEBUG, "invalid dts/pts combination %"PRIi64"\n", pkt->dts);
pkt->dts= pkt->pts= AV_NOPTS_VALUE;
}
if (!st->need_parsing || !st->parser) {
/* no parsing needed: we just output the packet as is */
/* raw data support */
- *pkt = st->cur_pkt; st->cur_pkt.data= NULL;
+ *pkt = st->cur_pkt;
+ st->cur_pkt.data= NULL;
+ st->cur_pkt.side_data_elems = 0;
+ st->cur_pkt.side_data = NULL;
compute_pkt_fields(s, st, NULL, pkt);
s->cur_st = NULL;
if ((s->iformat->flags & AVFMT_GENERIC_INDEX) &&
compute_pkt_fields(s, st, st->parser, pkt);
if((s->iformat->flags & AVFMT_GENERIC_INDEX) && pkt->flags & AV_PKT_FLAG_KEY){
+ int64_t pos= (st->parser->flags & PARSER_FLAG_COMPLETE_FRAMES) ? pkt->pos : st->parser->frame_offset;
ff_reduce_index(s, st->index);
- av_add_index_entry(st, st->parser->frame_offset, pkt->dts,
+ av_add_index_entry(st, pos, pkt->dts,
0, 0, AVINDEX_KEYFRAME);
}
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){
return -1;
ff_read_frame_flush(s);
+ AV_NOWARN_DEPRECATED(
if (s->iformat->read_seek){
if(s->iformat->read_seek(s, stream_index, timestamp, flags) >= 0)
return 0;
}
+ )
ie = &st->index_entries[index];
if ((ret = avio_seek(s->pb, ie->pos, SEEK_SET)) < 0)
return ret;
}
/* first, we try the format specific seek */
+ AV_NOWARN_DEPRECATED(
if (s->iformat->read_seek)
ret = s->iformat->read_seek(s, stream_index, timestamp, flags);
else
ret = -1;
+ )
if (ret >= 0) {
return 0;
}
//Fallback to old API if new is not implemented but old is
//Note the old has somewat different sematics
+ AV_NOWARN_DEPRECATED(
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 seek_frame_generic() but with new ts semantics
}
{
int i;
AVStream *st;
+ if(ic->duration != AV_NOPTS_VALUE)
+ return 1;
for(i = 0;i < ic->nb_streams; i++) {
st = ic->streams[i];
*/
static void update_stream_timings(AVFormatContext *ic)
{
- int64_t start_time, start_time1, end_time, end_time1;
+ int64_t start_time, start_time1, start_time_text, end_time, end_time1;
int64_t duration, duration1;
int i;
AVStream *st;
start_time = INT64_MAX;
+ start_time_text = INT64_MAX;
end_time = INT64_MIN;
duration = INT64_MIN;
for(i = 0;i < ic->nb_streams; i++) {
st = ic->streams[i];
if (st->start_time != AV_NOPTS_VALUE && st->time_base.den) {
start_time1= av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q);
+ if (st->codec->codec_id == CODEC_ID_DVB_TELETEXT || st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
+ if (start_time1 < start_time_text)
+ start_time_text = start_time1;
+ } else
if (start_time1 < start_time)
start_time = start_time1;
if (st->duration != AV_NOPTS_VALUE) {
duration = duration1;
}
}
+ if (start_time == INT64_MAX || (start_time > start_time_text && start_time - start_time_text < AV_TIME_BASE))
+ start_time = start_time_text;
if (start_time != INT64_MAX) {
ic->start_time = start_time;
if (end_time != INT64_MIN) {
duration = end_time - start_time;
}
}
- if (duration != INT64_MIN) {
+ if (duration != INT64_MIN && ic->duration == AV_NOPTS_VALUE) {
ic->duration = duration;
- if (ic->file_size > 0) {
+ }
+ if (ic->file_size > 0 && ic->duration != AV_NOPTS_VALUE) {
/* compute the bitrate */
ic->bit_rate = (double)ic->file_size * 8.0 * AV_TIME_BASE /
(double)ic->duration;
}
- }
}
static void fill_all_stream_timings(AVFormatContext *ic)
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_SPEEX ||
+ avctx->codec_id == CODEC_ID_CELT))
return 0;
break;
case AVMEDIA_TYPE_VIDEO:
