#include "internal.h"
#include "libavcodec/internal.h"
#include "libavcodec/raw.h"
+#include "libavcodec/bytestream.h"
+#include "libavutil/avassert.h"
#include "libavutil/opt.h"
#include "libavutil/dict.h"
#include "libavutil/pixdesc.h"
unsigned avformat_version(void)
{
+ av_assert0(LIBAVFORMAT_VERSION_MICRO >= 100);
return LIBAVFORMAT_VERSION_INT;
}
return NULL;
}
+int ffio_limit(AVIOContext *s, int size)
+{
+ if(s->maxsize>=0){
+ int64_t remaining= s->maxsize - avio_tell(s);
+ if(remaining < size){
+ int64_t newsize= avio_size(s);
+ if(!s->maxsize || s->maxsize<newsize)
+ s->maxsize= newsize;
+ remaining= s->maxsize - avio_tell(s);
+ }
+
+ if(s->maxsize>=0 && remaining>=0 && remaining+1 < size){
+ av_log(0, AV_LOG_ERROR, "Truncating packet of size %d to %"PRId64"\n", size, remaining+1);
+ size= remaining+1;
+ }
+ }
+ return size;
+}
int av_get_packet(AVIOContext *s, AVPacket *pkt, int size)
{
- int ret= av_new_packet(pkt, size);
+ int ret;
+ size= ffio_limit(s, size);
+
+ ret= av_new_packet(pkt, size);
if(ret<0)
return ret;
FFSWAP(int64_t, st->pts_buffer[i], st->pts_buffer[i+1]);
if(pkt->dts == AV_NOPTS_VALUE)
pkt->dts= st->pts_buffer[0];
- if(st->codec->codec_id == CODEC_ID_H264){ //we skiped it above so we try here
+ if(st->codec->codec_id == CODEC_ID_H264){ // we skipped it above so we try here
update_initial_timestamps(s, pkt->stream_index, pkt->dts, pkt->pts); // this should happen on the first packet
}
if(pkt->dts > st->cur_dts)
assert(!st->codec->codec);
codec = avcodec_find_decoder(st->codec->codec_id);
+ /* this function doesn't flush the decoders, so force thread count
+ * to 1 to fix behavior when thread count > number of frames in the file */
+ if (options)
+ av_dict_set(&options[i], "threads", 0, 0);
+
/* Ensure that subtitle_header is properly set. */
if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE
&& codec && !st->codec->codec)
//try to just open decoders, in case this is enough to get parameters
if(!has_codec_parameters(st->codec)){
- if (codec && !st->codec->codec){
- AVDictionary *tmp = NULL;
- if (options){
- av_dict_copy(&tmp, options[i], 0);
- av_dict_set(&tmp, "threads", 0, 0);
- }
- avcodec_open2(st->codec, codec, options ? &tmp : NULL);
- av_dict_free(&tmp);
- }
+ if (codec && !st->codec->codec)
+ avcodec_open2(st->codec, codec, options ? &options[i] : NULL);
}
}
double dts= pkt->dts * av_q2d(st->time_base);
int64_t duration= pkt->dts - last;
-// if(st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
-// av_log(NULL, AV_LOG_ERROR, "%f\n", dur);
+// 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++) {
int framerate= get_std_framerate(i);
double sdts= dts*framerate/(1001*12);
if(st->info->codec_info_duration && st->info->codec_info_duration*av_q2d(st->time_base) < (1001*12.0)/get_std_framerate(j))
continue;
+ if(!st->info->codec_info_duration && 1.0 < (1001*12.0)/get_std_framerate(j))
+ continue;
for(k=0; k<2; k++){
int n= st->info->duration_count;
double a= st->info->duration_error[k][0][j] / n;
return AVERROR(ENOSYS);
}
+#if FF_API_FORMAT_PARAMETERS
void av_close_input_stream(AVFormatContext *s)
{
flush_packet_queue(s);
s->iformat->read_close(s);
avformat_free_context(s);
}
+#endif
void avformat_free_context(AVFormatContext *s)
{
av_free(s);
}
+#if FF_API_CLOSE_INPUT_FILE
void av_close_input_file(AVFormatContext *s)
{
- AVIOContext *pb = (s->iformat->flags & AVFMT_NOFILE) || (s->flags & AVFMT_FLAG_CUSTOM_IO) ?
+ avformat_close_input(&s);
+}
+#endif
+
+void avformat_close_input(AVFormatContext **ps)
+{
+ AVFormatContext *s = *ps;
+ AVIOContext *pb = (s->iformat && (s->iformat->flags & AVFMT_NOFILE)) || (s->flags & AVFMT_FLAG_CUSTOM_IO) ?
NULL : s->pb;
- av_close_input_stream(s);
+ flush_packet_queue(s);
+ if (s->iformat && (s->iformat->read_close))
+ s->iformat->read_close(s);
+ avformat_free_context(s);
+ *ps = NULL;
if (pb)
avio_close(pb);
}
av_freep(&s->streams[i]->priv_data);
av_freep(&s->streams[i]->index_entries);
}
- if (s->iformat && s->iformat->priv_class)
+ if (s->oformat->priv_class)
av_opt_free(s->priv_data);
av_freep(&s->priv_data);
return ret;
#endif
return 0;
}
+
+int ff_add_param_change(AVPacket *pkt, int32_t channels,
+ uint64_t channel_layout, int32_t sample_rate,
+ int32_t width, int32_t height)
+{
+ uint32_t flags = 0;
+ int size = 4;
+ uint8_t *data;
+ if (!pkt)
+ return AVERROR(EINVAL);
+ if (channels) {
+ size += 4;
+ flags |= AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_COUNT;
+ }
+ if (channel_layout) {
+ size += 8;
+ flags |= AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_LAYOUT;
+ }
+ if (sample_rate) {
+ size += 4;
+ flags |= AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE;
+ }
+ if (width || height) {
+ size += 8;
+ flags |= AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS;
+ }
+ data = av_packet_new_side_data(pkt, AV_PKT_DATA_PARAM_CHANGE, size);
+ if (!data)
+ return AVERROR(ENOMEM);
+ bytestream_put_le32(&data, flags);
+ if (channels)
+ bytestream_put_le32(&data, channels);
+ if (channel_layout)
+ bytestream_put_le64(&data, channel_layout);
+ if (sample_rate)
+ bytestream_put_le32(&data, sample_rate);
+ if (width || height) {
+ bytestream_put_le32(&data, width);
+ bytestream_put_le32(&data, height);
+ }
+ return 0;
+}
projects / ffmpeg / blobdiff