/*
- * various utility functions for use within FFmpeg
+ * various utility functions for use within Libav
* Copyright (c) 2000, 2001, 2002 Fabrice Bellard
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav 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 FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+
+/* #define DEBUG */
+
#include "avformat.h"
+#include "avio_internal.h"
#include "internal.h"
-#include "libavcodec/opt.h"
+#include "libavcodec/internal.h"
+#include "libavutil/opt.h"
+#include "libavutil/dict.h"
+#include "libavutil/pixdesc.h"
#include "metadata.h"
+#include "id3v2.h"
#include "libavutil/avstring.h"
+#include "libavutil/mathematics.h"
#include "riff.h"
+#include "audiointerleave.h"
+#include "url.h"
#include <sys/time.h>
#include <time.h>
#include <strings.h>
+#include <stdarg.h>
+#if CONFIG_NETWORK
+#include "network.h"
+#endif
#undef NDEBUG
#include <assert.h>
/**
- * @file libavformat/utils.c
- * various utility functions for use within FFmpeg
+ * @file
+ * various utility functions for use within Libav
*/
unsigned avformat_version(void)
const char *avformat_configuration(void)
{
- return FFMPEG_CONFIGURATION;
+ return LIBAV_CONFIGURATION;
}
const char *avformat_license(void)
{
#define LICENSE_PREFIX "libavformat license: "
- return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1;
+ return LICENSE_PREFIX LIBAV_LICENSE + sizeof(LICENSE_PREFIX) - 1;
}
/* fraction handling */
}
/** head of registered input format linked list */
-AVInputFormat *first_iformat = NULL;
+static AVInputFormat *first_iformat = NULL;
/** head of registered output format linked list */
-AVOutputFormat *first_oformat = NULL;
+static AVOutputFormat *first_oformat = NULL;
AVInputFormat *av_iformat_next(AVInputFormat *f)
{
format->next = NULL;
}
-#if LIBAVFORMAT_VERSION_MAJOR < 53
-int match_ext(const char *filename, const char *extensions)
-{
- return av_match_ext(filename, extensions);
-}
-#endif
-
int av_match_ext(const char *filename, const char *extensions)
{
const char *ext, *p;
return !strcasecmp(name, names);
}
-#if LIBAVFORMAT_VERSION_MAJOR < 53
-AVOutputFormat *guess_format(const char *short_name, const char *filename,
- const char *mime_type)
-{
- return av_guess_format(short_name, filename, mime_type);
-}
-#endif
-
AVOutputFormat *av_guess_format(const char *short_name, const char *filename,
const char *mime_type)
{
- AVOutputFormat *fmt, *fmt_found;
+ AVOutputFormat *fmt = NULL, *fmt_found;
int score_max, score;
/* specific test for image sequences */
#if CONFIG_IMAGE2_MUXER
if (!short_name && filename &&
av_filename_number_test(filename) &&
- av_guess_image2_codec(filename) != CODEC_ID_NONE) {
+ ff_guess_image2_codec(filename) != CODEC_ID_NONE) {
return av_guess_format("image2", NULL, NULL);
}
#endif
/* Find the proper file type. */
fmt_found = NULL;
score_max = 0;
- fmt = first_oformat;
- while (fmt != NULL) {
+ while ((fmt = av_oformat_next(fmt))) {
score = 0;
if (fmt->name && short_name && !strcmp(fmt->name, short_name))
score += 100;
score_max = score;
fmt_found = fmt;
}
- fmt = fmt->next;
}
return fmt_found;
}
-#if LIBAVFORMAT_VERSION_MAJOR < 53
-AVOutputFormat *guess_stream_format(const char *short_name, const char *filename,
- const char *mime_type)
-{
- AVOutputFormat *fmt = av_guess_format(short_name, filename, mime_type);
-
- if (fmt) {
- AVOutputFormat *stream_fmt;
- char stream_format_name[64];
-
- snprintf(stream_format_name, sizeof(stream_format_name), "%s_stream", fmt->name);
- stream_fmt = av_guess_format(stream_format_name, NULL, NULL);
-
- if (stream_fmt)
- fmt = stream_fmt;
- }
-
- return fmt;
-}
-#endif
-
enum CodecID av_guess_codec(AVOutputFormat *fmt, const char *short_name,
- const char *filename, const char *mime_type, enum CodecType type){
- if(type == CODEC_TYPE_VIDEO){
+ const char *filename, const char *mime_type, enum AVMediaType type){
+ if(type == AVMEDIA_TYPE_VIDEO){
enum CodecID codec_id= CODEC_ID_NONE;
#if CONFIG_IMAGE2_MUXER
if(!strcmp(fmt->name, "image2") || !strcmp(fmt->name, "image2pipe")){
- codec_id= av_guess_image2_codec(filename);
+ codec_id= ff_guess_image2_codec(filename);
}
#endif
if(codec_id == CODEC_ID_NONE)
codec_id= fmt->video_codec;
return codec_id;
- }else if(type == CODEC_TYPE_AUDIO)
+ }else if(type == AVMEDIA_TYPE_AUDIO)
return fmt->audio_codec;
+ else if (type == AVMEDIA_TYPE_SUBTITLE)
+ return fmt->subtitle_codec;
else
return CODEC_ID_NONE;
}
AVInputFormat *av_find_input_format(const char *short_name)
{
- AVInputFormat *fmt;
- for(fmt = first_iformat; fmt != NULL; fmt = fmt->next) {
+ AVInputFormat *fmt = NULL;
+ while ((fmt = av_iformat_next(fmt))) {
if (match_format(short_name, fmt->name))
return fmt;
}
return NULL;
}
-/* memory handling */
-
-int av_get_packet(ByteIOContext *s, AVPacket *pkt, int size)
+int av_get_packet(AVIOContext *s, AVPacket *pkt, int size)
{
int ret= av_new_packet(pkt, size);
if(ret<0)
return ret;
- pkt->pos= url_ftell(s);
+ pkt->pos= avio_tell(s);
- ret= get_buffer(s, pkt->data, size);
+ ret= avio_read(s, pkt->data, size);
if(ret<=0)
av_free_packet(pkt);
else
return ret;
}
+int av_append_packet(AVIOContext *s, AVPacket *pkt, int size)
+{
+ int ret;
+ int old_size;
+ if (!pkt->size)
+ return av_get_packet(s, pkt, size);
+ old_size = pkt->size;
+ ret = av_grow_packet(pkt, size);
+ if (ret < 0)
+ return ret;
+ ret = avio_read(s, pkt->data + old_size, size);
+ av_shrink_packet(pkt, old_size + FFMAX(ret, 0));
+ return ret;
+}
+
int av_filename_number_test(const char *filename)
{
return filename && (av_get_frame_filename(buf, sizeof(buf), filename, 1)>=0);
}
-static AVInputFormat *av_probe_input_format2(AVProbeData *pd, int is_opened, int *score_max)
+AVInputFormat *av_probe_input_format2(AVProbeData *pd, int is_opened, int *score_max)
{
- AVInputFormat *fmt1, *fmt;
- int score;
+ AVProbeData lpd = *pd;
+ AVInputFormat *fmt1 = NULL, *fmt;
+ int score, id3 = 0;
+
+ if (lpd.buf_size > 10 && ff_id3v2_match(lpd.buf, ID3v2_DEFAULT_MAGIC)) {
+ int id3len = ff_id3v2_tag_len(lpd.buf);
+ if (lpd.buf_size > id3len + 16) {
+ lpd.buf += id3len;
+ lpd.buf_size -= id3len;
+ }
+ id3 = 1;
+ }
fmt = NULL;
- for(fmt1 = first_iformat; fmt1 != NULL; fmt1 = fmt1->next) {
+ while ((fmt1 = av_iformat_next(fmt1))) {
if (!is_opened == !(fmt1->flags & AVFMT_NOFILE))
continue;
score = 0;
if (fmt1->read_probe) {
- score = fmt1->read_probe(pd);
+ score = fmt1->read_probe(&lpd);
} else if (fmt1->extensions) {
- if (av_match_ext(pd->filename, fmt1->extensions)) {
+ if (av_match_ext(lpd.filename, fmt1->extensions)) {
score = 50;
}
}
}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;
+ }
+ }
+
return fmt;
}
static int set_codec_from_probe_data(AVFormatContext *s, AVStream *st, AVProbeData *pd, int score)
{
- AVInputFormat *fmt;
- fmt = av_probe_input_format2(pd, 1, &score);
+ static const struct {
+ const char *name; enum CodecID id; enum AVMediaType type;
+ } fmt_id_type[] = {
+ { "aac" , CODEC_ID_AAC , AVMEDIA_TYPE_AUDIO },
+ { "ac3" , CODEC_ID_AC3 , AVMEDIA_TYPE_AUDIO },
+ { "dts" , CODEC_ID_DTS , AVMEDIA_TYPE_AUDIO },
+ { "eac3" , CODEC_ID_EAC3 , AVMEDIA_TYPE_AUDIO },
+ { "h264" , CODEC_ID_H264 , AVMEDIA_TYPE_VIDEO },
+ { "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);
if (fmt) {
+ int i;
av_log(s, AV_LOG_DEBUG, "Probe with size=%d, packets=%d detected %s with score=%d\n",
pd->buf_size, MAX_PROBE_PACKETS - st->probe_packets, fmt->name, score);
- if (!strcmp(fmt->name, "mp3")) {
- st->codec->codec_id = CODEC_ID_MP3;
- st->codec->codec_type = CODEC_TYPE_AUDIO;
- } else if (!strcmp(fmt->name, "ac3")) {
- st->codec->codec_id = CODEC_ID_AC3;
- st->codec->codec_type = CODEC_TYPE_AUDIO;
- } else if (!strcmp(fmt->name, "eac3")) {
- st->codec->codec_id = CODEC_ID_EAC3;
- st->codec->codec_type = CODEC_TYPE_AUDIO;
- } else if (!strcmp(fmt->name, "mpegvideo")) {
- st->codec->codec_id = CODEC_ID_MPEG2VIDEO;
- st->codec->codec_type = CODEC_TYPE_VIDEO;
- } else if (!strcmp(fmt->name, "m4v")) {
- st->codec->codec_id = CODEC_ID_MPEG4;
- st->codec->codec_type = CODEC_TYPE_VIDEO;
- } else if (!strcmp(fmt->name, "h264")) {
- st->codec->codec_id = CODEC_ID_H264;
- st->codec->codec_type = CODEC_TYPE_VIDEO;
- } else if (!strcmp(fmt->name, "dts")) {
- st->codec->codec_id = CODEC_ID_DTS;
- st->codec->codec_type = CODEC_TYPE_AUDIO;
+ for (i = 0; fmt_id_type[i].name; i++) {
+ if (!strcmp(fmt->name, fmt_id_type[i].name)) {
+ st->codec->codec_id = fmt_id_type[i].id;
+ st->codec->codec_type = fmt_id_type[i].type;
+ break;
+ }
}
}
return !!fmt;
/************************************************************/
/* input media file */
+#if FF_API_FORMAT_PARAMETERS
+static AVDictionary *convert_format_parameters(AVFormatParameters *ap)
+{
+ char buf[1024];
+ AVDictionary *opts = NULL;
+
+ if (!ap)
+ return NULL;
+
+ 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->sample_rate) {
+ snprintf(buf, sizeof(buf), "%d", ap->sample_rate);
+ av_dict_set(&opts, "sample_rate", buf, 0);
+ }
+ if (ap->channels) {
+ snprintf(buf, sizeof(buf), "%d", ap->channels);
+ av_dict_set(&opts, "channels", buf, 0);
+ }
+ if (ap->width || ap->height) {
+ snprintf(buf, sizeof(buf), "%dx%d", ap->width, ap->height);
+ av_dict_set(&opts, "video_size", buf, 0);
+ }
+ if (ap->pix_fmt != PIX_FMT_NONE) {
+ av_dict_set(&opts, "pixel_format", av_get_pix_fmt_name(ap->pix_fmt), 0);
+ }
+ if (ap->channel) {
+ snprintf(buf, sizeof(buf), "%d", ap->channel);
+ av_dict_set(&opts, "channel", buf, 0);
+ }
+ if (ap->standard) {
+ av_dict_set(&opts, "standard", ap->standard, 0);
+ }
+ if (ap->mpeg2ts_compute_pcr) {
+ av_dict_set(&opts, "mpeg2ts_compute_pcr", "1", 0);
+ }
+ if (ap->initial_pause) {
+ av_dict_set(&opts, "initial_pause", "1", 0);
+ }
+ return opts;
+}
+
/**
* Open a media file from an IO stream. 'fmt' must be specified.