val = avctx->width && avctx->pix_fmt != PIX_FMT_NONE;
break;
+ case AVMEDIA_TYPE_DATA:
+ if(avctx->codec_id == CODEC_ID_NONE) return 1;
default:
val = 1;
break;
//try to just open decoders, in case this is enough to get parameters
if(!has_codec_parameters(st->codec)){
- if (codec && !st->codec->codec)
- avcodec_open2(st->codec, codec, options ? &options[i] : NULL);
+ if (codec && !st->codec->codec){
+ AVDictionary *tmp = NULL;
+ if (options){
+ av_dict_copy(&tmp, options[i], 0);
+ av_dict_set(&tmp, "threads", 0, 0);
+ }
+ avcodec_open2(st->codec, codec, options ? &tmp : NULL);
+ av_dict_free(&tmp);
+ }
}
}
break;
if(st->parser && st->parser->parser->split && !st->codec->extradata)
break;
- if(st->first_dts == AV_NOPTS_VALUE)
+ if(st->first_dts == AV_NOPTS_VALUE && (st->codec->codec_type == AVMEDIA_TYPE_VIDEO || st->codec->codec_type == AVMEDIA_TYPE_AUDIO))
break;
}
if (i == ic->nb_streams) {
st = ic->streams[pkt->stream_index];
if (st->codec_info_nb_frames>1) {
- if (st->time_base.den > 0 && av_rescale_q(st->info->codec_info_duration, st->time_base, AV_TIME_BASE_Q) >= ic->max_analyze_duration) {
- av_log(ic, AV_LOG_WARNING, "max_analyze_duration reached\n");
+ int64_t t;
+ if (st->time_base.den > 0 && (t=av_rescale_q(st->info->codec_info_duration, st->time_base, AV_TIME_BASE_Q)) >= ic->max_analyze_duration) {
+ av_log(ic, AV_LOG_WARNING, "max_analyze_duration %d reached at %"PRId64"\n", ic->max_analyze_duration, t);
break;
}
st->info->codec_info_duration += pkt->duration;
int64_t duration= pkt->dts - last;
if(pkt->dts != AV_NOPTS_VALUE && last != AV_NOPTS_VALUE && duration>0){
- double dur= duration * av_q2d(st->time_base);
+ double dts= pkt->dts * av_q2d(st->time_base);
// if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
// av_log(NULL, AV_LOG_ERROR, "%f\n", dur);
- if (st->info->duration_count < 2)
- memset(st->info->duration_error, 0, sizeof(st->info->duration_error));
- for (i=1; i<FF_ARRAY_ELEMS(st->info->duration_error); i++) {
+ for (i=1; i<FF_ARRAY_ELEMS(st->info->duration_error[0][0]); i++) {
int framerate= get_std_framerate(i);
- int ticks= lrintf(dur*framerate/(1001*12));
- double error= dur - ticks*1001*12/(double)framerate;
- st->info->duration_error[i] += error*error;
+ double sdts= dts*framerate/(1001*12);
+ for(j=0; j<2; j++){
+ int ticks= lrintf(sdts+j*0.5);
+ double error= sdts - ticks + j*0.5;
+ st->info->duration_error[j][0][i] += error;
+ st->info->duration_error[j][1][i] += error*error;
+ }
}
st->info->duration_count++;
// ignore the first 4 values, they might have some random jitter
(st->codec_info_nb_frames-2)*(int64_t)st->time_base.den,
st->info->codec_info_duration*(int64_t)st->time_base.num, 60000);
if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
- if(st->codec->codec_id == CODEC_ID_RAWVIDEO && !st->codec->codec_tag && !st->codec->bits_per_coded_sample)
- st->codec->codec_tag= avcodec_pix_fmt_to_codec_tag(st->codec->pix_fmt);
+ if(st->codec->codec_id == CODEC_ID_RAWVIDEO && !st->codec->codec_tag && !st->codec->bits_per_coded_sample){
+ uint32_t tag= avcodec_pix_fmt_to_codec_tag(st->codec->pix_fmt);
+ if(ff_find_pix_fmt(ff_raw_pix_fmt_tags, tag) == st->codec->pix_fmt)
+ st->codec->codec_tag= tag;
+ }
// the check for tb_unreliable() is not completely correct, since this is not about handling
// a unreliable/inexact time base, but a time base that is finer than necessary, as e.g.
