#include "libavutil/avstring.h"
#include "libavutil/mathematics.h"
#include "libavutil/parseutils.h"
+#include "libavutil/time.h"
#include "libavutil/timestamp.h"
#include "riff.h"
#include "audiointerleave.h"
#include "url.h"
-#include <sys/time.h>
-#include <time.h>
#include <stdarg.h>
#if CONFIG_NETWORK
#include "network.h"
score_max = 0;
while ((fmt = av_oformat_next(fmt))) {
score = 0;
- if (fmt->name && short_name && !av_strcasecmp(fmt->name, short_name))
+ if (fmt->name && short_name && match_format(short_name, fmt->name))
score += 100;
if (fmt->mime_type && mime_type && !strcmp(fmt->mime_type, mime_type))
score += 10;
--st->probe_packets;
if (pkt) {
- pd->buf = av_realloc(pd->buf, pd->buf_size+pkt->size+AVPROBE_PADDING_SIZE);
+ uint8_t *new_buf = av_realloc(pd->buf, pd->buf_size+pkt->size+AVPROBE_PADDING_SIZE);
+ if(!new_buf)
+ goto no_packet;
+ pd->buf = new_buf;
memcpy(pd->buf+pd->buf_size, pkt->data, pkt->size);
pd->buf_size += pkt->size;
memset(pd->buf+pd->buf_size, 0, AVPROBE_PADDING_SIZE);
} else {
+no_packet:
st->probe_packets = 0;
}
int64_t old_diff= FFABS(st->cur_dts - duration - pkt->pts);
int64_t new_diff= FFABS(st->cur_dts - pkt->pts);
if( old_diff < new_diff && old_diff < (duration>>3)
+ && st->codec->codec_type == AVMEDIA_TYPE_VIDEO
&& (!strcmp(s->iformat->name, "mpeg") ||
!strcmp(s->iformat->name, "mpegts"))){
pkt->pts += duration;
pkt->pts, pkt->dts, pkt->pos);
pkt->pts = pkt->dts = AV_NOPTS_VALUE;
+ pkt->pos = -1;
/* increment read pointer */
data += len;
size -= len;
out_pkt.dts = st->parser->dts;
out_pkt.pos = st->parser->pos;
+ if(st->need_parsing == AVSTREAM_PARSE_FULL_RAW)
+ out_pkt.pos = st->parser->frame_offset;
+
if (st->parser->key_frame == 1 ||
(st->parser->key_frame == -1 &&
st->parser->pict_type == AV_PICTURE_TYPE_I))
compute_pkt_fields(s, st, st->parser, &out_pkt);
- if ((s->iformat->flags & AVFMT_GENERIC_INDEX) &&
- out_pkt.flags & AV_PKT_FLAG_KEY) {
- int64_t pos= (st->parser->flags & PARSER_FLAG_COMPLETE_FRAMES) ? out_pkt.pos : st->parser->frame_offset;
- ff_reduce_index(s, st->index);
- av_add_index_entry(st, pos, out_pkt.dts,
- 0, 0, AVINDEX_KEYFRAME);
- }
-
if (out_pkt.data == pkt->data && out_pkt.size == pkt->size) {
out_pkt.destruct = pkt->destruct;
pkt->destruct = NULL;
const int genpts = s->flags & AVFMT_FLAG_GENPTS;
int eof = 0;
int ret;
+ AVStream *st;
if (!genpts) {
ret = s->packet_buffer ? read_from_packet_buffer(&s->packet_buffer,
}
return_packet:
+
+ st = s->streams[pkt->stream_index];
+ if (st->skip_samples) {
+ uint8_t *p = av_packet_new_side_data(pkt, AV_PKT_DATA_SKIP_SAMPLES, 10);
+ AV_WL32(p, st->skip_samples);
+ av_log(s, AV_LOG_DEBUG, "demuxer injecting skip %d\n", st->skip_samples);
+ st->skip_samples = 0;
+ }
+
+ if ((s->iformat->flags & AVFMT_GENERIC_INDEX) && pkt->flags & AV_PKT_FLAG_KEY) {
+ ff_reduce_index(s, st->index);
+ av_add_index_entry(st, pkt->pos, pkt->dts, 0, 0, AVINDEX_KEYFRAME);
+ }
+
if (is_relative(pkt->dts))
pkt->dts -= RELATIVE_TS_BASE;