*/
int av_open_input_stream(AVFormatContext **ic_ptr,
- ByteIOContext *pb, const char *filename,
+ AVIOContext *pb, const char *filename,
AVInputFormat *fmt, AVFormatParameters *ap)
{
int err;
+ AVDictionary *opts;
AVFormatContext *ic;
AVFormatParameters default_ap;
ap=&default_ap;
memset(ap, 0, sizeof(default_ap));
}
+ opts = convert_format_parameters(ap);
if(!ap->prealloced_context)
ic = avformat_alloc_context();
err = AVERROR(ENOMEM);
goto fail;
}
- ic->iformat = fmt;
- ic->pb = pb;
- ic->duration = AV_NOPTS_VALUE;
- ic->start_time = AV_NOPTS_VALUE;
- av_strlcpy(ic->filename, filename, sizeof(ic->filename));
+ if (pb && fmt && fmt->flags & AVFMT_NOFILE)
+ av_log(ic, AV_LOG_WARNING, "Custom AVIOContext makes no sense and "
+ "will be ignored with AVFMT_NOFILE format.\n");
+ else
+ ic->pb = pb;
- /* allocate private data */
- if (fmt->priv_data_size > 0) {
- ic->priv_data = av_mallocz(fmt->priv_data_size);
- if (!ic->priv_data) {
- err = AVERROR(ENOMEM);
- goto fail;
- }
- } else {
- ic->priv_data = NULL;
- }
+ if ((err = avformat_open_input(&ic, filename, fmt, &opts)) < 0)
+ goto fail;
+ ic->pb = ic->pb ? ic->pb : pb; // don't leak custom pb if it wasn't set above
- if (ic->iformat->read_header) {
- err = ic->iformat->read_header(ic, ap);
- if (err < 0)
- goto fail;
+ *ic_ptr = ic;
+fail:
+ av_dict_free(&opts);
+ return err;
+}
+#endif
+
+/** size of probe buffer, for guessing file type from file contents */
+#define PROBE_BUF_MIN 2048
+#define PROBE_BUF_MAX (1<<20)
+
+int av_probe_input_buffer(AVIOContext *pb, AVInputFormat **fmt,
+ const char *filename, void *logctx,
+ unsigned int offset, unsigned int max_probe_size)
+{
+ AVProbeData pd = { filename ? filename : "", NULL, -offset };
+ unsigned char *buf = NULL;
+ int ret = 0, probe_size;
+
+ if (!max_probe_size) {
+ max_probe_size = PROBE_BUF_MAX;
+ } else if (max_probe_size > PROBE_BUF_MAX) {
+ max_probe_size = PROBE_BUF_MAX;
+ } else if (max_probe_size < PROBE_BUF_MIN) {
+ return AVERROR(EINVAL);
}
- if (pb && !ic->data_offset)
- ic->data_offset = url_ftell(ic->pb);
+ if (offset >= max_probe_size) {
+ return AVERROR(EINVAL);
+ }
-#if LIBAVFORMAT_VERSION_MAJOR < 53
- ff_metadata_demux_compat(ic);
-#endif
+ for(probe_size= PROBE_BUF_MIN; probe_size<=max_probe_size && !*fmt && ret >= 0;
+ 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 buf_offset = (probe_size == PROBE_BUF_MIN) ? 0 : probe_size>>1;
- ic->raw_packet_buffer_remaining_size = RAW_PACKET_BUFFER_SIZE;
+ if (probe_size < offset) {
+ continue;
+ }
- *ic_ptr = ic;
- return 0;
- fail:
- if (ic) {
- int i;
- av_freep(&ic->priv_data);
- for(i=0;i<ic->nb_streams;i++) {
- AVStream *st = ic->streams[i];
- if (st) {
- av_free(st->priv_data);
- av_free(st->codec->extradata);
+ /* read probe data */
+ buf = av_realloc(buf, probe_size + AVPROBE_PADDING_SIZE);
+ 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) {
+ av_free(buf);
+ return ret;
}
- av_free(st);
+ score = 0;
+ ret = 0; /* error was end of file, nothing read */
+ }
+ pd.buf_size += ret;
+ pd.buf = &buf[offset];
+
+ memset(pd.buf + pd.buf_size, 0, AVPROBE_PADDING_SIZE);
+
+ /* guess file format */
+ *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);
+ }else
+ av_log(logctx, AV_LOG_DEBUG, "Probed with size=%d and score=%d\n", probe_size, score);
}
}
- av_free(ic);
- *ic_ptr = NULL;
- return err;
-}
-/** size of probe buffer, for guessing file type from file contents */
-#define PROBE_BUF_MIN 2048
-#define PROBE_BUF_MAX (1<<20)
+ if (!*fmt) {
+ av_free(buf);
+ return AVERROR_INVALIDDATA;
+ }
+
+ /* rewind. reuse probe buffer to avoid seeking */
+ if ((ret = ffio_rewind_with_probe_data(pb, buf, pd.buf_size)) < 0)
+ av_free(buf);
+
+ return ret;
+}
+#if FF_API_FORMAT_PARAMETERS
int av_open_input_file(AVFormatContext **ic_ptr, const char *filename,
AVInputFormat *fmt,
int buf_size,
AVFormatParameters *ap)
{
- int err, probe_size;
- AVProbeData probe_data, *pd = &probe_data;
- ByteIOContext *pb = NULL;
- void *logctx= ap && ap->prealloced_context ? *ic_ptr : NULL;
+ int err;
+ AVDictionary *opts = convert_format_parameters(ap);
+
+ if (!ap || !ap->prealloced_context)
+ *ic_ptr = NULL;
- pd->filename = "";
- if (filename)
- pd->filename = filename;
- pd->buf = NULL;
- pd->buf_size = 0;
+ err = avformat_open_input(ic_ptr, filename, fmt, &opts);
- if (!fmt) {
- /* guess format if no file can be opened */
- fmt = av_probe_input_format(pd, 0);
+ av_dict_free(&opts);
+ return err;
+}
+#endif
+
+/* open input file and probe the format if necessary */
+static int init_input(AVFormatContext *s, const char *filename)
+{
+ int ret;
+ AVProbeData pd = {filename, NULL, 0};
+
+ if (s->pb) {
+ s->flags |= AVFMT_FLAG_CUSTOM_IO;
+ 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);
+ return 0;
}
- /* Do not open file if the format does not need it. XXX: specific
- hack needed to handle RTSP/TCP */
- if (!fmt || !(fmt->flags & AVFMT_NOFILE)) {
- /* if no file needed do not try to open one */
- if ((err=url_fopen(&pb, filename, URL_RDONLY)) < 0) {
- goto fail;
- }
- if (buf_size > 0) {
- url_setbufsize(pb, buf_size);
- }
+ if ( (s->iformat && s->iformat->flags & AVFMT_NOFILE) ||
+ (!s->iformat && (s->iformat = av_probe_input_format(&pd, 0))))
+ return 0;
- for(probe_size= PROBE_BUF_MIN; probe_size<=PROBE_BUF_MAX && !fmt; probe_size<<=1){
- int score= probe_size < PROBE_BUF_MAX ? AVPROBE_SCORE_MAX/4 : 0;
- /* read probe data */
- pd->buf= av_realloc(pd->buf, probe_size + AVPROBE_PADDING_SIZE);
- pd->buf_size = get_buffer(pb, pd->buf, probe_size);
+ if ((ret = avio_open(&s->pb, filename, AVIO_FLAG_READ)) < 0)
+ return ret;
+ if (s->iformat)
+ return 0;
+ return av_probe_input_buffer(s->pb, &s->iformat, filename, s, 0, 0);
+}
- if ((int)pd->buf_size < 0) {
- err = pd->buf_size;
- goto fail;
- }
+int avformat_open_input(AVFormatContext **ps, const char *filename, AVInputFormat *fmt, AVDictionary **options)
+{
+ AVFormatContext *s = *ps;
+ int ret = 0;
+ AVFormatParameters ap = { { 0 } };
+ AVDictionary *tmp = NULL;
- memset(pd->buf+pd->buf_size, 0, AVPROBE_PADDING_SIZE);
- if (url_fseek(pb, 0, SEEK_SET) < 0) {
- url_fclose(pb);
- if (url_fopen(&pb, filename, URL_RDONLY) < 0) {
- pb = NULL;
- err = AVERROR(EIO);
- goto fail;
- }
- }
- /* guess file format */
- 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);
- }else
- av_log(logctx, AV_LOG_DEBUG, "Probed with size=%d and score=%d\n", probe_size, score);
- }
- }
- av_freep(&pd->buf);
- }
+ if (!s && !(s = avformat_alloc_context()))
+ return AVERROR(ENOMEM);
+ if (fmt)
+ s->iformat = fmt;
- /* if still no format found, error */
- if (!fmt) {
- err = AVERROR_NOFMT;
+ if (options)
+ av_dict_copy(&tmp, *options, 0);
+
+ if ((ret = av_opt_set_dict(s, &tmp)) < 0)
+ goto fail;
+
+ if ((ret = init_input(s, filename)) < 0)
goto fail;
- }
/* check filename in case an image number is expected */
- if (fmt->flags & AVFMT_NEEDNUMBER) {
+ if (s->iformat->flags & AVFMT_NEEDNUMBER) {
if (!av_filename_number_test(filename)) {
- err = AVERROR_NUMEXPECTED;
+ ret = AVERROR(EINVAL);
goto fail;
}
}
- err = av_open_input_stream(ic_ptr, pb, filename, fmt, ap);
- if (err)
- goto fail;
+
+ s->duration = s->start_time = AV_NOPTS_VALUE;
+ av_strlcpy(s->filename, filename, sizeof(s->filename));
+
+ /* allocate private data */
+ if (s->iformat->priv_data_size > 0) {
+ if (!(s->priv_data = av_mallocz(s->iformat->priv_data_size))) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+ if (s->iformat->priv_class) {
+ *(const AVClass**)s->priv_data = s->iformat->priv_class;
+ av_opt_set_defaults(s->priv_data);
+ if ((ret = av_opt_set_dict(s->priv_data, &tmp)) < 0)
+ goto fail;
+ }
+ }
+
+ /* e.g. AVFMT_NOFILE formats will not have a AVIOContext */
+ if (s->pb)
+ ff_id3v2_read(s, ID3v2_DEFAULT_MAGIC);
+
+ if (s->iformat->read_header)
+ if ((ret = s->iformat->read_header(s, &ap)) < 0)
+ goto fail;
+
+ if (s->pb && !s->data_offset)
+ s->data_offset = avio_tell(s->pb);
+
+ s->raw_packet_buffer_remaining_size = RAW_PACKET_BUFFER_SIZE;
+
+ if (options) {
+ av_dict_free(options);
+ *options = tmp;
+ }
+ *ps = s;
return 0;
- fail:
- av_freep(&pd->buf);
- if (pb)
- url_fclose(pb);
- if (ap && ap->prealloced_context)
- av_free(*ic_ptr);
- *ic_ptr = NULL;
- return err;
+fail:
+ av_dict_free(&tmp);
+ if (s->pb && !(s->flags & AVFMT_FLAG_CUSTOM_IO))
+ avio_close(s->pb);
+ avformat_free_context(s);
+ *ps = NULL;
+ return ret;
}
/*******************************************************/
st= s->streams[pkt->stream_index];
switch(st->codec->codec_type){
- case CODEC_TYPE_VIDEO:
+ case AVMEDIA_TYPE_VIDEO:
if(s->video_codec_id) st->codec->codec_id= s->video_codec_id;
break;
- case CODEC_TYPE_AUDIO:
+ case AVMEDIA_TYPE_AUDIO:
if(s->audio_codec_id) st->codec->codec_id= s->audio_codec_id;
break;
- case CODEC_TYPE_SUBTITLE:
+ case AVMEDIA_TYPE_SUBTITLE:
if(s->subtitle_codec_id)st->codec->codec_id= s->subtitle_codec_id;
break;
}
memset(pd->buf+pd->buf_size, 0, AVPROBE_PADDING_SIZE);
if(av_log2(pd->buf_size) != av_log2(pd->buf_size - pkt->size)){
- set_codec_from_probe_data(s, st, pd, 1);
+ //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){
pd->buf_size=0;
av_freep(&pd->buf);
*pnum = 0;
*pden = 0;
switch(st->codec->codec_type) {
- case CODEC_TYPE_VIDEO:
+ case AVMEDIA_TYPE_VIDEO:
if(st->time_base.num*1000LL > st->time_base.den){
*pnum = st->time_base.num;
*pden = st->time_base.den;
if (pc && pc->repeat_pict) {
*pnum = (*pnum) * (1 + pc->repeat_pict);
}
+ //If this codec can be interlaced or progressive then we need a parser to compute duration of a packet
+ //Thus if we have no parser in such case leave duration undefined.
