2001-09-23 20:16:51 +03:00
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/*
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* PCM codecs
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2009-01-19 17:46:40 +02:00
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* Copyright (c) 2001 Fabrice Bellard
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2001-09-23 20:16:51 +03:00
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*
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2006-10-07 18:30:46 +03:00
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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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2002-05-26 01:45:33 +03:00
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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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2006-10-07 18:30:46 +03:00
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* version 2.1 of the License, or (at your option) any later version.
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2001-09-23 20:16:51 +03:00
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*
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2006-10-07 18:30:46 +03:00
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* FFmpeg is distributed in the hope that it will be useful,
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2001-09-23 20:16:51 +03:00
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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2002-05-26 01:45:33 +03:00
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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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2001-09-23 20:16:51 +03:00
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*
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2002-05-26 01:45:33 +03:00
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* You should have received a copy of the GNU Lesser General Public
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2006-10-07 18:30:46 +03:00
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* License along with FFmpeg; if not, write to the Free Software
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2006-01-13 00:43:26 +02:00
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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2001-09-23 20:16:51 +03:00
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*/
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2005-12-17 20:14:38 +02:00
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2003-03-06 15:22:51 +02:00
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/**
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2010-04-20 17:45:34 +03:00
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* @file
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2003-03-06 15:22:51 +02:00
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* PCM codecs
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*/
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2005-12-17 20:14:38 +02:00
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2012-10-11 19:50:30 +03:00
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#include "libavutil/attributes.h"
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2012-03-30 18:33:02 +03:00
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#include "avcodec.h"
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2007-05-10 02:21:07 +03:00
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#include "bytestream.h"
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2012-01-09 01:37:16 +03:00
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#include "internal.h"
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2012-10-11 19:50:30 +03:00
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#include "mathops.h"
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2010-04-01 20:54:15 +03:00
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#include "pcm_tablegen.h"
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2001-09-23 20:16:51 +03:00
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2008-03-21 05:11:20 +02:00
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static av_cold int pcm_encode_init(AVCodecContext *avctx)
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2001-09-23 20:16:51 +03:00
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{
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2012-01-10 23:17:39 +03:00
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avctx->frame_size = 0;
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2012-03-30 18:33:02 +03:00
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switch (avctx->codec->id) {
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2012-08-05 12:11:04 +03:00
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case AV_CODEC_ID_PCM_ALAW:
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2010-04-01 20:54:15 +03:00
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pcm_alaw_tableinit();
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2001-09-23 20:16:51 +03:00
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break;
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2012-08-05 12:11:04 +03:00
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case AV_CODEC_ID_PCM_MULAW:
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2010-04-01 20:54:15 +03:00
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pcm_ulaw_tableinit();
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2001-09-23 20:16:51 +03:00
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break;
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default:
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break;