if (is_relative(pkt->pts))
pkt->pts -= RELATIVE_TS_BASE;
+
return ret;
}
if((unsigned)*nb_index_entries + 1 >= UINT_MAX / sizeof(AVIndexEntry))
return -1;
+ if(timestamp == AV_NOPTS_VALUE)
+ return AVERROR(EINVAL);
+
if (is_relative(timestamp)) //FIXME this maintains previous behavior but we should shift by the correct offset once known
timestamp -= RELATIVE_TS_BASE;
file_size && ic->pb->seekable) {
/* get accurate estimate from the PTSes */
estimate_timings_from_pts(ic, old_offset);
+ ic->duration_estimation_method = AVFMT_DURATION_FROM_PTS;
} else if (has_duration(ic)) {
/* at least one component has timings - we use them for all
the components */
fill_all_stream_timings(ic);
+ ic->duration_estimation_method = AVFMT_DURATION_FROM_STREAM;
} else {
av_log(ic, AV_LOG_WARNING, "Estimating duration from bitrate, this may be inaccurate\n");
/* less precise: use bitrate info */
estimate_timings_from_bit_rate(ic);
+ ic->duration_estimation_method = AVFMT_DURATION_FROM_BITRATE;
}
update_stream_timings(ic);
}
}
-static int has_codec_parameters(AVStream *st)
+static int has_codec_parameters(AVStream *st, const char **errmsg_ptr)
{
AVCodecContext *avctx = st->codec;
- int val;
+
+#define FAIL(errmsg) do { \
+ if (errmsg_ptr) \
+ *errmsg_ptr = errmsg; \
+ return 0; \
+ } while (0)
+
switch (avctx->codec_type) {
case AVMEDIA_TYPE_AUDIO:
- val = avctx->sample_rate && avctx->channels;
if (!avctx->frame_size && determinable_frame_size(avctx))
- return 0;
+ FAIL("unspecified sample size");
if (st->info->found_decoder >= 0 && avctx->sample_fmt == AV_SAMPLE_FMT_NONE)
- return 0;
+ FAIL("unspecified sample format");
+ if (!avctx->sample_rate)
+ FAIL("unspecified sample rate");
+ if (!avctx->channels)
+ FAIL("unspecified number of channels");
break;
case AVMEDIA_TYPE_VIDEO:
- val = avctx->width;
+ if (!avctx->width)
+ FAIL("unspecified size");
if (st->info->found_decoder >= 0 && avctx->pix_fmt == PIX_FMT_NONE)
- return 0;
+ FAIL("unspecified pixel format");
break;
case AVMEDIA_TYPE_DATA:
if(avctx->codec_id == CODEC_ID_NONE) return 1;
- default:
- val = 1;
- break;
}
- return avctx->codec_id != CODEC_ID_NONE && val != 0;
+
+ if (avctx->codec_id == CODEC_ID_NONE)
+ FAIL("unknown codec");
+ return 1;
}
static int has_decode_delay_been_guessed(AVStream *st)
{
- return st->codec->codec_id != CODEC_ID_H264 ||
- st->info->nb_decoded_frames >= 6;
+ if(st->codec->codec_id != CODEC_ID_H264) return 1;
+#if CONFIG_H264_DECODER
+ if(st->codec->has_b_frames &&
+ avpriv_h264_has_num_reorder_frames(st->codec) == st->codec->has_b_frames)
+ return 1;
+#endif
+ if(st->codec->has_b_frames<3)
+ return st->info->nb_decoded_frames >= 6;
+ else if(st->codec->has_b_frames<4)
+ return st->info->nb_decoded_frames >= 18;
+ else
+ return st->info->nb_decoded_frames >= 20;
}
/* returns 1 or 0 if or if not decoded data was returned, or a negative error */
while ((pkt.size > 0 || (!pkt.data && got_picture)) &&
ret >= 0 &&
- (!has_codec_parameters(st) ||