// ipmovie.c produces.
- if (tb_unreliable(st->codec) && st->info->duration_count > 15 && st->info->duration_gcd > 1 && !st->r_frame_rate.num)
+ if (tb_unreliable(st->codec) && st->info->duration_count > 15 && st->info->duration_gcd > FFMAX(1, st->time_base.den/(500LL*st->time_base.num)) && !st->r_frame_rate.num)
av_reduce(&st->r_frame_rate.num, &st->r_frame_rate.den, st->time_base.den, st->time_base.num * st->info->duration_gcd, INT_MAX);
if (st->info->duration_count && !st->r_frame_rate.num
&& tb_unreliable(st->codec) /*&&
//FIXME we should not special-case MPEG-2, but this needs testing with non-MPEG-2 ...
st->time_base.num*duration_sum[i]/st->info->duration_count*101LL > st->time_base.den*/){
int num = 0;
- double best_error= 2*av_q2d(st->time_base);
- best_error = best_error*best_error*st->info->duration_count*1000*12*30;
-
- for (j=1; j<FF_ARRAY_ELEMS(st->info->duration_error); j++) {
- double error = st->info->duration_error[j] * get_std_framerate(j);
-// if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
-// av_log(NULL, AV_LOG_ERROR, "%f %f\n", get_std_framerate(j) / 12.0/1001, error);
- if(error < best_error){
- best_error= error;
- num = get_std_framerate(j);
+ double best_error= 0.01;
+
+ for (j=1; j<FF_ARRAY_ELEMS(st->info->duration_error[0][0]); j++) {
+ int k;
+
+ if(st->info->codec_info_duration && st->info->codec_info_duration*av_q2d(st->time_base) < (1001*12.0)/get_std_framerate(j))
+ continue;
+ for(k=0; k<2; k++){
+ int n= st->info->duration_count;
+ double a= st->info->duration_error[k][0][j] / n;
+ double error= st->info->duration_error[k][1][j]/n - a*a;
+
+ if(error < best_error && best_error> 0.000000001){
+ best_error= error;
+ num = get_std_framerate(j);
+ }
+ if(error < 0.02)
+ av_log(NULL, AV_LOG_DEBUG, "rfps: %f %f\n", get_std_framerate(j) / 12.0/1001, error);
}
}
// do not increase frame rate by more than 1 % in order to match a standard rate.