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}
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2005-12-17 20:14:38 +02:00
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2008-09-08 17:24:59 +03:00
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avctx->bits_per_coded_sample = av_get_bits_per_sample(avctx->codec->id);
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2012-03-30 18:33:02 +03:00
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avctx->block_align = avctx->channels * avctx->bits_per_coded_sample / 8;
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2012-05-16 02:01:34 +03:00
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avctx->bit_rate = avctx->block_align * avctx->sample_rate * 8;
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2012-03-30 18:33:02 +03:00
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avctx->coded_frame = avcodec_alloc_frame();
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2012-01-28 23:06:36 +03:00
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if (!avctx->coded_frame)
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return AVERROR(ENOMEM);
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2005-12-17 20:14:38 +02:00
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2001-09-23 20:16:51 +03:00
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return 0;
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}
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2008-03-21 05:11:20 +02:00
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static av_cold int pcm_encode_close(AVCodecContext *avctx)
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2001-09-23 20:16:51 +03:00
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{
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2002-12-09 14:03:43 +02:00
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av_freep(&avctx->coded_frame);
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2001-09-23 20:16:51 +03:00
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return 0;
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}
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2008-08-07 12:32:10 +03:00
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/**
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* Write PCM samples macro
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2012-03-30 18:33:02 +03:00
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* @param type Datatype of native machine format
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2008-08-07 12:32:10 +03:00
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* @param endian bytestream_put_xxx() suffix
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2012-03-30 18:33:02 +03:00
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* @param src Source pointer (variable name)
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* @param dst Destination pointer (variable name)
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* @param n Total number of samples (variable name)
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* @param shift Bitshift (bits)
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2008-08-07 12:32:10 +03:00
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* @param offset Sample value offset
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*/
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2012-03-30 18:33:02 +03:00
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#define ENCODE(type, endian, src, dst, n, shift, offset) \
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samples_ ## type = (const type *) src; \
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for (; n > 0; n--) { \
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register type v = (*samples_ ## type++ >> shift) + offset; \
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bytestream_put_ ## endian(&dst, v); \
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2008-08-11 12:52:17 +03:00
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}
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2008-08-07 12:32:10 +03:00
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2012-11-19 12:19:30 +03:00
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#define ENCODE_PLANAR(type, endian, dst, n, shift, offset) \
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n /= avctx->channels; \
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for (c = 0; c < avctx->channels; c++) { \
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int i; \
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samples_ ## type = (const type *) frame->extended_data[c]; \
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for (i = n; i > 0; i--) { \
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register type v = (*samples_ ## type++ >> shift) + offset; \
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bytestream_put_ ## endian(&dst, v); \
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} \
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}
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2012-01-09 01:37:16 +03:00
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static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
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const AVFrame *frame, int *got_packet_ptr)
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2001-09-23 20:16:51 +03:00
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{
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2012-11-19 12:19:30 +03:00
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int n, c, sample_size, v, ret;
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2010-07-24 16:59:49 +03:00