+ if(st->codec->ticks_per_frame>1 && !pc){
+ *pnum = *pden = 0;
+ }
}
break;
- case CODEC_TYPE_AUDIO:
+ case AVMEDIA_TYPE_AUDIO:
frame_size = get_audio_frame_size(st->codec, pkt->size);
- if (frame_size < 0)
+ if (frame_size <= 0 || st->codec->sample_rate <= 0)
break;
*pnum = frame_size;
*pden = st->codec->sample_rate;
}
static int is_intra_only(AVCodecContext *enc){
- if(enc->codec_type == CODEC_TYPE_AUDIO){
+ if(enc->codec_type == AVMEDIA_TYPE_AUDIO){
return 1;
- }else if(enc->codec_type == CODEC_TYPE_VIDEO){
+ }else if(enc->codec_type == AVMEDIA_TYPE_VIDEO){
switch(enc->codec_id){
case CODEC_ID_MJPEG:
case CODEC_ID_MJPEGB:
int num, den, presentation_delayed, delay, i;
int64_t offset;
+ if (s->flags & AVFMT_FLAG_NOFILLIN)
+ return;
+
if((s->flags & AVFMT_FLAG_IGNDTS) && pkt->pts != AV_NOPTS_VALUE)
pkt->dts= AV_NOPTS_VALUE;
- if (st->codec->codec_id != CODEC_ID_H264 && pc && pc->pict_type == FF_B_TYPE)
+ if (st->codec->codec_id != CODEC_ID_H264 && pc && pc->pict_type == AV_PICTURE_TYPE_B)
//FIXME Set low_delay = 0 when has_b_frames = 1
st->codec->has_b_frames = 1;
/* do we have a video B-frame ? */
delay= st->codec->has_b_frames;
presentation_delayed = 0;
+
+ // ignore delay caused by frame threading so that the mpeg2-without-dts
+ // warning will not trigger
+ if (delay && st->codec->active_thread_type&FF_THREAD_FRAME)
+ delay -= st->codec->thread_count-1;
+
/* XXX: need has_b_frame, but cannot get it if the codec is
not initialized */
if (delay &&
- pc && pc->pict_type != FF_B_TYPE)
+ 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
// 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_WARNING, "invalid dts/pts combination\n");
+ av_log(s, AV_LOG_DEBUG, "invalid dts/pts combination\n");
pkt->dts= pkt->pts= AV_NOPTS_VALUE;
}
if (pkt->duration == 0) {
compute_frame_duration(&num, &den, st, pc, pkt);
if (den && num) {
- pkt->duration = av_rescale(1, num * (int64_t)st->time_base.den, den * (int64_t)st->time_base.num);
+ pkt->duration = av_rescale_rnd(1, num * (int64_t)st->time_base.den, den * (int64_t)st->time_base.num, AV_ROUND_DOWN);
if(pkt->duration != 0 && s->packet_buffer)
update_initial_durations(s, st, pkt);
/* update flags */
if(is_intra_only(st->codec))
- pkt->flags |= PKT_FLAG_KEY;
+ pkt->flags |= AV_PKT_FLAG_KEY;
else if (pc) {
pkt->flags = 0;
/* keyframe computation */
if (pc->key_frame == 1)
- pkt->flags |= PKT_FLAG_KEY;
- else if (pc->key_frame == -1 && pc->pict_type == FF_I_TYPE)
- pkt->flags |= PKT_FLAG_KEY;
+ pkt->flags |= AV_PKT_FLAG_KEY;
+ else if (pc->key_frame == -1 && pc->pict_type == AV_PICTURE_TYPE_I)
+ pkt->flags |= AV_PKT_FLAG_KEY;
}
if (pc)
pkt->convergence_duration = pc->convergence_duration;
compute_pkt_fields(s, st, NULL, pkt);
s->cur_st = NULL;
if ((s->iformat->flags & AVFMT_GENERIC_INDEX) &&
- (pkt->flags & PKT_FLAG_KEY) && pkt->dts != AV_NOPTS_VALUE) {
+ (pkt->flags & AV_PKT_FLAG_KEY) && pkt->dts != AV_NOPTS_VALUE) {
ff_reduce_index(s, st->index);
av_add_index_entry(st, pkt->pos, pkt->dts, 0, 0, AVINDEX_KEYFRAME);
}
pkt->pts = st->parser->pts;
pkt->dts = st->parser->dts;
pkt->pos = st->parser->pos;
+ if(pkt->data == st->cur_pkt.data && pkt->size == st->cur_pkt.size){
+ s->cur_st = NULL;
+ pkt->destruct= st->cur_pkt.destruct;
+ st->cur_pkt.destruct= NULL;
+ st->cur_pkt.data = NULL;
+ assert(st->cur_len == 0);
+ }else{
pkt->destruct = NULL;
+ }
compute_pkt_fields(s, st, st->parser, pkt);
- if((s->iformat->flags & AVFMT_GENERIC_INDEX) && pkt->flags & PKT_FLAG_KEY){
+ if((s->iformat->flags & AVFMT_GENERIC_INDEX) && pkt->flags & AV_PKT_FLAG_KEY){
ff_reduce_index(s, st->index);
av_add_index_entry(st, st->parser->frame_offset, pkt->dts,
0, 0, AVINDEX_KEYFRAME);
s->cur_st = st;
st->cur_ptr = st->cur_pkt.data;
st->cur_len = st->cur_pkt.size;
- if (st->need_parsing && !st->parser) {
+ if (st->need_parsing && !st->parser && !(s->flags & AVFMT_FLAG_NOPARSE)) {
st->parser = av_parser_init(st->codec->codec_id);
if (!st->parser) {
/* no parser available: just output the raw packets */
st->need_parsing = AVSTREAM_PARSE_NONE;
}else if(st->need_parsing == AVSTREAM_PARSE_HEADERS){
st->parser->flags |= PARSER_FLAG_COMPLETE_FRAMES;
- }
- if(st->parser && (s->iformat->flags & AVFMT_GENERIC_INDEX)){
- st->parser->next_frame_offset=
- st->parser->cur_offset= st->cur_pkt.pos;
+ }else if(st->need_parsing == AVSTREAM_PARSE_FULL_ONCE){
+ st->parser->flags |= PARSER_FLAG_ONCE;
}
}
}
AVPacket *next_pkt= &pktl->pkt;
if(genpts && next_pkt->dts != AV_NOPTS_VALUE){
+ int wrap_bits = s->streams[next_pkt->stream_index]->pts_wrap_bits;
while(pktl && next_pkt->pts == AV_NOPTS_VALUE){
if( pktl->pkt.stream_index == next_pkt->stream_index
- && next_pkt->dts < pktl->pkt.dts
- && pktl->pkt.pts != pktl->pkt.dts //not b frame
- /*&& pktl->pkt.dts != AV_NOPTS_VALUE*/){
+ && (0 > av_compare_mod(next_pkt->dts, pktl->pkt.dts, 2LL << (wrap_bits - 1)))
+ && av_compare_mod(pktl->pkt.pts, pktl->pkt.dts, 2LL << (wrap_bits - 1))) { //not b frame
next_pkt->pts= pktl->pkt.dts;
}
pktl= pktl->next;
return -1;
for(i = 0; i < s->nb_streams; i++) {
st = s->streams[i];
- if (st->codec->codec_type == CODEC_TYPE_VIDEO) {
+ if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
return i;
}
- if (first_audio_index < 0 && st->codec->codec_type == CODEC_TYPE_AUDIO)
+ if (first_audio_index < 0 && st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
first_audio_index = i;
}
return first_audio_index >= 0 ? first_audio_index : 0;
/**
* Flush the frame reader.
*/
-void av_read_frame_flush(AVFormatContext *s)
+void ff_read_frame_flush(AVFormatContext *s)
{
AVStream *st;
int i, j;
}
}
-int av_add_index_entry(AVStream *st,
- int64_t pos, int64_t timestamp, int size, int distance, int flags)
+int ff_add_index_entry(AVIndexEntry **index_entries,
+ int *nb_index_entries,
+ unsigned int *index_entries_allocated_size,
+ int64_t pos, int64_t timestamp, int size, int distance, int flags)
{
AVIndexEntry *entries, *ie;
int index;
- if((unsigned)st->nb_index_entries + 1 >= UINT_MAX / sizeof(AVIndexEntry))
+ if((unsigned)*nb_index_entries + 1 >= UINT_MAX / sizeof(AVIndexEntry))
return -1;
- entries = av_fast_realloc(st->index_entries,
- &st->index_entries_allocated_size,
- (st->nb_index_entries + 1) *
+ entries = av_fast_realloc(*index_entries,
+ index_entries_allocated_size,
+ (*nb_index_entries + 1) *
sizeof(AVIndexEntry));
if(!entries)
return -1;
- st->index_entries= entries;
+ *index_entries= entries;
- index= av_index_search_timestamp(st, timestamp, AVSEEK_FLAG_ANY);
+ index= ff_index_search_timestamp(*index_entries, *nb_index_entries, timestamp, AVSEEK_FLAG_ANY);
if(index<0){
- index= st->nb_index_entries++;
+ index= (*nb_index_entries)++;
ie= &entries[index];
assert(index==0 || ie[-1].timestamp < timestamp);
}else{
if(ie->timestamp != timestamp){
if(ie->timestamp <= timestamp)
return -1;
- memmove(entries + index + 1, entries + index, sizeof(AVIndexEntry)*(st->nb_index_entries - index));
- st->nb_index_entries++;
+ memmove(entries + index + 1, entries + index, sizeof(AVIndexEntry)*(*nb_index_entries - index));
+ (*nb_index_entries)++;
}else if(ie->pos == pos && distance < ie->min_distance) //do not reduce the distance
distance= ie->min_distance;
}
return index;
}
-int av_index_search_timestamp(AVStream *st, int64_t wanted_timestamp,
- int flags)
+int av_add_index_entry(AVStream *st,
+ int64_t pos, int64_t timestamp, int size, int distance, int flags)
+{
+ return ff_add_index_entry(&st->index_entries, &st->nb_index_entries,
+ &st->index_entries_allocated_size, pos,
+ timestamp, size, distance, flags);
+}
+
+int ff_index_search_timestamp(const AVIndexEntry *entries, int nb_entries,
+ int64_t wanted_timestamp, int flags)
{
- AVIndexEntry *entries= st->index_entries;
- int nb_entries= st->nb_index_entries;
int a, b, m;
int64_t timestamp;
a = - 1;
b = nb_entries;
+ //optimize appending index entries at the end
+ if(b && entries[b-1].timestamp < wanted_timestamp)
+ a= b-1;
+
while (b - a > 1) {
m = (a + b) >> 1;
timestamp = entries[m].timestamp;
return m;
}
-#define DEBUG_SEEK
+int av_index_search_timestamp(AVStream *st, int64_t wanted_timestamp,
+ int flags)
+{
+ return ff_index_search_timestamp(st->index_entries, st->nb_index_entries,
+ wanted_timestamp, flags);
+}
int av_seek_frame_binary(AVFormatContext *s, int stream_index, int64_t target_ts, int flags){
AVInputFormat *avif= s->iformat;
if (stream_index < 0)
return -1;
-#ifdef DEBUG_SEEK
- av_log(s, AV_LOG_DEBUG, "read_seek: %d %"PRId64"\n", stream_index, target_ts);
-#endif
+ av_dlog(s, "read_seek: %d %"PRId64"\n", stream_index, target_ts);
ts_max=
ts_min= AV_NOPTS_VALUE;
if(e->timestamp <= target_ts || e->pos == e->min_distance){
pos_min= e->pos;
ts_min= e->timestamp;
-#ifdef DEBUG_SEEK
- av_log(s, AV_LOG_DEBUG, "using cached pos_min=0x%"PRIx64" dts_min=%"PRId64"\n",
- pos_min,ts_min);
-#endif
+ av_dlog(s, "using cached pos_min=0x%"PRIx64" dts_min=%"PRId64"\n",
+ pos_min,ts_min);
}else{
assert(index==0);
}
pos_max= e->pos;
ts_max= e->timestamp;
pos_limit= pos_max - e->min_distance;
-#ifdef DEBUG_SEEK
- av_log(s, AV_LOG_DEBUG, "using cached pos_max=0x%"PRIx64" pos_limit=0x%"PRIx64" dts_max=%"PRId64"\n",
- pos_max,pos_limit, ts_max);
-#endif
+ av_dlog(s, "using cached pos_max=0x%"PRIx64" pos_limit=0x%"PRIx64" dts_max=%"PRId64"\n",
+ pos_max,pos_limit, ts_max);
}
}
return -1;
/* do the seek */
- if ((ret = url_fseek(s->pb, pos, SEEK_SET)) < 0)
+ if ((ret = avio_seek(s->pb, pos, SEEK_SET)) < 0)
return ret;
av_update_cur_dts(s, st, ts);
int64_t start_pos, filesize;
int no_change;
-#ifdef DEBUG_SEEK
- av_log(s, AV_LOG_DEBUG, "gen_seek: %d %"PRId64"\n", stream_index, target_ts);
-#endif
+ av_dlog(s, "gen_seek: %d %"PRId64"\n", stream_index, target_ts);
if(ts_min == AV_NOPTS_VALUE){
pos_min = s->data_offset;
if(ts_max == AV_NOPTS_VALUE){
int step= 1024;
- filesize = url_fsize(s->pb);
+ filesize = avio_size(s->pb);
pos_max = filesize - 1;
do{
pos_max -= step;
no_change=0;
while (pos_min < pos_limit) {
-#ifdef DEBUG_SEEK
- av_log(s, AV_LOG_DEBUG, "pos_min=0x%"PRIx64" pos_max=0x%"PRIx64" dts_min=%"PRId64" dts_max=%"PRId64"\n",
- pos_min, pos_max,
- ts_min, ts_max);
-#endif
+ av_dlog(s, "pos_min=0x%"PRIx64" pos_max=0x%"PRIx64" dts_min=%"PRId64" dts_max=%"PRId64"\n",
+ pos_min, pos_max, ts_min, ts_max);
assert(pos_limit <= pos_max);
if(no_change==0){
no_change++;
else
no_change=0;
-#ifdef DEBUG_SEEK
- av_log(s, AV_LOG_DEBUG, "%"PRId64" %"PRId64" %"PRId64" / %"PRId64" %"PRId64" %"PRId64" target:%"PRId64" limit:%"PRId64" start:%"PRId64" noc:%d\n",
- pos_min, pos, pos_max, ts_min, ts, ts_max, target_ts, pos_limit,
- start_pos, no_change);
-#endif
+ av_dlog(s, "%"PRId64" %"PRId64" %"PRId64" / %"PRId64" %"PRId64" %"PRId64" target:%"PRId64" limit:%"PRId64" start:%"PRId64" noc:%d\n",