+ (!has_codec_parameters(st, NULL) ||
!has_decode_delay_been_guessed(st) ||
(!st->codec_info_nb_frames && st->codec->codec->capabilities & CODEC_CAP_CHANNEL_CONF))) {
got_picture = 0;
}
static int get_std_framerate(int i){
- if(i<60*12) return i*1001;
- else return ((const int[]){24,30,60,12,15})[i-60*12]*1000*12;
+ if(i<60*12) return (i+1)*1001;
+ else return ((const int[]){24,30,60,12,15,48})[i-60*12]*1000*12;
}
/*
AVPacket pkt1, *pkt;
int64_t old_offset = avio_tell(ic->pb);
int orig_nb_streams = ic->nb_streams; // new streams might appear, no options for those
- int flush_codecs = 1;
+ int flush_codecs = ic->probesize > 0;
if(ic->pb)
av_log(ic, AV_LOG_DEBUG, "File position before avformat_find_stream_info() is %"PRId64"\n", avio_tell(ic->pb));
: &thread_opt);
//try to just open decoders, in case this is enough to get parameters
- if (!has_codec_parameters(st)) {
+ if (!has_codec_parameters(st, NULL)) {
if (codec && !st->codec->codec)
avcodec_open2(st->codec, codec, options ? &options[i]
: &thread_opt);
}
for (i=0; i<ic->nb_streams; i++) {
+#if FF_API_R_FRAME_RATE
ic->streams[i]->info->last_dts = AV_NOPTS_VALUE;
+#endif
+ ic->streams[i]->info->fps_first_dts = AV_NOPTS_VALUE;
+ ic->streams[i]->info->fps_last_dts = AV_NOPTS_VALUE;
}
count = 0;
int fps_analyze_framecount = 20;
st = ic->streams[i];
- if (!has_codec_parameters(st))
+ if (!has_codec_parameters(st, NULL))
break;
/* if the timebase is coarse (like the usual millisecond precision
of mkv), we need to analyze more frames to reliably arrive at
break;
}
- pkt= add_to_pktbuf(&ic->packet_buffer, &pkt1, &ic->packet_buffer_end);
- if ((ret = av_dup_packet(pkt)) < 0)
- goto find_stream_info_err;
+ if (ic->flags & AVFMT_FLAG_NOBUFFER) {
+ pkt = &pkt1;
+ } else {
+ pkt = add_to_pktbuf(&ic->packet_buffer, &pkt1,
+ &ic->packet_buffer_end);
+ if ((ret = av_dup_packet(pkt)) < 0)
+ goto find_stream_info_err;
+ }
read_size += pkt->size;
st = ic->streams[pkt->stream_index];
+ if (pkt->dts != AV_NOPTS_VALUE && st->codec_info_nb_frames > 1) {
+ /* check for non-increasing dts */
+ if (st->info->fps_last_dts != AV_NOPTS_VALUE &&
+ st->info->fps_last_dts >= pkt->dts) {
+ av_log(ic, AV_LOG_DEBUG, "Non-increasing DTS in stream %d: "
+ "packet %d with DTS %"PRId64", packet %d with DTS "
+ "%"PRId64"\n", st->index, st->info->fps_last_dts_idx,
+ st->info->fps_last_dts, st->codec_info_nb_frames, pkt->dts);
+ st->info->fps_first_dts = st->info->fps_last_dts = AV_NOPTS_VALUE;
+ }
+
+ /* update stored dts values */
+ if (st->info->fps_first_dts == AV_NOPTS_VALUE) {
+ st->info->fps_first_dts = pkt->dts;
+ st->info->fps_first_dts_idx = st->codec_info_nb_frames;
+ }
+ st->info->fps_last_dts = pkt->dts;
+ st->info->fps_last_dts_idx = st->codec_info_nb_frames;
+ }
if (st->codec_info_nb_frames>1) {
int64_t t=0;
if (st->time_base.den > 0)
}
st->info->codec_info_duration += pkt->duration;
}
+#if FF_API_R_FRAME_RATE
{
int64_t last = st->info->last_dts;
// if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