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const short *samples;
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2001-09-23 20:16:51 +03:00
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unsigned char *dst;
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2012-11-20 16:18:56 +03:00
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const uint8_t *samples_uint8_t;
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2010-07-24 16:59:49 +03:00
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const int16_t *samples_int16_t;
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const int32_t *samples_int32_t;
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const int64_t *samples_int64_t;
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const uint16_t *samples_uint16_t;
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const uint32_t *samples_uint32_t;
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2001-09-23 20:16:51 +03:00
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2012-03-30 18:33:02 +03:00
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sample_size = av_get_bits_per_sample(avctx->codec->id) / 8;
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2012-01-09 01:37:16 +03:00
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n = frame->nb_samples * avctx->channels;
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samples = (const short *)frame->data[0];
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2012-03-22 23:22:39 +03:00
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if ((ret = ff_alloc_packet2(avctx, avpkt, n * sample_size)))
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2012-01-09 01:37:16 +03:00
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return ret;
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dst = avpkt->data;
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2001-09-23 20:16:51 +03:00
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2012-03-30 18:33:02 +03:00
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switch (avctx->codec->id) {
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2012-08-05 12:11:04 +03:00
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case AV_CODEC_ID_PCM_U32LE:
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2008-08-11 12:52:17 +03:00
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ENCODE(uint32_t, le32, samples, dst, n, 0, 0x80000000)
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2005-09-02 22:16:48 +03:00
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break;
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2012-08-05 12:11:04 +03:00
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case AV_CODEC_ID_PCM_U32BE:
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2008-08-11 12:52:17 +03:00
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ENCODE(uint32_t, be32, samples, dst, n, 0, 0x80000000)
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2005-09-02 22:16:48 +03:00
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break;
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2012-08-05 12:11:04 +03:00
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case AV_CODEC_ID_PCM_S24LE:
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2008-08-11 12:52:17 +03:00
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ENCODE(int32_t, le24, samples, dst, n, 8, 0)
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2005-09-02 22:16:48 +03:00
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break;
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2012-11-19 12:19:30 +03:00
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case AV_CODEC_ID_PCM_S24LE_PLANAR:
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ENCODE_PLANAR(int32_t, le24, dst, n, 8, 0)
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break;
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2012-08-05 12:11:04 +03:00
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case AV_CODEC_ID_PCM_S24BE:
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2008-08-11 12:52:17 +03:00
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ENCODE(int32_t, be24, samples, dst, n, 8, 0)
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2005-09-02 22:16:48 +03:00
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break;
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2012-08-05 12:11:04 +03:00
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case AV_CODEC_ID_PCM_U24LE:
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2008-08-11 12:52:17 +03:00
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ENCODE(uint32_t, le24, samples, dst, n, 8, 0x800000)
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2005-09-02 22:16:48 +03:00
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break;
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2012-08-05 12:11:04 +03:00
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case AV_CODEC_ID_PCM_U24BE:
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2008-08-11 12:52:17 +03:00
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ENCODE(uint32_t, be24, samples, dst, n, 8, 0x800000)
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2005-09-02 22:16:48 +03:00
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break;
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2012-08-05 12:11:04 +03:00
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case AV_CODEC_ID_PCM_S24DAUD:
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2012-03-30 18:33:02 +03:00
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for (; n > 0; n--) {
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2012-10-11 19:50:30 +03:00
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uint32_t tmp = ff_reverse[(*samples >> 8) & 0xff] +