+ pos_min, pos, pos_max, ts_min, ts, ts_max, target_ts,
+ pos_limit, start_pos, no_change);
if(ts == AV_NOPTS_VALUE){
av_log(s, AV_LOG_ERROR, "read_timestamp() failed in the middle\n");
return -1;
pos = (flags & AVSEEK_FLAG_BACKWARD) ? pos_min : pos_max;
ts = (flags & AVSEEK_FLAG_BACKWARD) ? ts_min : ts_max;
-#ifdef DEBUG_SEEK
pos_min = pos;
ts_min = read_timestamp(s, stream_index, &pos_min, INT64_MAX);
pos_min++;
ts_max = read_timestamp(s, stream_index, &pos_min, INT64_MAX);
- av_log(s, AV_LOG_DEBUG, "pos=0x%"PRIx64" %"PRId64"<=%"PRId64"<=%"PRId64"\n",
- pos, ts_min, target_ts, ts_max);
-#endif
+ av_dlog(s, "pos=0x%"PRIx64" %"PRId64"<=%"PRId64"<=%"PRId64"\n",
+ pos, ts_min, target_ts, ts_max);
*ts_ret= ts;
return pos;
}
#endif
pos_min = s->data_offset;
- pos_max = url_fsize(s->pb) - 1;
+ pos_max = avio_size(s->pb) - 1;
if (pos < pos_min) pos= pos_min;
else if(pos > pos_max) pos= pos_max;
- url_fseek(s->pb, pos, SEEK_SET);
+ avio_seek(s->pb, pos, SEEK_SET);
#if 0
av_update_cur_dts(s, st, ts);
if(st->nb_index_entries){
assert(st->index_entries);
ie= &st->index_entries[st->nb_index_entries-1];
- if ((ret = url_fseek(s->pb, ie->pos, SEEK_SET)) < 0)
+ if ((ret = avio_seek(s->pb, ie->pos, SEEK_SET)) < 0)
return ret;
av_update_cur_dts(s, st, ie->timestamp);
}else{
- if ((ret = url_fseek(s->pb, s->data_offset, SEEK_SET)) < 0)
+ if ((ret = avio_seek(s->pb, s->data_offset, SEEK_SET)) < 0)
return ret;
}
for(i=0;; i++) {
break;
av_free_packet(&pkt);
if(stream_index == pkt.stream_index){
- if((pkt.flags & PKT_FLAG_KEY) && pkt.dts > timestamp)
+ if((pkt.flags & AV_PKT_FLAG_KEY) && pkt.dts > timestamp)
break;
}
}
if (index < 0)
return -1;
- av_read_frame_flush(s);
+ ff_read_frame_flush(s);
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 = url_fseek(s->pb, ie->pos, SEEK_SET)) < 0)
+ if ((ret = avio_seek(s->pb, ie->pos, SEEK_SET)) < 0)
return ret;
av_update_cur_dts(s, st, ie->timestamp);
int ret;
AVStream *st;
- av_read_frame_flush(s);
+ ff_read_frame_flush(s);
if(flags & AVSEEK_FLAG_BYTE)
return av_seek_frame_byte(s, stream_index, timestamp, flags);
return 0;
}
- if(s->iformat->read_timestamp)
+ if(s->iformat->read_timestamp && !(s->iformat->flags & AVFMT_NOBINSEARCH))
return av_seek_frame_binary(s, stream_index, timestamp, flags);
- else
+ else if (!(s->iformat->flags & AVFMT_NOGENSEARCH))
return av_seek_frame_generic(s, stream_index, timestamp, flags);
+ else
+ return -1;
}
int avformat_seek_file(AVFormatContext *s, int stream_index, int64_t min_ts, int64_t ts, int64_t max_ts, int flags)
if(min_ts > ts || max_ts < ts)
return -1;
- av_read_frame_flush(s);
+ ff_read_frame_flush(s);
if (s->iformat->read_seek2)
return s->iformat->read_seek2(s, stream_index, min_ts, ts, max_ts, flags);
/*******************************************************/
/**
- * Returns TRUE if the stream has accurate duration in any stream.
+ * Return TRUE if the stream has accurate duration in any stream.
*
* @return TRUE if the stream has accurate duration for at least one component.
*/
AVStream *st;
/* if bit_rate is already set, we believe it */
- if (ic->bit_rate == 0) {
+ if (ic->bit_rate <= 0) {
bit_rate = 0;
for(i=0;i<ic->nb_streams;i++) {
st = ic->streams[i];
+ if (st->codec->bit_rate > 0)
bit_rate += st->codec->bit_rate;
}
ic->bit_rate = bit_rate;
AVPacket pkt1, *pkt = &pkt1;
AVStream *st;
int read_size, i, ret;
- int64_t end_time, start_time[MAX_STREAMS];
+ int64_t end_time;
int64_t filesize, offset, duration;
int retry=0;
/* flush packet queue */
flush_packet_queue(ic);
- for(i=0;i<ic->nb_streams;i++) {
+ for (i=0; i<ic->nb_streams; i++) {
st = ic->streams[i];
- if(st->start_time != AV_NOPTS_VALUE){
- start_time[i]= st->start_time;
- }else if(st->first_dts != AV_NOPTS_VALUE){
- start_time[i]= st->first_dts;
- }else
+ 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");
if (st->parser) {
if (offset < 0)
offset = 0;
- url_fseek(ic->pb, offset, SEEK_SET);
+ avio_seek(ic->pb, offset, SEEK_SET);
read_size = 0;
for(;;) {
if (read_size >= DURATION_MAX_READ_SIZE<<(FFMAX(retry-1,0)))
read_size += pkt->size;
st = ic->streams[pkt->stream_index];
if (pkt->pts != AV_NOPTS_VALUE &&
- start_time[pkt->stream_index] != AV_NOPTS_VALUE) {
- end_time = pkt->pts;
- duration = end_time - start_time[pkt->stream_index];
+ (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) {
fill_all_stream_timings(ic);
- url_fseek(ic->pb, old_offset, SEEK_SET);
- for(i=0; i<ic->nb_streams; i++){
+ avio_seek(ic->pb, old_offset, SEEK_SET);
+ for (i=0; i<ic->nb_streams; i++) {
st= ic->streams[i];
st->cur_dts= st->first_dts;
st->last_IP_pts = AV_NOPTS_VALUE;
+ st->reference_dts = AV_NOPTS_VALUE;
}
}
if (ic->iformat->flags & AVFMT_NOFILE) {
file_size = 0;
} else {
- file_size = url_fsize(ic->pb);
+ file_size = avio_size(ic->pb);
if (file_size < 0)
file_size = 0;
}
if ((!strcmp(ic->iformat->name, "mpeg") ||
!strcmp(ic->iformat->name, "mpegts")) &&
- file_size && !url_is_streamed(ic->pb)) {
+ 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)) {
}
av_update_stream_timings(ic);
-#if 0
{
int i;
- AVStream *st;
+ 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)
{
int val;
switch(enc->codec_type) {
- case CODEC_TYPE_AUDIO:
- val = enc->sample_rate && enc->channels && enc->sample_fmt != SAMPLE_FMT_NONE;
+ 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))
return 0;
break;
- case CODEC_TYPE_VIDEO:
+ case AVMEDIA_TYPE_VIDEO:
val = enc->width && enc->pix_fmt != PIX_FMT_NONE;
break;
default:
return enc->codec_id != CODEC_ID_NONE && val != 0;
}
-static int try_decode_frame(AVStream *st, AVPacket *avpkt)
+static int has_decode_delay_been_guessed(AVStream *st)
+{
+ return st->codec->codec_id != CODEC_ID_H264 ||
+ st->codec_info_nb_frames >= 6 + st->codec->has_b_frames;
+}
+
+static int try_decode_frame(AVStream *st, AVPacket *avpkt, AVDictionary **options)
{
int16_t *samples;
AVCodec *codec;
codec = avcodec_find_decoder(st->codec->codec_id);
if (!codec)
return -1;
- ret = avcodec_open(st->codec, codec);
+ ret = avcodec_open2(st->codec, codec, options);
if (ret < 0)
return ret;
}
- if(!has_codec_parameters(st->codec)){
+ if(!has_codec_parameters(st->codec) || !has_decode_delay_been_guessed(st) ||
+ (!st->codec_info_nb_frames && st->codec->codec->capabilities & CODEC_CAP_CHANNEL_CONF)) {
switch(st->codec->codec_type) {
- case CODEC_TYPE_VIDEO:
+ case AVMEDIA_TYPE_VIDEO:
avcodec_get_frame_defaults(&picture);
ret = avcodec_decode_video2(st->codec, &picture,
&got_picture, avpkt);
break;
- case CODEC_TYPE_AUDIO:
+ case AVMEDIA_TYPE_AUDIO:
data_size = FFMAX(avpkt->size, AVCODEC_MAX_AUDIO_FRAME_SIZE);
samples = av_malloc(data_size);
if (!samples)
return ret;
}
-unsigned int ff_codec_get_tag(const AVCodecTag *tags, int id)
+unsigned int ff_codec_get_tag(const AVCodecTag *tags, enum CodecID id)
{
while (tags->id != CODEC_ID_NONE) {
if (tags->id == id)
return tags[i].id;
}
for(i=0; tags[i].id != CODEC_ID_NONE; i++) {
- if( toupper((tag >> 0)&0xFF) == toupper((tags[i].tag >> 0)&0xFF)
- && toupper((tag >> 8)&0xFF) == toupper((tags[i].tag >> 8)&0xFF)
- && toupper((tag >>16)&0xFF) == toupper((tags[i].tag >>16)&0xFF)
- && toupper((tag >>24)&0xFF) == toupper((tags[i].tag >>24)&0xFF))
+ if (ff_toupper4(tag) == ff_toupper4(tags[i].tag))
return tags[i].id;
}
return CODEC_ID_NONE;
static void compute_chapters_end(AVFormatContext *s)
{
- unsigned int i;
+ unsigned int i, j;
+ int64_t max_time = s->duration + ((s->start_time == AV_NOPTS_VALUE) ? 0 : s->start_time);
- for (i=0; i+1<s->nb_chapters; i++)
+ for (i = 0; i < s->nb_chapters; i++)
if (s->chapters[i]->end == AV_NOPTS_VALUE) {
- assert(s->chapters[i]->start <= s->chapters[i+1]->start);
- assert(!av_cmp_q(s->chapters[i]->time_base, s->chapters[i+1]->time_base));
- s->chapters[i]->end = s->chapters[i+1]->start;
+ AVChapter *ch = s->chapters[i];
+ int64_t end = max_time ? av_rescale_q(max_time, AV_TIME_BASE_Q, ch->time_base)
+ : INT64_MAX;
+
+ for (j = 0; j < s->nb_chapters; j++) {
+ AVChapter *ch1 = s->chapters[j];
+ int64_t next_start = av_rescale_q(ch1->start, ch1->time_base, ch->time_base);
+ if (j != i && next_start > ch->start && next_start < end)
+ end = next_start;
+ }
+ ch->end = (end == INT64_MAX) ? ch->start : end;
}
-
- if (s->nb_chapters && s->chapters[i]->end == AV_NOPTS_VALUE) {
- assert(s->start_time != AV_NOPTS_VALUE);
- assert(s->duration > 0);
- s->chapters[i]->end = av_rescale_q(s->start_time + s->duration,
- AV_TIME_BASE_Q,
- s->chapters[i]->time_base);
- }
}
-#define MAX_STD_TIMEBASES (60*12+5)
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;
return 0;
}
+#if FF_API_FORMAT_PARAMETERS
int av_find_stream_info(AVFormatContext *ic)
+{
+ return avformat_find_stream_info(ic, NULL);
+}
+#endif
+
+int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
{
int i, count, ret, read_size, j;
AVStream *st;
AVPacket pkt1, *pkt;
- int64_t last_dts[MAX_STREAMS];
- int64_t duration_gcd[MAX_STREAMS]={0};
- int duration_count[MAX_STREAMS]={0};
- double (*duration_error)[MAX_STD_TIMEBASES];
- int64_t old_offset = url_ftell(ic->pb);
- int64_t codec_info_duration[MAX_STREAMS]={0};
- int codec_info_nb_frames[MAX_STREAMS]={0};
-
- duration_error = av_mallocz(MAX_STREAMS * sizeof(*duration_error));
- if (!duration_error) return AVERROR(ENOMEM);
+ int64_t old_offset = avio_tell(ic->pb);
+ int orig_nb_streams = ic->nb_streams; // new streams might appear, no options for those
for(i=0;i<ic->nb_streams;i++) {
+ AVCodec *codec;
st = ic->streams[i];
- if(st->codec->codec_type == CODEC_TYPE_VIDEO){
+
+ if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO ||
+ st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
/* if(!st->time_base.num)
st->time_base= */
if(!st->codec->time_base.num)
st->codec->time_base= st->time_base;
}
//only for the split stuff
- if (!st->parser) {
+ if (!st->parser && !(ic->flags & AVFMT_FLAG_NOPARSE)) {
st->parser = av_parser_init(st->codec->codec_id);
if(st->need_parsing == AVSTREAM_PARSE_HEADERS && st->parser){
st->parser->flags |= PARSER_FLAG_COMPLETE_FRAMES;
}
}
assert(!st->codec->codec);
+ codec = avcodec_find_decoder(st->codec->codec_id);
+
+ /* Ensure that subtitle_header is properly set. */
+ if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE
+ && codec && !st->codec->codec)
+ avcodec_open2(st->codec, codec, options ? &options[i] : NULL);
+
//try to just open decoders, in case this is enough to get parameters
if(!has_codec_parameters(st->codec)){
- AVCodec *codec = avcodec_find_decoder(st->codec->codec_id);
- if (codec)
- avcodec_open(st->codec, codec);
+ if (codec && !st->codec->codec)
+ avcodec_open2(st->codec, codec, options ? &options[i] : NULL);
}
}
- for(i=0;i<MAX_STREAMS;i++){
- last_dts[i]= AV_NOPTS_VALUE;
+ for (i=0; i<ic->nb_streams; i++) {
