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Now that AV_SAMPLE_FMT_DSD exists, the decoders will prefer this output and PCM conversion is deprecated and will be removed. Users can use libswresample directly. Signed-off-by: Kacper Michajłow <kasper93@gmail.com>
61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
/*
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* Direct Stream Digital (DSD) decoder
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* Copyright (c) 2014 Peter Ross
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "config.h"
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#include "version_major.h"
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#include "libavutil/attributes.h"
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#include "dsd.h"
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#if CONFIG_SWRESAMPLE && FF_API_DSD_PCM
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#include "libswresample/swresample.h"
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#include "avcodec.h"
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av_cold int ff_dsd_to_pcm_init(AVCodecContext *avctx, struct SwrContext **swrp)
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{
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SwrContext *swr = NULL;
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int ret;
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swr_free(swrp);
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ret = swr_alloc_set_opts2(&swr, &avctx->ch_layout, avctx->sample_fmt,
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avctx->sample_rate, &avctx->ch_layout,
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AV_SAMPLE_FMT_DSD, avctx->sample_rate, 0, avctx);
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if (ret < 0)
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return ret;
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ret = swr_init(swr);
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if (ret < 0) {
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swr_free(&swr);
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return ret;
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}
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av_log(avctx, AV_LOG_WARNING,
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"Converting DSD to PCM in the decoder is deprecated and will be "
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"removed. Set request_sample_fmt to AV_SAMPLE_FMT_DSD to receive "
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"the raw bitstream, and use libswresample to convert it to PCM "
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"when needed.\n");
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*swrp = swr;
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return 0;
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}
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#endif
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