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(ff_reverse[*samples & 0xff] << 8);
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2005-09-02 22:16:48 +03:00
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tmp <<= 4; // sync flags would go here
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2007-05-10 02:21:07 +03:00
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bytestream_put_be24(&dst, tmp);
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2005-09-02 22:16:48 +03:00
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samples++;
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}
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break;
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2012-08-05 12:11:04 +03:00
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case AV_CODEC_ID_PCM_U16LE:
|
2008-08-11 12:52:17 +03:00
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ENCODE(uint16_t, le16, samples, dst, n, 0, 0x8000)
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2001-09-23 20:16:51 +03:00
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break;
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2012-08-05 12:11:04 +03:00
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case AV_CODEC_ID_PCM_U16BE:
|
2008-08-11 12:52:17 +03:00
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ENCODE(uint16_t, be16, samples, dst, n, 0, 0x8000)
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2001-09-23 20:16:51 +03:00
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break;
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2012-08-05 12:11:04 +03:00
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case AV_CODEC_ID_PCM_S8:
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2012-11-20 16:18:56 +03:00
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ENCODE(uint8_t, byte, samples, dst, n, 0, -128)
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2001-09-23 20:16:51 +03:00
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break;
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2012-11-19 12:19:30 +03:00
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case AV_CODEC_ID_PCM_S8_PLANAR:
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ENCODE_PLANAR(uint8_t, byte, dst, n, 0, -128)
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break;
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2009-07-26 15:20:04 +03:00
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#if HAVE_BIGENDIAN
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2012-08-05 12:11:04 +03:00
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case AV_CODEC_ID_PCM_F64LE:
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2008-08-19 13:43:47 +03:00
|
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ENCODE(int64_t, le64, samples, dst, n, 0, 0)
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break;
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2012-08-05 12:11:04 +03:00
|
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case AV_CODEC_ID_PCM_S32LE:
|
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|
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case AV_CODEC_ID_PCM_F32LE:
|
2008-08-16 04:25:12 +03:00
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ENCODE(int32_t, le32, samples, dst, n, 0, 0)
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break;
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2012-11-19 12:19:30 +03:00
|
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case AV_CODEC_ID_PCM_S32LE_PLANAR:
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ENCODE_PLANAR(int32_t, le32, dst, n, 0, 0)
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break;
|
2012-08-05 12:11:04 +03:00
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case AV_CODEC_ID_PCM_S16LE:
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2008-08-16 04:25:12 +03:00
|
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ENCODE(int16_t, le16, samples, dst, n, 0, 0)
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break;
|
2012-11-19 12:19:30 +03:00
|
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case AV_CODEC_ID_PCM_S16LE_PLANAR:
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ENCODE_PLANAR(int16_t, le16, dst, n, 0, 0)
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break;
|
2012-08-05 12:11:04 +03:00
|
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case AV_CODEC_ID_PCM_F64BE:
|
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case AV_CODEC_ID_PCM_F32BE:
|
|
|
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case AV_CODEC_ID_PCM_S32BE:
|
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|
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case AV_CODEC_ID_PCM_S16BE:
|
2008-08-16 04:25:12 +03:00
|
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#else
|
2012-08-05 12:11:04 +03:00
|
|
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case AV_CODEC_ID_PCM_F64BE:
|
2008-08-19 13:43:47 +03:00
|
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ENCODE(int64_t, be64, samples, dst, n, 0, 0)
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|
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break;
|
2012-08-05 12:11:04 +03:00
|
|
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case AV_CODEC_ID_PCM_F32BE:
|
|
|
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case AV_CODEC_ID_PCM_S32BE:
|
2008-08-16 04:25:12 +03:00
|
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ENCODE(int32_t, be32, samples, dst, n, 0, 0)
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|
|
|
break;
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_S16BE:
|
2008-08-16 04:25:12 +03:00
|
|
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ENCODE(int16_t, be16, samples, dst, n, 0, 0)