+ ic->streams[i]->info->last_dts = AV_NOPTS_VALUE;
}
count = 0;
read_size = 0;
for(;;) {
if(url_interrupt_cb()){
- ret= AVERROR(EINTR);
+ ret= AVERROR_EXIT;
av_log(ic, AV_LOG_DEBUG, "interrupted\n");
break;
}
/* check if one codec still needs to be handled */
for(i=0;i<ic->nb_streams;i++) {
+ int fps_analyze_framecount = 20;
+
st = ic->streams[i];
if (!has_codec_parameters(st->codec))
break;
+ /* if the timebase is coarse (like the usual millisecond precision
+ of mkv), we need to analyze more frames to reliably arrive at
+ the correct fps */
+ if (av_q2d(st->time_base) > 0.0005)
+ fps_analyze_framecount *= 2;
+ if (ic->fps_probe_size >= 0)
+ fps_analyze_framecount = ic->fps_probe_size;
/* variable fps and no guess at the real fps */
- if( tb_unreliable(st->codec)
- && duration_count[i]<20 && st->codec->codec_type == CODEC_TYPE_VIDEO)
+ if( tb_unreliable(st->codec) && !(st->r_frame_rate.num && st->avg_frame_rate.num)
+ && st->info->duration_count < fps_analyze_framecount
+ && st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
break;
if(st->parser && st->parser->parser->split && !st->codec->extradata)
break;
/* we did not get all the codec info, but we read too much data */
if (read_size >= ic->probesize) {
ret = count;
- av_log(ic, AV_LOG_WARNING, "MAX_READ_SIZE:%d reached\n", ic->probesize);
+ av_log(ic, AV_LOG_DEBUG, "Probe buffer size limit %d reached\n", ic->probesize);
break;
}
/* NOTE: a new stream can be added there if no header in file
(AVFMTCTX_NOHEADER) */
ret = av_read_frame_internal(ic, &pkt1);
- if(ret == AVERROR(EAGAIN))
+ if (ret == AVERROR(EAGAIN))
continue;
+
if (ret < 0) {
/* EOF or error */
ret = -1; /* we could not have all the codec parameters before EOF */
}
pkt= add_to_pktbuf(&ic->packet_buffer, &pkt1, &ic->packet_buffer_end);
- if(av_dup_packet(pkt) < 0) {
- av_free(duration_error);
- return AVERROR(ENOMEM);
- }
+ if ((ret = av_dup_packet(pkt)) < 0)
+ goto find_stream_info_err;
read_size += pkt->size;
st = ic->streams[pkt->stream_index];
- if(codec_info_nb_frames[st->index]>1) {
- if (st->time_base.den > 0 && av_rescale_q(codec_info_duration[st->index], st->time_base, AV_TIME_BASE_Q) >= ic->max_analyze_duration){
+ 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");
break;
}
- codec_info_duration[st->index] += pkt->duration;
+ st->info->codec_info_duration += pkt->duration;
}
- if (pkt->duration != 0)
- codec_info_nb_frames[st->index]++;
-
{
- int index= pkt->stream_index;
- int64_t last= last_dts[index];
+ int64_t last = st->info->last_dts;
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);
-// if(st->codec->codec_type == CODEC_TYPE_VIDEO)
+// if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
// av_log(NULL, AV_LOG_ERROR, "%f\n", dur);
- if(duration_count[index] < 2)
- memset(duration_error[index], 0, sizeof(*duration_error));
- for(i=1; i<MAX_STD_TIMEBASES; i++){
+ 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++) {
int framerate= get_std_framerate(i);
int ticks= lrintf(dur*framerate/(1001*12));
double error= dur - ticks*1001*12/(double)framerate;
- duration_error[index][i] += error*error;
+ st->info->duration_error[i] += error*error;
}
- duration_count[index]++;
+ st->info->duration_count++;
// ignore the first 4 values, they might have some random jitter
- if (duration_count[index] > 3)
- duration_gcd[index] = av_gcd(duration_gcd[index], duration);
+ if (st->info->duration_count > 3)
+ st->info->duration_gcd = av_gcd(st->info->duration_gcd, duration);
}
- if(last == AV_NOPTS_VALUE || duration_count[index]<=1)
- last_dts[pkt->stream_index]= pkt->dts;
+ if (last == AV_NOPTS_VALUE || st->info->duration_count <= 1)
+ st->info->last_dts = pkt->dts;
}
if(st->parser && st->parser->parser->split && !st->codec->extradata){
int i= st->parser->parser->split(st->codec, pkt->data, pkt->size);
/* if still no information, we try to open the codec and to
decompress the frame. We try to avoid that in most cases as
it takes longer and uses more memory. For MPEG-4, we need to
- decompress for QuickTime. */
- if (!has_codec_parameters(st->codec))
- try_decode_frame(st, pkt);
+ decompress for QuickTime.
+ If CODEC_CAP_CHANNEL_CONF is set this will force decoding of at
+ 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);
+
+ st->codec_info_nb_frames++;
count++;
}
}
for(i=0;i<ic->nb_streams;i++) {
st = ic->streams[i];
- if(codec_info_nb_frames[i]>2 && !st->avg_frame_rate.num)
+ if (st->codec_info_nb_frames>2 && !st->avg_frame_rate.num && st->info->codec_info_duration)
av_reduce(&st->avg_frame_rate.num, &st->avg_frame_rate.den,
- (codec_info_nb_frames[i]-2)*(int64_t)st->time_base.den,
- codec_info_duration[i] *(int64_t)st->time_base.num, 60000);
- if (st->codec->codec_type == CODEC_TYPE_VIDEO) {
+ (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);
// 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) && duration_count[i] > 15 && duration_gcd[i] > 1)
- av_reduce(&st->r_frame_rate.num, &st->r_frame_rate.den, st->time_base.den, st->time_base.num * duration_gcd[i], INT_MAX);
- if(duration_count[i]
+ if (tb_unreliable(st->codec) && st->info->duration_count > 15 && st->info->duration_gcd > 1 && !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]/duration_count[i]*101LL > st->time_base.den*/){
+ 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*duration_count[i]*1000*12*30;
+ best_error = best_error*best_error*st->info->duration_count*1000*12*30;
- for(j=1; j<MAX_STD_TIMEBASES; j++){
- double error= duration_error[i][j] * get_std_framerate(j);
-// if(st->codec->codec_type == CODEC_TYPE_VIDEO)
+ 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;
st->r_frame_rate.den = st->time_base.num;
}
}
- }else if(st->codec->codec_type == CODEC_TYPE_AUDIO) {
+ }else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
if(!st->codec->bits_per_coded_sample)
st->codec->bits_per_coded_sample= av_get_bits_per_sample(st->codec->codec_id);
+ // set stream disposition based on audio service type
+ switch (st->codec->audio_service_type) {
+ case AV_AUDIO_SERVICE_TYPE_EFFECTS:
+ st->disposition = AV_DISPOSITION_CLEAN_EFFECTS; break;
+ case AV_AUDIO_SERVICE_TYPE_VISUALLY_IMPAIRED:
+ st->disposition = AV_DISPOSITION_VISUAL_IMPAIRED; break;
+ case AV_AUDIO_SERVICE_TYPE_HEARING_IMPAIRED:
+ st->disposition = AV_DISPOSITION_HEARING_IMPAIRED; break;
+ case AV_AUDIO_SERVICE_TYPE_COMMENTARY:
+ st->disposition = AV_DISPOSITION_COMMENT; break;
+ case AV_AUDIO_SERVICE_TYPE_KARAOKE:
+ st->disposition = AV_DISPOSITION_KARAOKE; break;
+ }
}
}
/* correct DTS for B-frame streams with no timestamps */
for(i=0;i<ic->nb_streams;i++) {
st = ic->streams[i];
- if (st->codec->codec_type == CODEC_TYPE_VIDEO) {
+ if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
if(b-frames){
ppktl = &ic->packet_buffer;
while(ppkt1){
}
#endif
- av_free(duration_error);
+ find_stream_info_err:
+ for (i=0; i < ic->nb_streams; i++)
+ av_freep(&ic->streams[i]->info);
+ return ret;
+}
+
+static AVProgram *find_program_from_stream(AVFormatContext *ic, 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];
+ return NULL;
+}
+int av_find_best_stream(AVFormatContext *ic,
+ enum AVMediaType type,
+ int wanted_stream_nb,
+ int related_stream,
+ AVCodec **decoder_ret,
+ int flags)
+{
+ int i, nb_streams = ic->nb_streams;
+ int ret = AVERROR_STREAM_NOT_FOUND, best_count = -1;
+ unsigned *program = NULL;
+ AVCodec *decoder = NULL, *best_decoder = NULL;
+
+ if (related_stream >= 0 && wanted_stream_nb < 0) {
+ AVProgram *p = find_program_from_stream(ic, related_stream);
+ if (p) {
+ program = p->stream_index;
+ nb_streams = p->nb_stream_indexes;
+ }
+ }
+ for (i = 0; i < nb_streams; i++) {
+ int real_stream_index = program ? program[i] : i;
+ AVStream *st = ic->streams[real_stream_index];
+ AVCodecContext *avctx = st->codec;
+ if (avctx->codec_type != type)
+ continue;
+ if (wanted_stream_nb >= 0 && real_stream_index != wanted_stream_nb)
+ continue;
+ if (st->disposition & (AV_DISPOSITION_HEARING_IMPAIRED|AV_DISPOSITION_VISUAL_IMPAIRED))
+ continue;
+ if (decoder_ret) {
+ decoder = avcodec_find_decoder(st->codec->codec_id);
+ if (!decoder) {
+ if (ret < 0)
+ ret = AVERROR_DECODER_NOT_FOUND;
+ continue;
+ }
+ }
+ if (best_count >= st->codec_info_nb_frames)
+ continue;
+ best_count = st->codec_info_nb_frames;
+ ret = real_stream_index;
+ best_decoder = decoder;
+ if (program && i == nb_streams - 1 && ret < 0) {
+ program = NULL;
+ nb_streams = ic->nb_streams;
+ i = 0; /* no related stream found, try again with everything */
+ }
+ }
+ if (decoder_ret)
+ *decoder_ret = best_decoder;
return ret;
}
if (s->iformat->read_play)
return s->iformat->read_play(s);
if (s->pb)
- return av_url_read_fpause(s->pb, 0);
+ return avio_pause(s->pb, 0);
return AVERROR(ENOSYS);
}
if (s->iformat->read_pause)
return s->iformat->read_pause(s);
if (s->pb)
- return av_url_read_fpause(s->pb, 1);
+ return avio_pause(s->pb, 1);
return AVERROR(ENOSYS);
}
void av_close_input_stream(AVFormatContext *s)
+{
+ flush_packet_queue(s);
+ if (s->iformat->read_close)
+ s->iformat->read_close(s);
+ avformat_free_context(s);
+}
+
+void avformat_free_context(AVFormatContext *s)
{
int i;
AVStream *st;
- if (s->iformat->read_close)
- s->iformat->read_close(s);
+ av_opt_free(s);
+ if (s->iformat && s->iformat->priv_class && s->priv_data)
+ av_opt_free(s->priv_data);
+
for(i=0;i<s->nb_streams;i++) {
/* free all data in a stream component */
st = s->streams[i];
av_parser_close(st->parser);
av_free_packet(&st->cur_pkt);
}
- av_metadata_free(&st->metadata);
+ 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);
-#if LIBAVFORMAT_VERSION_INT < (53<<16)
- av_free(st->filename);
-#endif
av_free(st->priv_data);
+ av_free(st->info);
av_free(st);
}
for(i=s->nb_programs-1; i>=0; i--) {
-#if LIBAVFORMAT_VERSION_INT < (53<<16)
- av_freep(&s->programs[i]->provider_name);
- av_freep(&s->programs[i]->name);
-#endif
- av_metadata_free(&s->programs[i]->metadata);
+ av_dict_free(&s->programs[i]->metadata);
av_freep(&s->programs[i]->stream_index);
av_freep(&s->programs[i]);
}
av_freep(&s->programs);
- flush_packet_queue(s);
av_freep(&s->priv_data);
while(s->nb_chapters--) {
-#if LIBAVFORMAT_VERSION_INT < (53<<16)
- av_free(s->chapters[s->nb_chapters]->title);
-#endif
- av_metadata_free(&s->chapters[s->nb_chapters]->metadata);
+ av_dict_free(&s->chapters[s->nb_chapters]->metadata);
av_free(s->chapters[s->nb_chapters]);
}
av_freep(&s->chapters);
- av_metadata_free(&s->metadata);
+ av_dict_free(&s->metadata);
+ av_freep(&s->streams);
av_free(s);
}
void av_close_input_file(AVFormatContext *s)
{
- ByteIOContext *pb = s->iformat->flags & AVFMT_NOFILE ? NULL : s->pb;
+ AVIOContext *pb = (s->iformat->flags & AVFMT_NOFILE) || (s->flags & AVFMT_FLAG_CUSTOM_IO) ?