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_free_packet(&st->cur_pkt);
}
av_dict_free(&st->metadata);
- av_free(st->index_entries);
- av_free(st->codec->extradata);
- av_free(st->codec->subtitle_header);
- av_free(st->codec);
- av_free(st->priv_data);
- av_free(st->info);
- av_free(st);
+ av_freep(&st->index_entries);
+ av_freep(&st->codec->extradata);
+ av_freep(&st->codec->subtitle_header);
+ av_freep(&st->codec);
+ av_freep(&st->priv_data);
+ av_freep(&st->info);
+ av_freep(&st);
}
for(i=s->nb_programs-1; i>=0; i--) {
av_dict_free(&s->programs[i]->metadata);
av_freep(&s->priv_data);
while(s->nb_chapters--) {
av_dict_free(&s->chapters[s->nb_chapters]->metadata);
- av_free(s->chapters[s->nb_chapters]);
+ av_freep(&s->chapters[s->nb_chapters]);
}
av_freep(&s->chapters);
av_dict_free(&s->metadata);
#if FF_API_FORMAT_PARAMETERS
int av_set_parameters(AVFormatContext *s, AVFormatParameters *ap)
{
- int ret;
-
if (s->oformat->priv_data_size > 0) {
s->priv_data = av_mallocz(s->oformat->priv_data_size);
if (!s->priv_data)
} else
s->priv_data = NULL;
- if (s->oformat->set_parameters) {
- ret = s->oformat->set_parameters(s, ap);
- if (ret < 0)
- return ret;
+ return 0;
+}
+#endif
+
+int avformat_alloc_output_context2(AVFormatContext **avctx, AVOutputFormat *oformat,
+ const char *format, const char *filename)
+{
+ AVFormatContext *s = avformat_alloc_context();
+ int ret = 0;
+
+ *avctx = NULL;
+ if (!s)
+ goto nomem;
+
+ if (!oformat) {
+ if (format) {
+ oformat = av_guess_format(format, NULL, NULL);
+ if (!oformat) {
+ av_log(s, AV_LOG_ERROR, "Requested output format '%s' is not a suitable output format\n", format);
+ ret = AVERROR(EINVAL);
+ goto error;
+ }
+ } else {
+ oformat = av_guess_format(NULL, filename, NULL);
+ if (!oformat) {
+ ret = AVERROR(EINVAL);
+ av_log(s, AV_LOG_ERROR, "Unable to find a suitable output format for '%s'\n",
+ filename);
+ goto error;
+ }
+ }
}
+
+ s->oformat = oformat;
+ if (s->oformat->priv_data_size > 0) {
+ s->priv_data = av_mallocz(s->oformat->priv_data_size);
+ if (!s->priv_data)
+ goto nomem;
+ if (s->oformat->priv_class) {
+ *(const AVClass**)s->priv_data= s->oformat->priv_class;
+ av_opt_set_defaults(s->priv_data);
+ }
+ } else
+ s->priv_data = NULL;
+
+ if (filename)
+ av_strlcpy(s->filename, filename, sizeof(s->filename));
+ *avctx = s;
return 0;
+nomem:
+ av_log(s, AV_LOG_ERROR, "Out of memory\n");
+ ret = AVERROR(ENOMEM);
+error:
+ avformat_free_context(s);
+ return ret;
+}
+
+#if FF_API_ALLOC_OUTPUT_CONTEXT
+AVFormatContext *avformat_alloc_output_context(const char *format,
+ AVOutputFormat *oformat, const char *filename)
+{
+ AVFormatContext *avctx;
+ int ret = avformat_alloc_output_context2(&avctx, oformat, format, filename);
+ return ret < 0 ? NULL : avctx;
}
#endif
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(EINVAL);
goto fail;
}
- if(av_cmp_q(st->sample_aspect_ratio, st->codec->sample_aspect_ratio)){
+ if(av_cmp_q(st->sample_aspect_ratio, st->codec->sample_aspect_ratio)
+ && FFABS(av_q2d(st->sample_aspect_ratio) - av_q2d(st->codec->sample_aspect_ratio)) > 0.001
+ ){
av_log(s, AV_LOG_ERROR, "Aspect ratio mismatch between encoder and muxer layer\n");
ret = AVERROR(EINVAL);
goto fail;
pkt->dts= st->pts_buffer[0];
}
- if(st->cur_dts && st->cur_dts != AV_NOPTS_VALUE && st->cur_dts >= pkt->dts){
+ if(st->cur_dts && st->cur_dts != AV_NOPTS_VALUE && ((!(s->oformat->flags & AVFMT_TS_NONSTRICT) && st->cur_dts >= pkt->dts) || st->cur_dts > pkt->dts)){