|
|
|
|
break;
|
2012-11-19 12:19:30 +03:00
|
|
|
case AV_CODEC_ID_PCM_S16BE_PLANAR:
|
|
|
|
ENCODE_PLANAR(int16_t, be16, dst, n, 0, 0)
|
|
|
|
break;
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_F64LE:
|
|
|
|
case AV_CODEC_ID_PCM_F32LE:
|
|
|
|
case AV_CODEC_ID_PCM_S32LE:
|
|
|
|
case AV_CODEC_ID_PCM_S16LE:
|
2009-07-26 15:20:04 +03:00
|
|
|
#endif /* HAVE_BIGENDIAN */
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_U8:
|
2012-03-30 18:33:02 +03:00
|
|
|
memcpy(dst, samples, n * sample_size);
|
2001-09-23 20:16:51 +03:00
|
|
|
break;
|
2012-11-19 12:19:30 +03:00
|
|
|
#if HAVE_BIGENDIAN
|
|
|
|
case AV_CODEC_ID_PCM_S16BE_PLANAR:
|
|
|
|
#else
|
|
|
|
case AV_CODEC_ID_PCM_S16LE_PLANAR:
|
|
|
|
case AV_CODEC_ID_PCM_S32LE_PLANAR:
|
|
|
|
#endif /* HAVE_BIGENDIAN */
|
|
|
|
n /= avctx->channels;
|
|
|
|
for (c = 0; c < avctx->channels; c++) {
|
|
|
|
const uint8_t *src = frame->extended_data[c];
|
|
|
|
bytestream_put_buffer(&dst, src, n * sample_size);
|
|
|
|
}
|
|
|
|
break;
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_ALAW:
|
2012-03-30 18:33:02 +03:00
|
|
|
for (; n > 0; n--) {
|
|
|
|
v = *samples++;
|
2007-05-10 02:32:29 +03:00
|
|
|
*dst++ = linear_to_alaw[(v + 32768) >> 2];
|
2001-09-23 20:16:51 +03:00
|
|
|
}
|
|
|
|
break;
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_MULAW:
|
2012-03-30 18:33:02 +03:00
|
|
|
for (; n > 0; n--) {
|
|
|
|
v = *samples++;
|
2007-05-10 02:32:29 +03:00
|
|
|
*dst++ = linear_to_ulaw[(v + 32768) >> 2];
|
2001-09-23 20:16:51 +03:00
|
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
return -1;
|
|
|
|
}
|
2002-05-09 04:22:51 +03:00
|
|
|
|
2012-01-09 01:37:16 +03:00
|
|
|
*got_packet_ptr = 1;
|
|
|
|
return 0;
|
2001-09-23 20:16:51 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
typedef struct PCMDecode {
|
2012-03-30 18:33:02 +03:00
|
|
|
short table[256];
|
2001-09-23 20:16:51 +03:00
|
|
|
} PCMDecode;
|
|
|
|
|
2012-03-30 18:33:02 +03:00
|
|
|
static av_cold int pcm_decode_init(AVCodecContext *avctx)
|
2001-09-23 20:16:51 +03:00
|
|
|
{
|
|
|
|
PCMDecode *s = avctx->priv_data;
|
|
|
|
int i;
|
|
|
|
|
2012-10-22 20:40:10 +03:00
|
|
|
if (avctx->channels <= 0) {
|
2011-09-28 02:49:25 +03:00
|
|
|
av_log(avctx, AV_LOG_ERROR, "PCM channels out of bounds\n");
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
}
|
|
|
|
|
2012-11-13 23:43:37 +03:00
|
|
|
switch (avctx->codec_id) {
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_ALAW:
|
2012-03-30 18:33:02 +03:00
|
|
|
for (i = 0; i < 256; i++)
|
2001-09-23 20:16:51 +03:00
|
|
|
s->table[i] = alaw2linear(i);
|
|
|
|
break;
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_MULAW:
|
2012-03-30 18:33:02 +03:00
|
|
|
for (i = 0; i < 256; i++)
|
2001-09-23 20:16:51 +03:00
|
|
|
s->table[i] = ulaw2linear(i);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
2008-07-26 10:08:15 +03:00
|
|
|
|
2008-08-04 10:47:23 +03:00
|
|
|
avctx->sample_fmt = avctx->codec->sample_fmts[0];
|
2010-06-10 19:59:56 +03:00
|
|
|
|
2010-11-12 13:04:40 +02:00
|
|
|
if (avctx->sample_fmt == AV_SAMPLE_FMT_S32)
|
2012-11-13 23:43:37 +03:00
|
|
|
avctx->bits_per_raw_sample = av_get_bits_per_sample(avctx->codec_id);
|
2010-06-10 19:59:56 +03:00
|
|
|
|
2001-09-23 20:16:51 +03:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2008-08-07 12:32:10 +03:00
|
|
|
/**
|
|
|
|
* Read PCM samples macro
|
2012-03-30 18:33:02 +03:00
|
|
|
* @param size Data size of native machine format
|
2008-08-07 12:32:10 +03:00
|
|
|
* @param endian bytestream_get_xxx() endian suffix
|
2012-03-30 18:33:02 +03:00
|
|
|
* @param src Source pointer (variable name)
|
|
|
|
* @param dst Destination pointer (variable name)
|
|
|
|
* @param n Total number of samples (variable name)
|
|
|
|
* @param shift Bitshift (bits)
|
2008-08-07 12:32:10 +03:00
|
|
|
* @param offset Sample value offset
|
|
|
|
*/
|
2012-03-30 18:33:02 +03:00
|
|
|
#define DECODE(size, endian, src, dst, n, shift, offset) \
|
|
|
|
for (; n > 0; n--) { \
|
|
|
|
uint ## size ## _t v = bytestream_get_ ## endian(&src); \
|
|
|
|
AV_WN ## size ## A(dst, (v - offset) << shift); \
|
|
|
|
dst += size / 8; \
|
2011-10-08 14:47:53 +03:00
|
|
|
}
|
2008-08-07 12:32:10 +03:00
|
|
|
|
2012-11-18 23:43:33 +03:00
|
|
|
#define DECODE_PLANAR(size, endian, src, dst, n, shift, offset) \
|
2012-11-16 19:00:04 +03:00
|
|
|
n /= avctx->channels; \
|
|
|
|
for (c = 0; c < avctx->channels; c++) { \
|
2012-11-18 23:43:33 +03:00
|
|
|
int i; \
|
2013-02-13 13:53:23 +03:00
|
|
|
dst = frame->extended_data[c]; \
|
2012-11-16 19:00:04 +03:00
|
|
|
for (i = n; i > 0; i--) { \
|
|
|
|
uint ## size ## _t v = bytestream_get_ ## endian(&src); \
|
|
|
|
AV_WN ## size ## A(dst, (v - offset) << shift); \
|
|
|
|
dst += size / 8; \
|
|
|
|
} \
|
2012-11-18 23:43:33 +03:00
|
|
|
}
|
2012-11-16 19:00:04 +03:00
|
|
|
|
2011-09-06 19:17:45 +03:00
|
|
|
static int pcm_decode_frame(AVCodecContext *avctx, void *data,
|
|
|
|
int *got_frame_ptr, AVPacket *avpkt)
|
2001-09-23 20:16:51 +03:00
|
|
|
{
|
2011-09-29 23:00:00 +03:00
|
|
|
const uint8_t *src = avpkt->data;
|
2012-03-30 18:33:02 +03:00
|
|
|
int buf_size = avpkt->size;
|
|
|
|
PCMDecode *s = avctx->priv_data;
|
2012-12-24 01:10:12 +03:00
|
|
|
AVFrame *frame = data;
|
2011-09-06 19:17:45 +03:00
|
|
|
int sample_size, c, n, ret, samples_per_block;
|
2011-10-08 14:47:53 +03:00
|
|
|
uint8_t *samples;
|
2008-08-11 12:52:17 +03:00
|
|
|
int32_t *dst_int32_t;
|
2001-09-23 20:16:51 +03:00
|
|
|
|
2012-03-30 18:33:02 +03:00
|
|
|
sample_size = av_get_bits_per_sample(avctx->codec_id) / 8;
|
2008-08-07 12:23:56 +03:00
|
|
|
|
2012-08-05 12:11:04 +03:00
|
|
|
/* av_get_bits_per_sample returns 0 for AV_CODEC_ID_PCM_DVD */
|
2011-09-06 19:17:45 +03:00
|
|
|
samples_per_block = 1;
|
2012-08-05 12:11:04 +03:00
