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