+ NULL : s->pb;
av_close_input_stream(s);
if (pb)
- url_fclose(pb);
+ avio_close(pb);
}
AVStream *av_new_stream(AVFormatContext *s, int id)
{
AVStream *st;
int i;
+ AVStream **streams;
- if (s->nb_streams >= MAX_STREAMS)
+ if (s->nb_streams >= INT_MAX/sizeof(*streams))
+ return NULL;
+ streams = av_realloc(s->streams, (s->nb_streams + 1) * sizeof(*streams));
+ if (!streams)
return NULL;
+ s->streams = streams;
st = av_mallocz(sizeof(AVStream));
if (!st)
return NULL;
+ if (!(st->info = av_mallocz(sizeof(*st->info)))) {
+ av_free(st);
+ return NULL;
+ }
- st->codec= avcodec_alloc_context();
+ st->codec = avcodec_alloc_context3(NULL);
if (s->iformat) {
/* no default bitrate if decoding */
st->codec->bit_rate = 0;
AVProgram *program=NULL;
int i;
-#ifdef DEBUG_SI
- av_log(ac, AV_LOG_DEBUG, "new_program: id=0x%04x\n", id);
-#endif
+ av_dlog(ac, "new_program: id=0x%04x\n", id);
for(i=0; i<ac->nb_programs; i++)
if(ac->programs[i]->id == id)
return NULL;
dynarray_add(&s->chapters, &s->nb_chapters, chapter);
}
-#if LIBAVFORMAT_VERSION_INT < (53<<16)
- av_free(chapter->title);
-#endif
- av_metadata_set(&chapter->metadata, "title", title);
+ av_dict_set(&chapter->metadata, "title", title, 0);
chapter->id = id;
chapter->time_base= time_base;
chapter->start = start;
/************************************************************/
/* output media file */
+#if FF_API_FORMAT_PARAMETERS
int av_set_parameters(AVFormatContext *s, AVFormatParameters *ap)
{
int ret;
s->priv_data = av_mallocz(s->oformat->priv_data_size);
if (!s->priv_data)
return AVERROR(ENOMEM);
+ 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;
}
return 0;
}
+#endif
+
+static int validate_codec_tag(AVFormatContext *s, AVStream *st)
+{
+ const AVCodecTag *avctag;
+ int n;
+ enum CodecID id = CODEC_ID_NONE;
+ unsigned int tag = 0;
+
+ /**
+ * Check that tag + id is in the table
+ * If neither is in the table -> OK
+ * If tag is in the table with another id -> FAIL
+ * If id is in the table with another tag -> FAIL unless strict < normal
+ */
+ for (n = 0; s->oformat->codec_tag[n]; n++) {
+ avctag = s->oformat->codec_tag[n];
+ while (avctag->id != CODEC_ID_NONE) {
+ if (ff_toupper4(avctag->tag) == ff_toupper4(st->codec->codec_tag)) {
+ id = avctag->id;
+ if (id == st->codec->codec_id)
+ return 1;
+ }
+ if (avctag->id == st->codec->codec_id)
+ tag = avctag->tag;
+ avctag++;
+ }
+ }
+ if (id != CODEC_ID_NONE)
+ return 0;
+ if (tag && (st->codec->strict_std_compliance >= FF_COMPLIANCE_NORMAL))
+ return 0;
+ return 1;
+}
+#if FF_API_FORMAT_PARAMETERS
int av_write_header(AVFormatContext *s)
{
- int ret, i;
+ return avformat_write_header(s, NULL);
+}
+#endif
+
+int avformat_write_header(AVFormatContext *s, AVDictionary **options)
+{
+ int ret = 0, i;
AVStream *st;
+ AVDictionary *tmp = NULL;
+
+ if (options)
+ av_dict_copy(&tmp, *options, 0);
+ if ((ret = av_opt_set_dict(s, &tmp)) < 0)
+ goto fail;
// some sanity checks
- if (s->nb_streams == 0) {
+ if (s->nb_streams == 0 && !(s->oformat->flags & AVFMT_NOSTREAMS)) {
av_log(s, AV_LOG_ERROR, "no streams\n");
- return -1;
+ ret = AVERROR(EINVAL);
+ goto fail;
}
for(i=0;i<s->nb_streams;i++) {
st = s->streams[i];
switch (st->codec->codec_type) {
- case CODEC_TYPE_AUDIO:
+ case AVMEDIA_TYPE_AUDIO:
if(st->codec->sample_rate<=0){
av_log(s, AV_LOG_ERROR, "sample rate not set\n");
- return -1;
+ ret = AVERROR(EINVAL);
+ goto fail;
}
if(!st->codec->block_align)
st->codec->block_align = st->codec->channels *
av_get_bits_per_sample(st->codec->codec_id) >> 3;
break;
- case CODEC_TYPE_VIDEO:
+ case AVMEDIA_TYPE_VIDEO:
if(st->codec->time_base.num<=0 || st->codec->time_base.den<=0){ //FIXME audio too?
av_log(s, AV_LOG_ERROR, "time base not set\n");
- return -1;
+ ret = AVERROR(EINVAL);
+ goto fail;
}
- if(st->codec->width<=0 || st->codec->height<=0){
+ if((st->codec->width<=0 || st->codec->height<=0) && !(s->oformat->flags & AVFMT_NODIMENSIONS)){
av_log(s, AV_LOG_ERROR, "dimensions not set\n");
- return -1;
+ ret = AVERROR(EINVAL);
+ goto fail;
}
if(av_cmp_q(st->sample_aspect_ratio, st->codec->sample_aspect_ratio)){
av_log(s, AV_LOG_ERROR, "Aspect ratio mismatch between encoder and muxer layer\n");
- return -1;
+ ret = AVERROR(EINVAL);
+ goto fail;
}
break;
}
if(s->oformat->codec_tag){
+ if(st->codec->codec_tag && st->codec->codec_id == CODEC_ID_RAWVIDEO && av_codec_get_tag(s->oformat->codec_tag, st->codec->codec_id) == 0 && !validate_codec_tag(s, st)){
+ //the current rawvideo encoding system ends up setting the wrong codec_tag for avi, we override it here
+ st->codec->codec_tag= 0;
+ }
if(st->codec->codec_tag){
- //FIXME
- //check that tag + id is in the table
- //if neither is in the table -> OK
- //if tag is in the table with another id -> FAIL
- //if id is in the table with another tag -> FAIL unless strict < ?
+ if (!validate_codec_tag(s, st)) {
+ char tagbuf[32];
+ av_get_codec_tag_string(tagbuf, sizeof(tagbuf), st->codec->codec_tag);
+ av_log(s, AV_LOG_ERROR,
+ "Tag %s/0x%08x incompatible with output codec id '%d'\n",
+ tagbuf, st->codec->codec_tag, st->codec->codec_id);
+ ret = AVERROR_INVALIDDATA;
+ goto fail;
+ }
}else
st->codec->codec_tag= av_codec_get_tag(s->oformat->codec_tag, st->codec->codec_id);
}
if (!s->priv_data && s->oformat->priv_data_size > 0) {
s->priv_data = av_mallocz(s->oformat->priv_data_size);
- if (!s->priv_data)
- return AVERROR(ENOMEM);
+ if (!s->priv_data) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+ if (s->oformat->priv_class) {
+ *(const AVClass**)s->priv_data= s->oformat->priv_class;
+ av_opt_set_defaults(s->priv_data);
+ if ((ret = av_opt_set_dict(s->priv_data, &tmp)) < 0)
+ goto fail;
+ }
}
-#if LIBAVFORMAT_VERSION_MAJOR < 53
- ff_metadata_mux_compat(s);
-#endif
+ /* set muxer identification string */
+ if (s->nb_streams && !(s->streams[0]->codec->flags & CODEC_FLAG_BITEXACT)) {
+ av_dict_set(&s->metadata, "encoder", LIBAVFORMAT_IDENT, 0);
+ }
if(s->oformat->write_header){
ret = s->oformat->write_header(s);
if (ret < 0)
- return ret;
+ goto fail;
}
/* init PTS generation */
st = s->streams[i];
switch (st->codec->codec_type) {
- case CODEC_TYPE_AUDIO:
+ case AVMEDIA_TYPE_AUDIO:
den = (int64_t)st->time_base.num * st->codec->sample_rate;
break;
- case CODEC_TYPE_VIDEO:
+ case AVMEDIA_TYPE_VIDEO:
den = (int64_t)st->time_base.num * st->codec->time_base.den;
break;
default:
break;
}
if (den != AV_NOPTS_VALUE) {
- if (den <= 0)
- return AVERROR_INVALIDDATA;
+ if (den <= 0) {
+ ret = AVERROR_INVALIDDATA;
+ goto fail;
+ }
av_frac_init(&st->pts, 0, 0, den);
}
}
+
+ if (options) {
+ av_dict_free(options);
+ *options = tmp;
+ }
return 0;
+fail:
+ av_dict_free(&tmp);
+ return ret;
}
//FIXME merge with compute_pkt_fields
int delay = FFMAX(st->codec->has_b_frames, !!st->codec->max_b_frames);
int num, den, frame_size, i;
-// av_log(s, AV_LOG_DEBUG, "av_write_frame: pts:%"PRId64" dts:%"PRId64" cur_dts:%"PRId64" b:%d size:%d st:%d\n", pkt->pts, pkt->dts, st->cur_dts, delay, pkt->size, pkt->stream_index);
+ av_dlog(s, "compute_pkt_fields2: pts:%"PRId64" dts:%"PRId64" cur_dts:%"PRId64" b:%d size:%d st:%d\n",
+ pkt->pts, pkt->dts, st->cur_dts, delay, pkt->size, pkt->stream_index);
/* if(pkt->pts == AV_NOPTS_VALUE && pkt->dts == AV_NOPTS_VALUE)
- return -1;*/
+ return AVERROR(EINVAL);*/
/* duration field */
if (pkt->duration == 0) {
if(pkt->pts != AV_NOPTS_VALUE && pkt->dts == AV_NOPTS_VALUE && delay <= MAX_REORDER_DELAY){
st->pts_buffer[0]= pkt->pts;
for(i=1; i<delay+1 && st->pts_buffer[i] == AV_NOPTS_VALUE; i++)
- st->pts_buffer[i]= (i-delay-1) * pkt->duration;
+ st->pts_buffer[i]= pkt->pts + (i-delay-1) * pkt->duration;
for(i=0; i<delay && st->pts_buffer[i] > st->pts_buffer[i+1]; i++)
FFSWAP(int64_t, st->pts_buffer[i], st->pts_buffer[i+1]);
if(st->cur_dts && st->cur_dts != AV_NOPTS_VALUE && st->cur_dts >= pkt->dts){
av_log(s, AV_LOG_ERROR,
- "st:%d error, non monotone timestamps %"PRId64" >= %"PRId64"\n",
+ "Application provided invalid, non monotonically increasing dts to muxer in stream %d: %"PRId64" >= %"PRId64"\n",
st->index, st->cur_dts, pkt->dts);
- return -1;
+ return AVERROR(EINVAL);
}
if(pkt->dts != AV_NOPTS_VALUE && pkt->pts != AV_NOPTS_VALUE && pkt->pts < pkt->dts){
- av_log(s, AV_LOG_ERROR, "st:%d error, pts < dts\n", st->index);
- return -1;
+ av_log(s, AV_LOG_ERROR, "pts < dts in stream %d\n", st->index);
+ return AVERROR(EINVAL);
}
// av_log(s, AV_LOG_DEBUG, "av_write_frame: pts2:%"PRId64" dts2:%"PRId64"\n", pkt->pts, pkt->dts);
/* update pts */
switch (st->codec->codec_type) {
- case CODEC_TYPE_AUDIO:
+ case AVMEDIA_TYPE_AUDIO:
frame_size = get_audio_frame_size(st->codec, pkt->size);
/* HACK/FIXME, we skip the initial 0 size packets as they are most
av_frac_add(&st->pts, (int64_t)st->time_base.den * frame_size);
}
break;
- case CODEC_TYPE_VIDEO:
+ case AVMEDIA_TYPE_VIDEO:
av_frac_add(&st->pts, (int64_t)st->time_base.den * st->codec->time_base.num);
break;
default:
return ret;
ret= s->oformat->write_packet(s, pkt);
- if(!ret)
- ret= url_ferror(s->pb);
+
+ if (ret >= 0)
+ s->streams[pkt->stream_index]->nb_frames++;
return ret;
}
*next_point= this_pktl;
}
-int ff_interleave_compare_dts(AVFormatContext *s, AVPacket *next, AVPacket *pkt)
+static int ff_interleave_compare_dts(AVFormatContext *s, AVPacket *next, AVPacket *pkt)
{
AVStream *st = s->streams[ pkt ->stream_index];
AVStream *st2= s->streams[ next->stream_index];
- int64_t a= st2->time_base.num * (int64_t)st ->time_base.den;
- int64_t b= st ->time_base.num * (int64_t)st2->time_base.den;
- return av_rescale_rnd(pkt->dts, b, a, AV_ROUND_DOWN) < next->dts;
+ int comp = av_compare_ts(next->dts, st2->time_base, pkt->dts,
+ st->time_base);
+
+ if (comp == 0)
+ return pkt->stream_index < next->stream_index;
+ return comp > 0;
}
int av_interleave_packet_per_dts(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush){
}
/**
- * Interleaves an AVPacket correctly so it can be muxed.