|
|
|
if (AV_CODEC_ID_PCM_DVD == avctx->codec_id) {
|
2011-09-28 02:24:47 +03:00
|
|
|
if (avctx->bits_per_coded_sample != 20 &&
|
|
|
|
avctx->bits_per_coded_sample != 24) {
|
2011-10-27 02:26:43 +03:00
|
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
|
|
"PCM DVD unsupported sample depth %i\n",
|
|
|
|
avctx->bits_per_coded_sample);
|
2011-09-28 02:24:47 +03:00
|
|
|
return AVERROR(EINVAL);
|
|
|
|
}
|
2008-05-17 14:42:03 +03:00
|
|
|
/* 2 samples are interleaved per block in PCM_DVD */
|
2011-09-06 19:17:45 +03:00
|
|
|
samples_per_block = 2;
|
2012-03-30 18:33:02 +03:00
|
|
|
sample_size = avctx->bits_per_coded_sample * 2 / 8;
|
2012-08-05 12:11:04 +03:00
|
|
|
} else if (avctx->codec_id == AV_CODEC_ID_PCM_LXF) {
|
2010-10-01 14:08:19 +03:00
|
|
|
/* we process 40-bit blocks per channel for LXF */
|
2011-09-06 19:17:45 +03:00
|
|
|
samples_per_block = 2;
|
2012-03-30 18:33:02 +03:00
|
|
|
sample_size = 5;
|
2011-09-06 19:17:45 +03:00
|
|
|
}
|
2008-08-20 14:05:15 +03:00
|
|
|
|
2011-01-11 16:08:45 +02:00
|
|
|
if (sample_size == 0) {
|
|
|
|
av_log(avctx, AV_LOG_ERROR, "Invalid sample_size\n");
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
}
|
|
|
|
|
2012-11-09 22:47:54 +03:00
|
|
|
if (avctx->channels == 0) {
|
|
|
|
av_log(avctx, AV_LOG_ERROR, "Invalid number of channels\n");
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
}
|
|
|
|
|
2012-12-01 04:36:01 +03:00
|
|
|
if (avctx->codec_id != avctx->codec->id) {
|
|
|
|
av_log(avctx, AV_LOG_ERROR, "codec ids mismatch\n");
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
}
|
|
|
|
|
2008-08-20 14:05:15 +03:00
|
|
|
n = avctx->channels * sample_size;
|
2008-05-17 14:42:03 +03:00
|
|
|
|
2012-03-30 18:33:02 +03:00
|
|
|
if (n && buf_size % n) {
|
2009-04-19 23:40:56 +03:00
|
|
|
if (buf_size < n) {
|
2012-06-22 18:43:40 +03:00
|
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
|
|
"Invalid PCM packet, data has size %d but at least a size of %d was expected\n",
|
|
|
|
buf_size, n);
|
|
|
|
return AVERROR_INVALIDDATA;
|
2012-03-30 18:33:02 +03:00
|
|
|
} else
|
2009-04-19 23:40:56 +03:00
|
|
|
buf_size -= buf_size % n;
|
2008-05-17 14:42:03 +03:00
|
|
|
}
|
|
|
|
|
2012-03-30 18:33:02 +03:00
|
|
|
n = buf_size / sample_size;
|
2007-11-25 18:32:47 +02:00
|
|
|
|
2011-09-06 19:17:45 +03:00
|
|
|
/* get output buffer */
|
2012-12-24 01:10:12 +03:00
|
|
|
frame->nb_samples = n * samples_per_block / avctx->channels;
|
|
|
|
if ((ret = ff_get_buffer(avctx, frame)) < 0) {
|
2011-09-06 19:17:45 +03:00
|
|
|
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
|
|
|
|
return ret;
|
2011-09-29 23:44:50 +03:00
|
|
|
}
|
2012-12-24 01:10:12 +03:00
|
|
|
samples = frame->data[0];
|
2011-09-29 23:44:50 +03:00
|
|
|
|
2012-11-13 23:43:37 +03:00
|
|
|
switch (avctx->codec_id) {
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_U32LE:
|
2011-10-08 14:47:53 +03:00
|
|
|
DECODE(32, le32, src, samples, n, 0, 0x80000000)
|
2005-09-02 22:16:48 +03:00
|
|
|
break;
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_U32BE:
|
2011-10-08 14:47:53 +03:00
|
|
|
DECODE(32, be32, src, samples, n, 0, 0x80000000)
|
2005-09-02 22:16:48 +03:00
|
|
|
break;
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_S24LE:
|
2011-10-08 14:47:53 +03:00
|
|
|
DECODE(32, le24, src, samples, n, 8, 0)
|
2005-09-02 22:16:48 +03:00
|
|
|
break;
|
2012-11-20 19:51:46 +03:00
|
|
|
case AV_CODEC_ID_PCM_S24LE_PLANAR:
|
|
|
|
DECODE_PLANAR(32, le24, src, samples, n, 8, 0);
|
|
|
|
break;
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_S24BE:
|
2011-10-08 14:47:53 +03:00
|
|
|
DECODE(32, be24, src, samples, n, 8, 0)
|
2005-09-02 22:16:48 +03:00
|
|
|
break;
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_U24LE:
|
2011-10-08 14:47:53 +03:00
|
|
|
DECODE(32, le24, src, samples, n, 8, 0x800000)
|
2005-09-02 22:16:48 +03:00
|
|
|
break;
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_U24BE:
|
2011-10-08 14:47:53 +03:00
|
|
|
DECODE(32, be24, src, samples, n, 8, 0x800000)
|
2005-09-02 22:16:48 +03:00
|
|
|
break;
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_S24DAUD:
|
2012-03-30 18:33:02 +03:00
|
|
|
for (; n > 0; n--) {
|
|
|
|
uint32_t v = bytestream_get_be24(&src);
|
|
|
|
v >>= 4; // sync flags are here
|
2012-10-11 19:50:30 +03:00
|
|
|
AV_WN16A(samples, ff_reverse[(v >> 8) & 0xff] +
|
|
|
|
(ff_reverse[v & 0xff] << 8));
|
2012-03-30 18:33:02 +03:00
|
|
|
samples += 2;
|
2005-09-02 22:16:48 +03:00
|
|
|
}
|
|
|
|
break;
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_U16LE:
|
2011-10-08 14:47:53 +03:00
|
|
|
DECODE(16, le16, src, samples, n, 0, 0x8000)
|
2001-09-23 20:16:51 +03:00
|
|
|
break;
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_U16BE:
|
2011-10-08 14:47:53 +03:00
|
|
|
DECODE(16, be16, src, samples, n, 0, 0x8000)
|
2001-09-23 20:16:51 +03:00
|
|
|
break;
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_S8:
|
2012-03-30 18:33:02 +03:00
|
|
|
for (; n > 0; n--)
|
2011-10-08 14:47:53 +03:00
|
|
|
*samples++ = *src++ + 128;
|
2001-09-23 20:16:51 +03:00
|
|
|
break;
|
2012-11-18 21:50:57 +03:00
|
|
|
case AV_CODEC_ID_PCM_S8_PLANAR:
|
|
|
|
n /= avctx->channels;
|
|
|
|
for (c = 0; c < avctx->channels; c++) {
|
|
|
|
int i;
|
2013-02-13 13:53:23 +03:00
|
|
|
samples = frame->extended_data[c];
|
2012-11-18 21:50:57 +03:00
|
|
|
for (i = n; i > 0; i--)
|
|
|
|
*samples++ = *src++ + 128;
|
|
|
|
}
|
|
|
|
break;
|
2009-07-26 15:20:04 +03:00
|
|
|
#if HAVE_BIGENDIAN
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_F64LE:
|
2011-10-08 14:47:53 +03:00
|
|
|
DECODE(64, le64, src, samples, n, 0, 0)
|
2008-08-19 13:43:47 +03:00
|
|
|
break;
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_S32LE:
|
|
|
|
case AV_CODEC_ID_PCM_F32LE:
|
2011-10-08 14:47:53 +03:00
|
|
|
DECODE(32, le32, src, samples, n, 0, 0)