av_log(s, AV_LOG_ERROR,
"Application provided invalid, non monotonically increasing dts to muxer in stream %d: %"PRId64" >= %"PRId64"\n",
st->index, st->cur_dts, pkt->dts);
int av_interleave_packet_per_dts(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush){
AVPacketList *pktl;
- int stream_count=0;
+ int stream_count=0, noninterleaved_count=0;
+ int64_t delta_dts_max = 0;
int i;
if(pkt){
ff_interleave_add_packet(s, pkt, ff_interleave_compare_dts);
}
- for(i=0; i < s->nb_streams; i++)
- stream_count+= !!s->streams[i]->last_in_packet_buffer;
+ for(i=0; i < s->nb_streams; i++) {
+ if (s->streams[i]->last_in_packet_buffer) {
+ ++stream_count;
+ } else if(s->streams[i]->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
+ ++noninterleaved_count;
+ }
+ }
- if(stream_count && (s->nb_streams == stream_count || flush)){
+ if (s->nb_streams == stream_count) {
+ flush = 1;
+ } else if (!flush){
+ for(i=0; i < s->nb_streams; i++) {
+ if (s->streams[i]->last_in_packet_buffer) {
+ int64_t delta_dts =
+ av_rescale_q(s->streams[i]->last_in_packet_buffer->pkt.dts,
+ s->streams[i]->time_base,
+ AV_TIME_BASE_Q) -
+ av_rescale_q(s->packet_buffer->pkt.dts,
+ s->streams[s->packet_buffer->pkt.stream_index]->time_base,
+ AV_TIME_BASE_Q);
+ delta_dts_max= FFMAX(delta_dts_max, delta_dts);
+ }
+ }
+ if(s->nb_streams == stream_count+noninterleaved_count &&
+ delta_dts_max > 20*AV_TIME_BASE) {
+ av_log(s, AV_LOG_DEBUG, "flushing with %d noninterleaved\n", noninterleaved_count);
+ flush = 1;
+ }
+ }
+ if(stream_count && flush){
pktl= s->packet_buffer;
*out= pktl->pkt;
if(ret<0)
return ret;
+ if(s->pb && s->pb->error)
+ return s->pb->error;
}
}
if(ret<0)
goto fail;
+ if(s->pb && s->pb->error)
+ goto fail;
}
if(s->oformat->write_trailer)
ret = s->oformat->write_trailer(s);
fail:
+ if(ret == 0)
+ ret = s->pb ? s->pb->error : 0;
for(i=0;i<s->nb_streams;i++) {
av_freep(&s->streams[i]->priv_data);
av_freep(&s->streams[i]->index_entries);
return ret;
}
+int av_get_output_timestamp(struct AVFormatContext *s, int stream,
+ int64_t *dts, int64_t *wall)
+{
+ if (!s->oformat || !s->oformat->get_output_timestamp)
+ return AVERROR(ENOSYS);
+ s->oformat->get_output_timestamp(s, stream, dts, wall);
+ return 0;
+}
+
void ff_program_add_stream_index(AVFormatContext *ac, int progid, unsigned int idx)
{
int i, j;
av_log(ctx, AV_LOG_INFO, "%sMetadata:\n", indent);
while((tag=av_dict_get(m, "", tag, AV_DICT_IGNORE_SUFFIX))) {
- if(strcmp("language", tag->key))
- av_log(ctx, AV_LOG_INFO, "%s %-16s: %s\n", indent, tag->key, tag->value);
+ if(strcmp("language", tag->key)){
+ char tmp[256];
+ int i;
+ av_strlcpy(tmp, tag->value, sizeof(tmp));
+ for(i=0; i<strlen(tmp); i++) if(tmp[i]==0xd) tmp[i]=' ';
+ av_log(ctx, AV_LOG_INFO, "%s %-16s: %s\n", indent, tag->key, tmp);
+ }
}
}
}
int g = av_gcd(st->time_base.num, st->time_base.den);
AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL, 0);
avcodec_string(buf, sizeof(buf), st->codec, is_output);
- av_log(NULL, AV_LOG_INFO, " Stream #%d.%d", index, i);
+ av_log(NULL, AV_LOG_INFO, " Stream #%d:%d", index, i);
/* the pid is an important information, so we display it */
/* XXX: add a generic system */
if (flags & AVFMT_SHOW_IDS)
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);
}
int is_output)
{
int i;
- uint8_t *printed = av_mallocz(ic->nb_streams);
+ uint8_t *printed = ic->nb_streams ? av_mallocz(ic->nb_streams) : NULL;
if (ic->nb_streams && !printed)
return;
projects / ffmpeg / blobdiff