static uint8_t *audio_out;
static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
-static void *samples;
static uint8_t *input_tmp= NULL;
#define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
int discard; /* true if stream data should be discarded */
int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
AVCodec *dec;
+ AVFrame *decoded_frame;
+ AVFrame *filtered_frame;
int64_t start; /* time when read started */
int64_t next_pts; /* synthetic pts for cases where pkt.pts
for(i=0;i<nb_input_files;i++) {
av_close_input_file(input_files[i].ctx);
}
- for (i = 0; i < nb_input_streams; i++)
+ for (i = 0; i < nb_input_streams; i++) {
+ av_freep(&input_streams[i].decoded_frame);
+ av_freep(&input_streams[i].filtered_frame);
av_dict_free(&input_streams[i].opts);
+ }
if (vstats_file)
fclose(vstats_file);
av_free(audio_buf);
av_free(audio_out);
allocated_audio_buf_size= allocated_audio_out_size= 0;
- av_free(samples);
#if CONFIG_AVFILTER
avfilter_uninit();
memset(buf, fill_char, size);
}
-static void do_audio_out(AVFormatContext *s,
- OutputStream *ost,
- InputStream *ist,
- unsigned char *buf, int size)
+static void do_audio_out(AVFormatContext *s, OutputStream *ost,
+ InputStream *ist, AVFrame *decoded_frame)
{
uint8_t *buftmp;
int64_t audio_out_size, audio_buf_size;
- int64_t allocated_for_size= size;
int size_out, frame_bytes, ret, resample_changed;
AVCodecContext *enc= ost->st->codec;
int osize = av_get_bytes_per_sample(enc->sample_fmt);
int isize = av_get_bytes_per_sample(dec->sample_fmt);
const int coded_bps = av_get_bits_per_sample(enc->codec->id);
+ uint8_t *buf = decoded_frame->data[0];
+ int size = decoded_frame->nb_samples * dec->channels * isize;
+ int64_t allocated_for_size = size;
need_realloc:
audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
{
- static unsigned int samples_size = 0;
+ AVFrame *decoded_frame;
+ AVCodecContext *avctx = ist->st->codec;
int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
- uint8_t *decoded_data_buf = NULL;
- int decoded_data_size = 0;
int i, ret;
- if (pkt && samples_size < FFMAX(pkt->size * bps, AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
- av_free(samples);
- samples_size = FFMAX(pkt->size * bps, AVCODEC_MAX_AUDIO_FRAME_SIZE);
- samples = av_malloc(samples_size);
- }
- decoded_data_size = samples_size;
+ if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
+ return AVERROR(ENOMEM);
+ else
+ avcodec_get_frame_defaults(ist->decoded_frame);
+ decoded_frame = ist->decoded_frame;
- ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
- pkt);
- if (ret < 0)
+ ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
+ if (ret < 0) {
return ret;
- *got_output = decoded_data_size > 0;
+ }
- /* Some bug in mpeg audio decoder gives */
- /* decoded_data_size < 0, it seems they are overflows */
if (!*got_output) {
/* no audio frame */
return ret;
}
- decoded_data_buf = (uint8_t *)samples;
- ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
- (ist->st->codec->sample_rate * ist->st->codec->channels);
+ /* if the decoder provides a pts, use it instead of the last packet pts.
+ the decoder could be delaying output by a packet or more. */
+ if (decoded_frame->pts != AV_NOPTS_VALUE)
+ ist->next_pts = decoded_frame->pts;
+
+ /* increment next_pts to use for the case where the input stream does not
+ have timestamps or there are multiple frames in the packet */
+ ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
+ avctx->sample_rate;
// preprocess audio (volume)
if (audio_volume != 256) {
- switch (ist->st->codec->sample_fmt) {
+ int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
+ void *samples = decoded_frame->data[0];
+ switch (avctx->sample_fmt) {
case AV_SAMPLE_FMT_U8:
{
uint8_t *volp = samples;
if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
continue;
- do_audio_out(output_files[ost->file_index].ctx, ost, ist,
- decoded_data_buf, decoded_data_size);
+ do_audio_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
}
+
return ret;
}
int frame_available = 1;
#endif
int duration=0;
+ int64_t *best_effort_timestamp;
+ AVRational *frame_sample_aspect;
- if (!(decoded_frame = avcodec_alloc_frame()))
+ if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
return AVERROR(ENOMEM);
+ else
+ avcodec_get_frame_defaults(ist->decoded_frame);
+ decoded_frame = ist->decoded_frame;
pkt->pts = *pkt_pts;
pkt->dts = *pkt_dts;
*pkt_pts = AV_NOPTS_VALUE;
ret = avcodec_decode_video2(ist->st->codec,
decoded_frame, got_output, pkt);
if (ret < 0)
- goto fail;
+ return ret;
quality = same_quant ? decoded_frame->quality : 0;
if (!*got_output) {
/* no picture yet */
- av_freep(&decoded_frame);
return ret;
}
- if(decoded_frame->best_effort_timestamp != AV_NOPTS_VALUE)
- ist->next_pts = ist->pts = decoded_frame->best_effort_timestamp;
+ best_effort_timestamp= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "best_effort_timestamp");
+ if(*best_effort_timestamp != AV_NOPTS_VALUE)
+ ist->next_pts = ist->pts = *best_effort_timestamp;
ist->next_pts += duration;
pkt->size = 0;
pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
#if CONFIG_AVFILTER
+ frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
for(i=0;i<nb_output_streams;i++) {
OutputStream *ost = ost = &output_streams[i];
if(check_output_constraints(ist, ost)){
- if (!decoded_frame->sample_aspect_ratio.num)
- decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
+ if (!frame_sample_aspect->num)
+ *frame_sample_aspect = ist->st->sample_aspect_ratio;
decoded_frame->pts = ist->pts;
av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame, AV_VSRC_BUF_FLAG_OVERWRITE);
while (frame_available) {
if (ost->output_video_filter) {
AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
- if (av_buffersink_get_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
+ if (av_buffersink_get_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0){
+ av_log(0, AV_LOG_WARNING, "AV Filter told us it has a frame available but failed to output one\n");
goto cont;
- if (!filtered_frame && !(filtered_frame = avcodec_alloc_frame())) {
- ret = AVERROR(ENOMEM);
- goto fail;
}
+ if (!ist->filtered_frame && !(ist->filtered_frame = avcodec_alloc_frame())) {
+ av_free(buffer_to_free);
+ return AVERROR(ENOMEM);
+ } else
+ avcodec_get_frame_defaults(ist->filtered_frame);
+ filtered_frame = ist->filtered_frame;
*filtered_frame= *decoded_frame; //for me_threshold
if (ost->picref) {
avfilter_fill_frame_from_video_buffer_ref(filtered_frame, ost->picref);
frame_available = ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
avfilter_unref_buffer(ost->picref);
}
- av_freep(&filtered_frame);
#endif
}
-fail:
av_free(buffer_to_free);
- av_freep(&decoded_frame);
return ret;
}
projects / ffmpeg / blobdiff