|
2008-08-16 04:25:12 +03:00
|
|
|
break;
|
2012-11-20 19:51:46 +03:00
|
|
|
case AV_CODEC_ID_PCM_S32LE_PLANAR:
|
|
|
|
DECODE_PLANAR(32, le32, src, samples, n, 0, 0);
|
|
|
|
break;
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_S16LE:
|
2011-10-08 14:47:53 +03:00
|
|
|
DECODE(16, le16, src, samples, n, 0, 0)
|
2008-08-16 04:25:12 +03:00
|
|
|
break;
|
2012-11-20 19:51:46 +03:00
|
|
|
case AV_CODEC_ID_PCM_S16LE_PLANAR:
|
|
|
|
DECODE_PLANAR(16, le16, src, samples, n, 0, 0);
|
|
|
|
break;
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_F64BE:
|
|
|
|
case AV_CODEC_ID_PCM_F32BE:
|
|
|
|
case AV_CODEC_ID_PCM_S32BE:
|
|
|
|
case AV_CODEC_ID_PCM_S16BE:
|
2008-08-16 04:25:12 +03:00
|
|
|
#else
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_F64BE:
|
2011-10-08 14:47:53 +03:00
|
|
|
DECODE(64, be64, src, samples, n, 0, 0)
|
2008-08-19 13:43:47 +03:00
|
|
|
break;
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_F32BE:
|
|
|
|
case AV_CODEC_ID_PCM_S32BE:
|
2011-10-08 14:47:53 +03:00
|
|
|
DECODE(32, be32, src, samples, n, 0, 0)
|
2008-08-16 04:25:12 +03:00
|
|
|
break;
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_S16BE:
|
2011-10-08 14:47:53 +03:00
|
|
|
DECODE(16, be16, src, samples, n, 0, 0)
|
2008-08-16 04:25:12 +03:00
|
|
|
break;
|
2012-11-20 19:51:46 +03:00
|
|
|
case AV_CODEC_ID_PCM_S16BE_PLANAR:
|
|
|
|
DECODE_PLANAR(16, be16, src, samples, n, 0, 0);
|
|
|
|
break;
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_F64LE:
|
|
|
|
case AV_CODEC_ID_PCM_F32LE:
|
|
|
|
case AV_CODEC_ID_PCM_S32LE:
|
|
|
|
case AV_CODEC_ID_PCM_S16LE:
|
2009-07-26 15:20:04 +03:00
|
|
|
#endif /* HAVE_BIGENDIAN */
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_U8:
|
2012-03-30 18:33:02 +03:00
|
|
|
memcpy(samples, src, n * sample_size);
|
2001-09-23 20:16:51 +03:00
|
|
|
break;
|
2012-11-20 19:51:46 +03:00
|
|
|
#if HAVE_BIGENDIAN
|
|
|
|
case AV_CODEC_ID_PCM_S16BE_PLANAR:
|
|
|
|
#else
|
|
|
|
case AV_CODEC_ID_PCM_S16LE_PLANAR:
|
|
|
|
case AV_CODEC_ID_PCM_S32LE_PLANAR:
|
|
|
|
#endif /* HAVE_BIGENDIAN */
|
|
|
|
n /= avctx->channels;
|
|
|
|
for (c = 0; c < avctx->channels; c++) {
|
2013-02-13 13:53:23 +03:00
|
|
|
samples = frame->extended_data[c];
|
2012-11-20 19:51:46 +03:00
|
|
|
bytestream_get_buffer(&src, samples, n * sample_size);
|
|
|
|
}
|
|
|
|
break;
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_ZORK:
|
2011-09-29 02:31:05 +03:00
|
|
|
for (; n > 0; n--) {
|
|
|
|
int v = *src++;
|
|
|
|
if (v < 128)
|
|
|
|
v = 128 - v;
|
|
|
|
*samples++ = v;
|
2007-07-30 05:05:16 +03:00
|
|
|
}
|
|
|
|
break;
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_ALAW:
|
|
|
|
case AV_CODEC_ID_PCM_MULAW:
|
2012-03-30 18:33:02 +03:00
|
|
|
for (; n > 0; n--) {
|
2011-10-08 14:47:53 +03:00
|
|
|
AV_WN16A(samples, s->table[*src++]);
|
|
|
|
samples += 2;
|
2001-09-23 20:16:51 +03:00
|
|
|
}
|
|
|
|
break;
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_DVD:
|
2011-09-29 23:30:20 +03:00
|
|
|
{
|
|
|
|
const uint8_t *src8;
|
2012-12-24 01:10:12 +03:00
|
|
|
dst_int32_t = (int32_t *)frame->data[0];
|
2008-08-24 01:45:03 +03:00
|
|
|
n /= avctx->channels;
|
2008-09-08 17:24:59 +03:00
|
|
|
switch (avctx->bits_per_coded_sample) {
|
2008-08-24 01:45:03 +03:00
|
|
|
case 20:
|
2008-05-17 14:42:03 +03:00
|
|
|
while (n--) {
|
2012-03-30 18:33:02 +03:00
|
|
|
c = avctx->channels;
|
|
|
|
src8 = src + 4 * c;
|
2008-08-24 01:45:03 +03:00
|
|
|
while (c--) {
|
2012-03-30 18:33:02 +03:00
|
|
|
*dst_int32_t++ = (bytestream_get_be16(&src) << 16) + ((*src8 & 0xf0) << 8);
|
|
|
|
*dst_int32_t++ = (bytestream_get_be16(&src) << 16) + ((*src8++ & 0x0f) << 12);
|
2008-08-24 01:45:03 +03:00
|
|
|
}
|
|
|
|
src = src8;
|
2008-05-17 14:42:03 +03:00
|
|
|
}
|
2008-08-24 01:45:03 +03:00
|
|
|
break;
|
|
|
|
case 24:
|
|
|
|
while (n--) {
|
2012-03-30 18:33:02 +03:00
|
|
|
c = avctx->channels;
|
|
|
|
src8 = src + 4 * c;
|
2008-08-24 01:45:03 +03:00
|
|
|
while (c--) {
|
|
|
|
*dst_int32_t++ = (bytestream_get_be16(&src) << 16) + ((*src8++) << 8);
|
|
|
|
*dst_int32_t++ = (bytestream_get_be16(&src) << 16) + ((*src8++) << 8);
|
|
|
|
}
|
|
|
|
src = src8;
|
|
|
|
}
|
|
|
|
break;
|
2008-05-17 14:42:03 +03:00
|
|
|
}
|
|
|
|
break;
|
2011-09-29 23:30:20 +03:00
|
|
|
}
|
2012-08-05 12:11:04 +03:00
|
|
|
case AV_CODEC_ID_PCM_LXF:
|
2011-09-29 23:30:20 +03:00
|
|
|
{
|
|
|
|
int i;
|
2010-10-01 14:08:19 +03:00
|
|
|
n /= avctx->channels;
|
2012-03-17 06:05:12 +03:00
|
|
|
for (c = 0; c < avctx->channels; c++) {
|
2012-12-24 01:10:12 +03:00
|
|
|
dst_int32_t = (int32_t *)frame->extended_data[c];
|
2012-03-17 06:05:12 +03:00
|
|
|
for (i = 0; i < n; i++) {
|
2012-03-30 18:33:02 +03:00
|
|
|
// extract low 20 bits and expand to 32 bits
|
2012-08-28 18:45:39 +03:00
|
|
|
*dst_int32_t++ = (src[2] << 28) |
|
|
|
|
(src[1] << 20) |
|
|
|
|
(src[0] << 12) |
|
|
|
|
((src[2] & 0x0F) << 8) |
|
|
|
|
src[1];
|
2012-03-30 18:33:02 +03:00
|
|
|
// extract high 20 bits and expand to 32 bits
|
2012-08-28 18:45:39 +03:00
|
|
|
*dst_int32_t++ = (src[4] << 24) |
|
|
|
|
(src[3] << 16) |
|
|
|
|
((src[2] & 0xF0) << 8) |
|
|
|
|
(src[4] << 4) |
|
|
|
|
(src[3] >> 4);
|
2012-03-17 06:05:12 +03:00
|
|
|
src += 5;
|
2010-10-01 14:08:19 +03:00
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
2011-09-29 23:30:20 +03:00
|
|
|
}
|
2001-09-23 20:16:51 +03:00
|
|
|
default:
|
|
|
|
return -1;
|
|
|
|
}
|
2011-09-06 19:17:45 +03:00
|
|
|
|
2012-12-24 01:10:12 +03:00
|
|
|
*got_frame_ptr = 1;
|
2011-09-06 19:17:45 +03:00
|
|
|
|
2011-09-29 23:00:00 +03:00
|
|
|
return buf_size;
|
2001-09-23 20:16:51 +03:00
|
|
|
}
|
|
|
|
|
2012-10-18 00:26:55 +03:00
|
|
|
#define PCM_ENCODER_0(id_, sample_fmt_, name_, long_name_)
|
|
|
|
#define PCM_ENCODER_1(id_, sample_fmt_, name_, long_name_) \
|
2012-03-30 18:33:02 +03:00