+ * Interleave an AVPacket correctly so it can be muxed.
* @param out the interleaved packet will be output here
* @param in the input packet
* @param flush 1 if no further packets are available as input and all
int av_interleaved_write_frame(AVFormatContext *s, AVPacket *pkt){
AVStream *st= s->streams[ pkt->stream_index];
+ int ret;
//FIXME/XXX/HACK drop zero sized packets
- if(st->codec->codec_type == CODEC_TYPE_AUDIO && pkt->size==0)
+ if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->size==0)
return 0;
-//av_log(NULL, AV_LOG_DEBUG, "av_interleaved_write_frame %d %"PRId64" %"PRId64"\n", pkt->size, pkt->dts, pkt->pts);
- if(compute_pkt_fields2(s, st, pkt) < 0 && !(s->oformat->flags & AVFMT_NOTIMESTAMPS))
- return -1;
+ av_dlog(s, "av_interleaved_write_frame size:%d dts:%"PRId64" pts:%"PRId64"\n",
+ pkt->size, pkt->dts, pkt->pts);
+ if((ret = compute_pkt_fields2(s, st, pkt)) < 0 && !(s->oformat->flags & AVFMT_NOTIMESTAMPS))
+ return ret;
if(pkt->dts == AV_NOPTS_VALUE && !(s->oformat->flags & AVFMT_NOTIMESTAMPS))
- return -1;
+ return AVERROR(EINVAL);
for(;;){
AVPacket opkt;
return ret;
ret= s->oformat->write_packet(s, &opkt);
+ if (ret >= 0)
+ s->streams[opkt.stream_index]->nb_frames++;
av_free_packet(&opkt);
pkt= NULL;
if(ret<0)
return ret;
- if(url_ferror(s->pb))
- return url_ferror(s->pb);
}
}
break;
ret= s->oformat->write_packet(s, &pkt);
+ if (ret >= 0)
+ s->streams[pkt.stream_index]->nb_frames++;
av_free_packet(&pkt);
if(ret<0)
goto fail;
- if(url_ferror(s->pb))
- goto fail;
}
if(s->oformat->write_trailer)
ret = s->oformat->write_trailer(s);
fail:
- if(ret == 0)
- ret=url_ferror(s->pb);
- for(i=0;i<s->nb_streams;i++)
+ for(i=0;i<s->nb_streams;i++) {
av_freep(&s->streams[i]->priv_data);
+ av_freep(&s->streams[i]->index_entries);
+ }
+ if (s->iformat && s->iformat->priv_class)
+ av_opt_free(s->priv_data);
av_freep(&s->priv_data);
return ret;
}
-void av_program_add_stream_index(AVFormatContext *ac, int progid, unsigned int idx)
+void ff_program_add_stream_index(AVFormatContext *ac, int progid, unsigned int idx)
{
int i, j;
AVProgram *program=NULL;
else av_log(NULL, AV_LOG_INFO, ", %1.0fk %s", d/1000, postfix);
}
-static void dump_metadata(void *ctx, AVMetadata *m, const char *indent)
+static void dump_metadata(void *ctx, AVDictionary *m, const char *indent)
{
- if(m && !(m->count == 1 && av_metadata_get(m, "language", NULL, 0))){
- AVMetadataTag *tag=NULL;
+ if(m && !(m->count == 1 && av_dict_get(m, "language", NULL, 0))){
+ AVDictionaryEntry *tag=NULL;
av_log(ctx, AV_LOG_INFO, "%sMetadata:\n", indent);
- while((tag=av_metadata_get(m, "", tag, AV_METADATA_IGNORE_SUFFIX))) {
+ 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);
}
int flags = (is_output ? ic->oformat->flags : ic->iformat->flags);
AVStream *st = ic->streams[i];
int g = av_gcd(st->time_base.num, st->time_base.den);
- AVMetadataTag *lang = av_metadata_get(st->metadata, "language", NULL, 0);
+ 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);
/* the pid is an important information, so we display it */
av_log(NULL, AV_LOG_INFO, "[0x%x]", st->id);
if (lang)
av_log(NULL, AV_LOG_INFO, "(%s)", lang->value);
- av_log(NULL, AV_LOG_DEBUG, ", %d/%d", st->time_base.num/g, st->time_base.den/g);
+ av_log(NULL, AV_LOG_DEBUG, ", %d, %d/%d", st->codec_info_nb_frames, st->time_base.num/g, st->time_base.den/g);
av_log(NULL, AV_LOG_INFO, ": %s", buf);
if (st->sample_aspect_ratio.num && // default
av_cmp_q(st->sample_aspect_ratio, st->codec->sample_aspect_ratio)) {
st->sample_aspect_ratio.num, st->sample_aspect_ratio.den,
display_aspect_ratio.num, display_aspect_ratio.den);
}
- if(st->codec->codec_type == CODEC_TYPE_VIDEO){
+ 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(st->r_frame_rate.den && st->r_frame_rate.num)
if(st->codec->time_base.den && st->codec->time_base.num)
print_fps(1/av_q2d(st->codec->time_base), "tbc");
}
+ if (st->disposition & AV_DISPOSITION_DEFAULT)
+ av_log(NULL, AV_LOG_INFO, " (default)");
+ if (st->disposition & AV_DISPOSITION_DUB)
+ av_log(NULL, AV_LOG_INFO, " (dub)");
+ if (st->disposition & AV_DISPOSITION_ORIGINAL)
+ av_log(NULL, AV_LOG_INFO, " (original)");
+ if (st->disposition & AV_DISPOSITION_COMMENT)
+ av_log(NULL, AV_LOG_INFO, " (comment)");
+ if (st->disposition & AV_DISPOSITION_LYRICS)
+ av_log(NULL, AV_LOG_INFO, " (lyrics)");
+ if (st->disposition & AV_DISPOSITION_KARAOKE)
+ av_log(NULL, AV_LOG_INFO, " (karaoke)");
+ if (st->disposition & AV_DISPOSITION_FORCED)
+ av_log(NULL, AV_LOG_INFO, " (forced)");
+ if (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED)
+ av_log(NULL, AV_LOG_INFO, " (hearing impaired)");
+ if (st->disposition & AV_DISPOSITION_VISUAL_IMPAIRED)
+ av_log(NULL, AV_LOG_INFO, " (visual impaired)");
+ if (st->disposition & AV_DISPOSITION_CLEAN_EFFECTS)
+ av_log(NULL, AV_LOG_INFO, " (clean effects)");
av_log(NULL, AV_LOG_INFO, "\n");
dump_metadata(NULL, st->metadata, " ");
}
+#if FF_API_DUMP_FORMAT
void dump_format(AVFormatContext *ic,
int index,
const char *url,
int is_output)
+{
+ av_dump_format(ic, index, url, is_output);
+}
+#endif
+
+void av_dump_format(AVFormatContext *ic,
+ int index,
+ const char *url,
+ int is_output)
{
int i;
uint8_t *printed = av_mallocz(ic->nb_streams);
int secs, us;
av_log(NULL, AV_LOG_INFO, ", start: ");
secs = ic->start_time / AV_TIME_BASE;
- us = ic->start_time % AV_TIME_BASE;
+ us = abs(ic->start_time % AV_TIME_BASE);
av_log(NULL, AV_LOG_INFO, "%d.%06d",
secs, (int)av_rescale(us, 1000000, AV_TIME_BASE));
}
}
av_log(NULL, AV_LOG_INFO, "\n");
}
+ for (i = 0; i < ic->nb_chapters; i++) {
+ AVChapter *ch = ic->chapters[i];
+ av_log(NULL, AV_LOG_INFO, " Chapter #%d.%d: ", index, i);
+ av_log(NULL, AV_LOG_INFO, "start %f, ", ch->start * av_q2d(ch->time_base));
+ av_log(NULL, AV_LOG_INFO, "end %f\n", ch->end * av_q2d(ch->time_base));
+
+ dump_metadata(NULL, ch->metadata, " ");
+ }
if(ic->nb_programs) {
int j, k, total = 0;
for(j=0; j<ic->nb_programs; j++) {
- AVMetadataTag *name = av_metadata_get(ic->programs[j]->metadata,
+ AVDictionaryEntry *name = av_dict_get(ic->programs[j]->metadata,
"name", NULL, 0);
av_log(NULL, AV_LOG_INFO, " Program %d %s\n", ic->programs[j]->id,
name ? name->value : "");
av_free(printed);
}
-#if LIBAVFORMAT_VERSION_MAJOR < 53
-int parse_image_size(int *width_ptr, int *height_ptr, const char *str)
-{
- return av_parse_video_frame_size(width_ptr, height_ptr, str);
-}
-
-int parse_frame_rate(int *frame_rate_num, int *frame_rate_den, const char *arg)
-{
- AVRational frame_rate;
- int ret = av_parse_video_frame_rate(&frame_rate, arg);
- *frame_rate_num= frame_rate.num;
- *frame_rate_den= frame_rate.den;
- return ret;
-}
-#endif
-
int64_t av_gettime(void)
{
struct timeval tv;
return (int64_t)tv.tv_sec * 1000000 + tv.tv_usec;
}
-int64_t parse_date(const char *datestr, int duration)
+uint64_t ff_ntp_time(void)
{
- const char *p;
- int64_t t;
- struct tm dt;
- int i;
- static const char * const date_fmt[] = {
- "%Y-%m-%d",
- "%Y%m%d",
- };
- static const char * const time_fmt[] = {
- "%H:%M:%S",
- "%H%M%S",
- };
- const char *q;
- int is_utc, len;
- char lastch;
- int negative = 0;
-
-#undef time
- time_t now = time(0);
-
- len = strlen(datestr);
- if (len > 0)
- lastch = datestr[len - 1];
- else
- lastch = '\0';
- is_utc = (lastch == 'z' || lastch == 'Z');
-
- memset(&dt, 0, sizeof(dt));
-
- p = datestr;
- q = NULL;
- if (!duration) {
- if (!strncasecmp(datestr, "now", len))
- return (int64_t) now * 1000000;
-
- /* parse the year-month-day part */
- for (i = 0; i < FF_ARRAY_ELEMS(date_fmt); i++) {
- q = small_strptime(p, date_fmt[i], &dt);
- if (q) {
- break;
- }
- }
-
- /* if the year-month-day part is missing, then take the
- * current year-month-day time */
- if (!q) {
- if (is_utc) {
- dt = *gmtime(&now);
- } else {
- dt = *localtime(&now);
- }
- dt.tm_hour = dt.tm_min = dt.tm_sec = 0;
- } else {
- p = q;
- }
-
- if (*p == 'T' || *p == 't' || *p == ' ')
- p++;
-
- /* parse the hour-minute-second part */
- for (i = 0; i < FF_ARRAY_ELEMS(time_fmt); i++) {
- q = small_strptime(p, time_fmt[i], &dt);
- if (q) {
- break;
- }
- }
- } else {
- /* parse datestr as a duration */
- if (p[0] == '-') {
- negative = 1;
- ++p;
- }
- /* parse datestr as HH:MM:SS */
- q = small_strptime(p, time_fmt[0], &dt);
- if (!q) {
- /* parse datestr as S+ */
- dt.tm_sec = strtol(p, (char **)&q, 10);
- if (q == p)
- /* the parsing didn't succeed */
- return INT64_MIN;
- dt.tm_min = 0;
- dt.tm_hour = 0;
- }
- }
-
- /* Now we have all the fields that we can get */
- if (!q) {
- return INT64_MIN;
- }
-
- if (duration) {
- t = dt.tm_hour * 3600 + dt.tm_min * 60 + dt.tm_sec;
- } else {
- dt.tm_isdst = -1; /* unknown */
- if (is_utc) {
- t = mktimegm(&dt);
- } else {
- t = mktime(&dt);
- }
- }
+ return (av_gettime() / 1000) * 1000 + NTP_OFFSET_US;
+}
- t *= 1000000;
+#if FF_API_PARSE_DATE
+#include "libavutil/parseutils.h"
- /* parse the .m... part */
- if (*q == '.') {
- int val, n;
- q++;
- for (val = 0, n = 100000; n >= 1; n /= 10, q++) {
- if (!isdigit(*q))
- break;
- val += n * (*q - '0');
- }
- t += val;
- }
- return negative ? -t : t;
+int64_t parse_date(const char *timestr, int duration)
+{
+ int64_t timeval;
+ av_parse_time(&timeval, timestr, duration);
+ return timeval;
}
+#endif
+
+#if FF_API_FIND_INFO_TAG
+#include "libavutil/parseutils.h"
int find_info_tag(char *arg, int arg_size, const char *tag1, const char *info)
{
- const char *p;
- char tag[128], *q;
-
- p = info;
- if (*p == '?')
