RepoMirrors
/
ffmpeg
mirror of https://git.ffmpeg.org/ffmpeg.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

lavr: Drop deprecated context reinitialization if resampling was not enabled 

Deprecated in 11/2012.
This commit is contained in:
Vittorio Giovara 2015-07-28 14:30:18 +01:00
parent 9d58639e27
commit 11b2eed43e
2 changed files with 0 additions and 58 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

54
libavresample/resample.c
View File

@ -243,62 +243,8 @@ int avresample_set_compensation(AVAudioResampleContext *avr, int sample_delta,
return AVERROR(EINVAL);
if (!avr->resample_needed) {
#if FF_API_RESAMPLE_CLOSE_OPEN
/* if resampling was not enabled previously, re-initialize the
AVAudioResampleContext and force resampling */
int fifo_samples;
int restore_matrix = 0;
double matrix[AVRESAMPLE_MAX_CHANNELS * AVRESAMPLE_MAX_CHANNELS] = { 0 };
/* buffer any remaining samples in the output FIFO before closing */
fifo_samples = av_audio_fifo_size(avr->out_fifo);
if (fifo_samples > 0) {
fifo_buf = ff_audio_data_alloc(avr->out_channels, fifo_samples,
avr->out_sample_fmt, NULL);
if (!fifo_buf)
return AVERROR(EINVAL);
ret = ff_audio_data_read_from_fifo(avr->out_fifo, fifo_buf,
fifo_samples);
if (ret < 0)
goto reinit_fail;
}
/* save the channel mixing matrix */
if (avr->am) {
ret = avresample_get_matrix(avr, matrix, AVRESAMPLE_MAX_CHANNELS);
if (ret < 0)
goto reinit_fail;
restore_matrix = 1;
}
/* close the AVAudioResampleContext */
avresample_close(avr);
avr->force_resampling = 1;
/* restore the channel mixing matrix */
if (restore_matrix) {
ret = avresample_set_matrix(avr, matrix, AVRESAMPLE_MAX_CHANNELS);
if (ret < 0)
goto reinit_fail;
}
/* re-open the AVAudioResampleContext */
ret = avresample_open(avr);
if (ret < 0)
goto reinit_fail;
/* restore buffered samples to the output FIFO */
if (fifo_samples > 0) {
ret = ff_audio_data_add_to_fifo(avr->out_fifo, fifo_buf, 0,
fifo_samples);
if (ret < 0)
goto reinit_fail;
ff_audio_data_free(&fifo_buf);
}
#else
av_log(avr, AV_LOG_ERROR, "Unable to set resampling compensation\n");
return AVERROR(EINVAL);
#endif
}
c = avr->resample;
c->compensation_distance = compensation_distance;

4
libavresample/version.h
View File

@ -47,8 +47,4 @@
* the public API and may change, break or disappear at any time.
*/
#ifndef FF_API_RESAMPLE_CLOSE_OPEN
#define FF_API_RESAMPLE_CLOSE_OPEN (LIBAVRESAMPLE_VERSION_MAJOR < 3)
#endif
#endif /* AVRESAMPLE_VERSION_H */