|
|
|
AVCodec ff_ ## name_ ## _encoder = { \
|
|
|
|
.name = #name_, \
|
|
|
|
.type = AVMEDIA_TYPE_AUDIO, \
|
2012-10-18 00:26:55 +03:00
|
|
|
.id = AV_CODEC_ID_ ## id_, \
|
2012-03-30 18:33:02 +03:00
|
|
|
.init = pcm_encode_init, \
|
|
|
|
.encode2 = pcm_encode_frame, \
|
|
|
|
.close = pcm_encode_close, \
|
|
|
|
.capabilities = CODEC_CAP_VARIABLE_FRAME_SIZE, \
|
|
|
|
.sample_fmts = (const enum AVSampleFormat[]){ sample_fmt_, \
|
|
|
|
AV_SAMPLE_FMT_NONE }, \
|
|
|
|
.long_name = NULL_IF_CONFIG_SMALL(long_name_), \
|
2011-02-10 14:04:25 +02:00
|
|
|
}
|
2007-11-08 00:54:31 +02:00
|
|
|
|
2012-10-18 00:26:55 +03:00
|
|
|
#define PCM_ENCODER_2(cf, id, sample_fmt, name, long_name) \
|
|
|
|
PCM_ENCODER_ ## cf(id, sample_fmt, name, long_name)
|
|
|
|
#define PCM_ENCODER_3(cf, id, sample_fmt, name, long_name) \
|
|
|
|
PCM_ENCODER_2(cf, id, sample_fmt, name, long_name)
|
|
|
|
#define PCM_ENCODER(id, sample_fmt, name, long_name) \
|
|
|
|
PCM_ENCODER_3(CONFIG_ ## id ## _ENCODER, id, sample_fmt, name, long_name)
|
|
|
|
|
|
|
|
#define PCM_DECODER_0(id, sample_fmt, name, long_name)
|
|
|
|
#define PCM_DECODER_1(id_, sample_fmt_, name_, long_name_) \
|
2012-03-30 18:33:02 +03:00
|
|
|
AVCodec ff_ ## name_ ## _decoder = { \
|
|
|
|
.name = #name_, \
|
|
|
|
.type = AVMEDIA_TYPE_AUDIO, \
|
2012-10-18 00:26:55 +03:00
|
|
|
.id = AV_CODEC_ID_ ## id_, \
|
2012-03-30 18:33:02 +03:00
|
|
|
.priv_data_size = sizeof(PCMDecode), \
|
|
|
|
.init = pcm_decode_init, \
|
|
|
|
.decode = pcm_decode_frame, \
|
|
|
|
.capabilities = CODEC_CAP_DR1, \
|
|
|
|
.sample_fmts = (const enum AVSampleFormat[]){ sample_fmt_, \
|
|
|
|
AV_SAMPLE_FMT_NONE }, \
|
|
|
|
.long_name = NULL_IF_CONFIG_SMALL(long_name_), \
|
2011-02-10 14:04:25 +02:00
|
|
|
}
|
2012-10-18 00:26:55 +03:00
|
|
|
|
|
|
|
#define PCM_DECODER_2(cf, id, sample_fmt, name, long_name) \
|
|
|
|
PCM_DECODER_ ## cf(id, sample_fmt, name, long_name)
|
|
|
|
#define PCM_DECODER_3(cf, id, sample_fmt, name, long_name) \
|
|
|
|
PCM_DECODER_2(cf, id, sample_fmt, name, long_name)
|
|
|
|
#define PCM_DECODER(id, sample_fmt, name, long_name) \
|
|
|
|
PCM_DECODER_3(CONFIG_ ## id ## _DECODER, id, sample_fmt, name, long_name)
|
2007-11-08 00:54:31 +02:00
|
|
|
|
2012-03-30 18:33:02 +03:00
|
|
|
#define PCM_CODEC(id, sample_fmt_, name, long_name_) \
|
|
|
|
PCM_ENCODER(id, sample_fmt_, name, long_name_); \
|
|
|
|
PCM_DECODER(id, sample_fmt_, name, long_name_)
|
2008-05-16 03:26:02 +03:00
|
|
|
|
2008-07-05 10:30:59 +03:00
|
|
|
/* Note: Do not forget to add new entries to the Makefile as well. */
|
2012-10-23 13:36:16 +03:00
|
|
|
PCM_CODEC (PCM_ALAW, AV_SAMPLE_FMT_S16, pcm_alaw, "PCM A-law / G.711 A-law");
|
2012-10-18 00:26:55 +03:00
|
|
|
PCM_DECODER(PCM_DVD, AV_SAMPLE_FMT_S32, pcm_dvd, "PCM signed 20|24-bit big-endian");
|
|
|
|
PCM_CODEC (PCM_F32BE, AV_SAMPLE_FMT_FLT, pcm_f32be, "PCM 32-bit floating point big-endian");
|
|
|
|
PCM_CODEC (PCM_F32LE, AV_SAMPLE_FMT_FLT, pcm_f32le, "PCM 32-bit floating point little-endian");
|
|
|
|
PCM_CODEC (PCM_F64BE, AV_SAMPLE_FMT_DBL, pcm_f64be, "PCM 64-bit floating point big-endian");
|
|
|
|
PCM_CODEC (PCM_F64LE, AV_SAMPLE_FMT_DBL, pcm_f64le, "PCM 64-bit floating point little-endian");
|
2012-10-23 13:36:16 +03:00
|
|
|
PCM_DECODER(PCM_LXF, AV_SAMPLE_FMT_S32P,pcm_lxf, "PCM signed 20-bit little-endian planar");
|
|
|
|
PCM_CODEC (PCM_MULAW, AV_SAMPLE_FMT_S16, pcm_mulaw, "PCM mu-law / G.711 mu-law");
|
2012-10-18 00:26:55 +03:00
|
|
|
PCM_CODEC (PCM_S8, AV_SAMPLE_FMT_U8, pcm_s8, "PCM signed 8-bit");
|
2012-11-19 12:19:30 +03:00
|
|
|
PCM_CODEC (PCM_S8_PLANAR, AV_SAMPLE_FMT_U8P, pcm_s8_planar, "PCM signed 8-bit planar");
|
2012-10-18 00:26:55 +03:00
|
|
|
PCM_CODEC (PCM_S16BE, AV_SAMPLE_FMT_S16, pcm_s16be, "PCM signed 16-bit big-endian");
|
2012-11-19 12:19:30 +03:00
|
|
|
PCM_CODEC (PCM_S16BE_PLANAR, AV_SAMPLE_FMT_S16P,pcm_s16be_planar, "PCM signed 16-bit big-endian planar");
|
2012-10-18 00:26:55 +03:00
|
|
|
PCM_CODEC (PCM_S16LE, AV_SAMPLE_FMT_S16, pcm_s16le, "PCM signed 16-bit little-endian");
|
2012-11-19 12:19:30 +03:00
|
|
|
PCM_CODEC (PCM_S16LE_PLANAR, AV_SAMPLE_FMT_S16P,pcm_s16le_planar, "PCM signed 16-bit little-endian planar");
|
2012-10-18 00:26:55 +03:00
|
|
|
PCM_CODEC (PCM_S24BE, AV_SAMPLE_FMT_S32, pcm_s24be, "PCM signed 24-bit big-endian");
|
|
|
|
PCM_CODEC (PCM_S24DAUD, AV_SAMPLE_FMT_S16, pcm_s24daud, "PCM D-Cinema audio signed 24-bit");
|
|
|
|
PCM_CODEC (PCM_S24LE, AV_SAMPLE_FMT_S32, pcm_s24le, "PCM signed 24-bit little-endian");
|
2012-11-19 12:19:30 +03:00
|
|
|
PCM_CODEC (PCM_S24LE_PLANAR, AV_SAMPLE_FMT_S32P,pcm_s24le_planar, "PCM signed 24-bit little-endian planar");
|
2012-10-18 00:26:55 +03:00
|
|
|
PCM_CODEC (PCM_S32BE, AV_SAMPLE_FMT_S32, pcm_s32be, "PCM signed 32-bit big-endian");
|
|
|
|
PCM_CODEC (PCM_S32LE, AV_SAMPLE_FMT_S32, pcm_s32le, "PCM signed 32-bit little-endian");
|
2012-11-19 12:19:30 +03:00
|
|
|
PCM_CODEC (PCM_S32LE_PLANAR, AV_SAMPLE_FMT_S32P,pcm_s32le_planar, "PCM signed 32-bit little-endian planar");
|
2012-10-18 00:26:55 +03:00
|
|
|
PCM_CODEC (PCM_U8, AV_SAMPLE_FMT_U8, pcm_u8, "PCM unsigned 8-bit");
|
|
|
|
PCM_CODEC (PCM_U16BE, AV_SAMPLE_FMT_S16, pcm_u16be, "PCM unsigned 16-bit big-endian");
|
|
|
|
PCM_CODEC (PCM_U16LE, AV_SAMPLE_FMT_S16, pcm_u16le, "PCM unsigned 16-bit little-endian");
|
|
|
|
PCM_CODEC (PCM_U24BE, AV_SAMPLE_FMT_S32, pcm_u24be, "PCM unsigned 24-bit big-endian");
|
|
|
|
PCM_CODEC (PCM_U24LE, AV_SAMPLE_FMT_S32, pcm_u24le, "PCM unsigned 24-bit little-endian");
|
|
|
|
PCM_CODEC (PCM_U32BE, AV_SAMPLE_FMT_S32, pcm_u32be, "PCM unsigned 32-bit big-endian");
|
|
|
|
PCM_CODEC (PCM_U32LE, AV_SAMPLE_FMT_S32, pcm_u32le, "PCM unsigned 32-bit little-endian");
|
|
|
|
PCM_DECODER(PCM_ZORK, AV_SAMPLE_FMT_U8, pcm_zork, "PCM Zork");
|
2012-04-04 22:17:52 +03:00
|
|
|
|