- p++;
- for(;;) {
- q = tag;
- while (*p != '\0' && *p != '=' && *p != '&') {
- if ((q - tag) < sizeof(tag) - 1)
- *q++ = *p;
- p++;
- }
- *q = '\0';
- q = arg;
- if (*p == '=') {
- p++;
- while (*p != '&' && *p != '\0') {
- if ((q - arg) < arg_size - 1) {
- if (*p == '+')
- *q++ = ' ';
- else
- *q++ = *p;
- }
- p++;
- }
- *q = '\0';
- }
- if (!strcmp(tag, tag1))
- return 1;
- if (*p != '&')
- break;
- p++;
- }
- return 0;
+ return av_find_info_tag(arg, arg_size, tag1, info);
}
+#endif
int av_get_frame_filename(char *buf, int buf_size,
const char *path, int number)
hex_dump_internal(avcl, NULL, level, buf, size);
}
- //FIXME needs to know the time_base
-static void pkt_dump_internal(void *avcl, FILE *f, int level, AVPacket *pkt, int dump_payload)
+static void pkt_dump_internal(void *avcl, FILE *f, int level, AVPacket *pkt, int dump_payload, AVRational time_base)
{
#undef fprintf
#define PRINT(...) do { if (!f) av_log(avcl, level, __VA_ARGS__); else fprintf(f, __VA_ARGS__); } while(0)
PRINT("stream #%d:\n", pkt->stream_index);
- PRINT(" keyframe=%d\n", ((pkt->flags & PKT_FLAG_KEY) != 0));
- PRINT(" duration=%0.3f\n", (double)pkt->duration / AV_TIME_BASE);
+ PRINT(" keyframe=%d\n", ((pkt->flags & AV_PKT_FLAG_KEY) != 0));
+ PRINT(" duration=%0.3f\n", pkt->duration * av_q2d(time_base));
/* DTS is _always_ valid after av_read_frame() */
PRINT(" dts=");
if (pkt->dts == AV_NOPTS_VALUE)
PRINT("N/A");
else
- PRINT("%0.3f", (double)pkt->dts / AV_TIME_BASE);
+ PRINT("%0.3f", pkt->dts * av_q2d(time_base));
/* PTS may not be known if B-frames are present. */
PRINT(" pts=");
if (pkt->pts == AV_NOPTS_VALUE)
PRINT("N/A");
else
- PRINT("%0.3f", (double)pkt->pts / AV_TIME_BASE);
+ PRINT("%0.3f", pkt->pts * av_q2d(time_base));
PRINT("\n");
PRINT(" size=%d\n", pkt->size);
#undef PRINT
av_hex_dump(f, pkt->data, pkt->size);
}
+#if FF_API_PKT_DUMP
void av_pkt_dump(FILE *f, AVPacket *pkt, int dump_payload)
{
- pkt_dump_internal(NULL, f, 0, pkt, dump_payload);
+ AVRational tb = { 1, AV_TIME_BASE };
+ pkt_dump_internal(NULL, f, 0, pkt, dump_payload, tb);
+}
+#endif
+
+void av_pkt_dump2(FILE *f, AVPacket *pkt, int dump_payload, AVStream *st)
+{
+ pkt_dump_internal(NULL, f, 0, pkt, dump_payload, st->time_base);
}
+#if FF_API_PKT_DUMP
void av_pkt_dump_log(void *avcl, int level, AVPacket *pkt, int dump_payload)
{
- pkt_dump_internal(avcl, NULL, level, pkt, dump_payload);
+ AVRational tb = { 1, AV_TIME_BASE };
+ pkt_dump_internal(avcl, NULL, level, pkt, dump_payload, tb);
+}
+#endif
+
+void av_pkt_dump_log2(void *avcl, int level, AVPacket *pkt, int dump_payload,
+ AVStream *st)
+{
+ pkt_dump_internal(avcl, NULL, level, pkt, dump_payload, st->time_base);
}
-void url_split(char *proto, int proto_size,
- char *authorization, int authorization_size,
- char *hostname, int hostname_size,
- int *port_ptr,
- char *path, int path_size,
- const char *url)
+void av_url_split(char *proto, int proto_size,
+ char *authorization, int authorization_size,
+ char *hostname, int hostname_size,
+ int *port_ptr,
+ char *path, int path_size,
+ const char *url)
{
const char *p, *ls, *at, *col, *brk;
}
}
-char *ff_data_to_hex(char *buff, const uint8_t *src, int s)
+char *ff_data_to_hex(char *buff, const uint8_t *src, int s, int lowercase)
{
int i;
- static const char hex_table[16] = { '0', '1', '2', '3',
- '4', '5', '6', '7',
- '8', '9', 'A', 'B',
- 'C', 'D', 'E', 'F' };
+ static const char hex_table_uc[16] = { '0', '1', '2', '3',
+ '4', '5', '6', '7',
+ '8', '9', 'A', 'B',
+ 'C', 'D', 'E', 'F' };
+ static const char hex_table_lc[16] = { '0', '1', '2', '3',
+ '4', '5', '6', '7',
+ '8', '9', 'a', 'b',
+ 'c', 'd', 'e', 'f' };
+ const char *hex_table = lowercase ? hex_table_lc : hex_table_uc;
for(i = 0; i < s; i++) {
buff[i * 2] = hex_table[src[i] >> 4];
return buff;
}
+int ff_hex_to_data(uint8_t *data, const char *p)
+{
+ int c, len, v;
+
+ len = 0;
+ v = 1;
+ for (;;) {
+ p += strspn(p, SPACE_CHARS);
+ if (*p == '\0')
+ break;
+ c = toupper((unsigned char) *p++);
+ if (c >= '0' && c <= '9')
+ c = c - '0';
+ else if (c >= 'A' && c <= 'F')
+ c = c - 'A' + 10;
+ else
+ break;
+ v = (v << 4) | c;
+ if (v & 0x100) {
+ if (data)
+ data[len] = v;
+ len++;
+ v = 1;
+ }
+ }
+ return len;
+}
+
void av_set_pts_info(AVStream *s, int pts_wrap_bits,
unsigned int pts_num, unsigned int pts_den)
{
- s->pts_wrap_bits = pts_wrap_bits;
-
- if(av_reduce(&s->time_base.num, &s->time_base.den, pts_num, pts_den, INT_MAX)){
- if(s->time_base.num != pts_num)
- av_log(NULL, AV_LOG_DEBUG, "st:%d removing common factor %d from timebase\n", s->index, pts_num/s->time_base.num);
+ AVRational new_tb;
+ if(av_reduce(&new_tb.num, &new_tb.den, pts_num, pts_den, INT_MAX)){
+ if(new_tb.num != pts_num)
+ av_log(NULL, AV_LOG_DEBUG, "st:%d removing common factor %d from timebase\n", s->index, pts_num/new_tb.num);
}else
av_log(NULL, AV_LOG_WARNING, "st:%d has too large timebase, reducing\n", s->index);
- if(!s->time_base.num || !s->time_base.den)
- s->time_base.num= s->time_base.den= 0;
+ if(new_tb.num <= 0 || new_tb.den <= 0) {
+ av_log(NULL, AV_LOG_ERROR, "Ignoring attempt to set invalid timebase for st:%d\n", s->index);
+ return;
+ }
+ s->time_base = new_tb;
+ s->pts_wrap_bits = pts_wrap_bits;
+}
+
+int ff_url_join(char *str, int size, const char *proto,
+ const char *authorization, const char *hostname,
+ int port, const char *fmt, ...)
+{
+#if CONFIG_NETWORK
+ struct addrinfo hints, *ai;
+#endif
+
+ str[0] = '\0';
+ if (proto)
+ av_strlcatf(str, size, "%s://", proto);
+ if (authorization && authorization[0])
+ av_strlcatf(str, size, "%s@", authorization);
+#if CONFIG_NETWORK && defined(AF_INET6)
+ /* Determine if hostname is a numerical IPv6 address,
+ * properly escape it within [] in that case. */
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_flags = AI_NUMERICHOST;
+ if (!getaddrinfo(hostname, NULL, &hints, &ai)) {
+ if (ai->ai_family == AF_INET6) {
+ av_strlcat(str, "[", size);
+ av_strlcat(str, hostname, size);
+ av_strlcat(str, "]", size);
+ } else {
+ av_strlcat(str, hostname, size);
+ }
+ freeaddrinfo(ai);
+ } else
+#endif
+ /* Not an IPv6 address, just output the plain string. */
+ av_strlcat(str, hostname, size);
+
+ if (port >= 0)
+ av_strlcatf(str, size, ":%d", port);
+ if (fmt) {
+ va_list vl;
+ int len = strlen(str);
+
+ va_start(vl, fmt);
+ vsnprintf(str + len, size > len ? size - len : 0, fmt, vl);
+ va_end(vl);
+ }
+ return strlen(str);
+}
+
+int ff_write_chained(AVFormatContext *dst, int dst_stream, AVPacket *pkt,
+ AVFormatContext *src)
+{
+ AVPacket local_pkt;
+
+ local_pkt = *pkt;
+ local_pkt.stream_index = dst_stream;
+ if (pkt->pts != AV_NOPTS_VALUE)
+ local_pkt.pts = av_rescale_q(pkt->pts,
+ src->streams[pkt->stream_index]->time_base,
+ dst->streams[dst_stream]->time_base);
+ if (pkt->dts != AV_NOPTS_VALUE)
+ local_pkt.dts = av_rescale_q(pkt->dts,
+ src->streams[pkt->stream_index]->time_base,
+ dst->streams[dst_stream]->time_base);
+ return av_write_frame(dst, &local_pkt);
+}
+
+void ff_parse_key_value(const char *str, ff_parse_key_val_cb callback_get_buf,
+ void *context)
+{
+ const char *ptr = str;
+
+ /* Parse key=value pairs. */
+ for (;;) {
+ const char *key;
+ char *dest = NULL, *dest_end;
+ int key_len, dest_len = 0;
+
+ /* Skip whitespace and potential commas. */
+ while (*ptr && (isspace(*ptr) || *ptr == ','))
+ ptr++;
+ if (!*ptr)
+ break;
+
+ key = ptr;
+
+ if (!(ptr = strchr(key, '=')))
+ break;
+ ptr++;
+ key_len = ptr - key;
+
+ callback_get_buf(context, key, key_len, &dest, &dest_len);
+ dest_end = dest + dest_len - 1;
+
+ if (*ptr == '\"') {
+ ptr++;
+ while (*ptr && *ptr != '\"') {
+ if (*ptr == '\\') {
+ if (!ptr[1])
+ break;
+ if (dest && dest < dest_end)
+ *dest++ = ptr[1];
+ ptr += 2;
+ } else {
+ if (dest && dest < dest_end)
+ *dest++ = *ptr;
+ ptr++;
+ }
+ }
+ if (*ptr == '\"')
+ ptr++;
+ } else {
+ for (; *ptr && !(isspace(*ptr) || *ptr == ','); ptr++)
+ if (dest && dest < dest_end)
+ *dest++ = *ptr;
+ }
+ if (dest)
+ *dest = 0;
+ }
+}
+
+int ff_find_stream_index(AVFormatContext *s, int id)
+{
+ int i;
+ for (i = 0; i < s->nb_streams; i++) {
+ if (s->streams[i]->id == id)
+ return i;
+ }
+ return -1;
+}
+
+void ff_make_absolute_url(char *buf, int size, const char *base,
+ const char *rel)
+{
+ char *sep;
+ /* Absolute path, relative to the current server */
+ if (base && strstr(base, "://") && rel[0] == '/') {
+ if (base != buf)
+ av_strlcpy(buf, base, size);
+ sep = strstr(buf, "://");
+ if (sep) {
+ sep += 3;
+ sep = strchr(sep, '/');
+ if (sep)
+ *sep = '\0';
+ }
+ av_strlcat(buf, rel, size);
+ return;
+ }
+ /* If rel actually is an absolute url, just copy it */
+ if (!base || strstr(rel, "://") || rel[0] == '/') {
+ av_strlcpy(buf, rel, size);
+ return;
+ }
+ if (base != buf)
+ av_strlcpy(buf, base, size);
+ /* Remove the file name from the base url */
+ sep = strrchr(buf, '/');
+ if (sep)
+ sep[1] = '\0';
+ else
+ buf[0] = '\0';
+ while (av_strstart(rel, "../", NULL) && sep) {
+ /* Remove the path delimiter at the end */
+ sep[0] = '\0';
+ sep = strrchr(buf, '/');
+ /* If the next directory name to pop off is "..", break here */
+ if (!strcmp(sep ? &sep[1] : buf, "..")) {
+ /* Readd the slash we just removed */
+ av_strlcat(buf, "/", size);
+ break;
+ }
+ /* Cut off the directory name */
+ if (sep)
+ sep[1] = '\0';
+ else
+ buf[0] = '\0';
+ rel += 3;
+ }
+ av_strlcat(buf, rel, size);
+}
+
+int64_t ff_iso8601_to_unix_time(const char *datestr)
+{
+#if HAVE_STRPTIME
+ struct tm time = {0};
+ strptime(datestr, "%Y - %m - %dT%T", &time);
+ return mktime(&time);
+#else
+ av_log(NULL, AV_LOG_WARNING, "strptime() unavailable on this system, cannot convert "
+ "the date string.\n");
+ return 0;
+#endif
}
projects / ffmpeg / blobdiff