// av_log(NULL, AV_LOG_ERROR, "%f\n", dts);
- for (i=1; i<FF_ARRAY_ELEMS(st->info->duration_error[0][0]); i++) {
+ for (i=0; i<FF_ARRAY_ELEMS(st->info->duration_error[0][0]); i++) {
int framerate= get_std_framerate(i);
double sdts= dts*framerate/(1001*12);
for(j=0; j<2; j++){
if (last == AV_NOPTS_VALUE || st->info->duration_count <= 1)
st->info->last_dts = pkt->dts;
}
+#endif
if(st->parser && st->parser->parser->split && !st->codec->extradata){
int i= st->parser->parser->split(st->codec, pkt->data, pkt->size);
if (i > 0 && i < FF_MAX_EXTRADATA_SIZE) {
ret = -1; /* we could not have all the codec parameters before EOF */
for(i=0;i<ic->nb_streams;i++) {
+ const char *errmsg;
+
st = ic->streams[i];
/* flush the decoders */
err = try_decode_frame(st, &empty_pkt,
(options && i < orig_nb_streams) ?
&options[i] : NULL);
- } while (err > 0 && !has_codec_parameters(st));
+ } while (err > 0 && !has_codec_parameters(st, NULL));
if (err < 0) {
av_log(ic, AV_LOG_INFO,
}
}
- if (!has_codec_parameters(st)){
+ if (!has_codec_parameters(st, &errmsg)) {
char buf[256];
avcodec_string(buf, sizeof(buf), st->codec, 0);
av_log(ic, AV_LOG_WARNING,
- "Could not find codec parameters (%s)\n", buf);
+ "Could not find codec parameters for stream %d (%s): %s\n"
+ "Consider increasing the value for the 'analyzeduration' and 'probesize' options\n",
+ i, buf, errmsg);
} else {
ret = 0;
}
st->codec->codec_tag= tag;
}
- if (st->codec_info_nb_frames>2 && !st->avg_frame_rate.num && st->info->codec_info_duration)
+ /* estimate average framerate if not set by demuxer */
+ if (st->codec_info_nb_frames>2 && !st->avg_frame_rate.num && st->info->codec_info_duration) {
+ int best_fps = 0;
+ double best_error = 0.01;
+
av_reduce(&st->avg_frame_rate.num, &st->avg_frame_rate.den,
(st->codec_info_nb_frames-2)*(int64_t)st->time_base.den,
st->info->codec_info_duration*(int64_t)st->time_base.num, 60000);
+
+ /* round guessed framerate to a "standard" framerate if it's
+ * within 1% of the original estimate*/
+ for (j = 1; j < MAX_STD_TIMEBASES; j++) {
+ AVRational std_fps = (AVRational){get_std_framerate(j), 12*1001};
+ double error = fabs(av_q2d(st->avg_frame_rate) / av_q2d(std_fps) - 1);
+
+ if (error < best_error) {
+ best_error = error;
+ best_fps = std_fps.num;
+ }
+ }
+ if (best_fps) {
+ av_reduce(&st->avg_frame_rate.num, &st->avg_frame_rate.den,
+ best_fps, 12*1001, INT_MAX);
+ }
+ }
// 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 > 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*/){
+ && tb_unreliable(st->codec)) {
int num = 0;
double best_error= 0.01;
- for (j=1; j<FF_ARRAY_ELEMS(st->info->duration_error[0][0]); j++) {
+ for (j=0; 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))
}
}
+ if(ic->probesize)
estimate_timings(ic, old_offset);
compute_chapters_end(ic);
if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
if(st->avg_frame_rate.den && st->avg_frame_rate.num)
print_fps(av_q2d(st->avg_frame_rate), "fps");
+#if FF_API_R_FRAME_RATE
if(st->r_frame_rate.den && st->r_frame_rate.num)
print_fps(av_q2d(st->r_frame_rate), "tbr");
+#endif
if(st->time_base.den && st->time_base.num)
print_fps(1/av_q2d(st->time_base), "tbn");
if(st->codec->time_base.den && st->codec->time_base.num)
av_free(printed);
}
-int64_t av_gettime(void)
+#if FF_API_AV_GETTIME && CONFIG_SHARED && HAVE_SYMVER
+FF_SYMVER(int64_t, av_gettime, (void), "LIBAVFORMAT_54")
{
- struct timeval tv;
- gettimeofday(&tv,NULL);
- return (int64_t)tv.tv_sec * 1000000 + tv.tv_usec;
+ return av_gettime();
}
+#endif
uint64_t ff_ntp_time(void)
{
char *path, int path_size,
const char *url)
{
- const char *p, *ls, *at, *col, *brk;
+ const char *p, *ls, *ls2, *at, *col, *brk;
if (port_ptr) *port_ptr = -1;
if (proto_size > 0) proto[0] = 0;
/* separate path from hostname */
ls = strchr(p, '/');
+ ls2 = strchr(p, '?');
if(!ls)
- ls = strchr(p, '?');
+ ls = ls2;
+ else if (ls && ls2)
+ ls = FFMIN(ls, ls2);
if(ls)
av_strlcpy(path, ls, path_size);
else
return;
}
s->time_base = new_tb;
+ av_codec_set_pkt_timebase(s->codec, new_tb);
s->pts_wrap_bits = pts_wrap_bits;
}
else
return frame_sample_aspect_ratio;
}
+
+int avformat_match_stream_specifier(AVFormatContext *s, AVStream *st,
+ const char *spec)
+{
+ if (*spec <= '9' && *spec >= '0') /* opt:index */
+ return strtol(spec, NULL, 0) == st->index;
+ else if (*spec == 'v' || *spec == 'a' || *spec == 's' || *spec == 'd' ||
+ *spec == 't') { /* opt:[vasdt] */
+ enum AVMediaType type;
+
+ switch (*spec++) {
+ case 'v': type = AVMEDIA_TYPE_VIDEO; break;
+ case 'a': type = AVMEDIA_TYPE_AUDIO; break;
+ case 's': type = AVMEDIA_TYPE_SUBTITLE; break;
+ case 'd': type = AVMEDIA_TYPE_DATA; break;
+ case 't': type = AVMEDIA_TYPE_ATTACHMENT; break;
+ default: av_assert0(0);
+ }
+ if (type != st->codec->codec_type)
+ return 0;
+ if (*spec++ == ':') { /* possibly followed by :index */
+ int i, index = strtol(spec, NULL, 0);
+ for (i = 0; i < s->nb_streams; i++)
+ if (s->streams[i]->codec->codec_type == type && index-- == 0)
+ return i == st->index;
+ return 0;
+ }
+ return 1;
+ } else if (*spec == 'p' && *(spec + 1) == ':') {
+ int prog_id, i, j;
+ char *endptr;
+ spec += 2;
+ prog_id = strtol(spec, &endptr, 0);
+ for (i = 0; i < s->nb_programs; i++) {
+ if (s->programs[i]->id != prog_id)
+ continue;
+
+ if (*endptr++ == ':') {
+ int stream_idx = strtol(endptr, NULL, 0);
+ return stream_idx >= 0 &&
+ stream_idx < s->programs[i]->nb_stream_indexes &&
+ st->index == s->programs[i]->stream_index[stream_idx];
+ }
+
+ for (j = 0; j < s->programs[i]->nb_stream_indexes; j++)
+ if (st->index == s->programs[i]->stream_index[j])
+ return 1;
+ }
+ return 0;
+ } else if (*spec == '#') {
+ int sid;
+ char *endptr;
+ sid = strtol(spec + 1, &endptr, 0);
+ if (!*endptr)
+ return st->id == sid;
+ } else if (!*spec) /* empty specifier, matches everything */
+ return 1;
+
+ av_log(s, AV_LOG_ERROR, "Invalid stream specifier: %s.\n", spec);
+ return AVERROR(EINVAL);
+}
projects / ffmpeg / blobdiff