X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fpcm.c;h=91006461796864823833341eea2dc963903e317d;hb=d3a6c2ab7e76f12f56932a087266b082dc1dc39b;hp=930242ea96348bfc7450a1073595aa97c6350cb0;hpb=ff66caab402c2768017dfad8979afb0e79a70a7a;p=ffmpeg diff --git a/libavcodec/pcm.c b/libavcodec/pcm.c index 930242ea963..91006461796 100644 --- a/libavcodec/pcm.c +++ b/libavcodec/pcm.c @@ -1,127 +1,52 @@ /* * PCM codecs - * Copyright (c) 2001 Fabrice Bellard. + * Copyright (c) 2001 Fabrice Bellard * - * This file is part of FFmpeg. + * This file is part of Libav. * - * FFmpeg is free software; you can redistribute it and/or + * Libav is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * FFmpeg is distributed in the hope that it will be useful, + * Libav is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software + * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** - * @file pcm.c + * @file * PCM codecs */ #include "avcodec.h" -#include "bitstream.h" // for ff_reverse +#include "libavutil/common.h" /* for av_reverse */ #include "bytestream.h" +#include "pcm_tablegen.h" #define MAX_CHANNELS 64 -/* from g711.c by SUN microsystems (unrestricted use) */ - -#define SIGN_BIT (0x80) /* Sign bit for a A-law byte. */ -#define QUANT_MASK (0xf) /* Quantization field mask. */ -#define NSEGS (8) /* Number of A-law segments. */ -#define SEG_SHIFT (4) /* Left shift for segment number. */ -#define SEG_MASK (0x70) /* Segment field mask. */ - -#define BIAS (0x84) /* Bias for linear code. */ - -/* - * alaw2linear() - Convert an A-law value to 16-bit linear PCM - * - */ -static av_cold int alaw2linear(unsigned char a_val) -{ - int t; - int seg; - - a_val ^= 0x55; - - t = a_val & QUANT_MASK; - seg = ((unsigned)a_val & SEG_MASK) >> SEG_SHIFT; - if(seg) t= (t + t + 1 + 32) << (seg + 2); - else t= (t + t + 1 ) << 3; - - return (a_val & SIGN_BIT) ? t : -t; -} - -static av_cold int ulaw2linear(unsigned char u_val) -{ - int t; - - /* Complement to obtain normal u-law value. */ - u_val = ~u_val; - - /* - * Extract and bias the quantization bits. Then - * shift up by the segment number and subtract out the bias. - */ - t = ((u_val & QUANT_MASK) << 3) + BIAS; - t <<= ((unsigned)u_val & SEG_MASK) >> SEG_SHIFT; - - return (u_val & SIGN_BIT) ? (BIAS - t) : (t - BIAS); -} - -/* 16384 entries per table */ -static uint8_t linear_to_alaw[16384]; -static uint8_t linear_to_ulaw[16384]; - -static av_cold void build_xlaw_table(uint8_t *linear_to_xlaw, - int (*xlaw2linear)(unsigned char), - int mask) -{ - int i, j, v, v1, v2; - - j = 0; - for(i=0;i<128;i++) { - if (i != 127) { - v1 = xlaw2linear(i ^ mask); - v2 = xlaw2linear((i + 1) ^ mask); - v = (v1 + v2 + 4) >> 3; - } else { - v = 8192; - } - for(;j 0) - linear_to_xlaw[8192 - j] = (i ^ (mask ^ 0x80)); - } - } - linear_to_xlaw[0] = linear_to_xlaw[1]; -} - static av_cold int pcm_encode_init(AVCodecContext *avctx) { avctx->frame_size = 1; - if (avctx->codec->id==CODEC_ID_PCM_F32BE && avctx->sample_fmt!=SAMPLE_FMT_FLT) { - return -1; - } switch(avctx->codec->id) { case CODEC_ID_PCM_ALAW: - build_xlaw_table(linear_to_alaw, alaw2linear, 0xd5); + pcm_alaw_tableinit(); break; case CODEC_ID_PCM_MULAW: - build_xlaw_table(linear_to_ulaw, ulaw2linear, 0xff); + pcm_ulaw_tableinit(); break; default: break; } - avctx->block_align = avctx->channels * av_get_bits_per_sample(avctx->codec->id)/8; + avctx->bits_per_coded_sample = av_get_bits_per_sample(avctx->codec->id); + avctx->block_align = avctx->channels * avctx->bits_per_coded_sample/8; avctx->coded_frame= avcodec_alloc_frame(); avctx->coded_frame->key_frame= 1; @@ -136,123 +61,120 @@ static av_cold int pcm_encode_close(AVCodecContext *avctx) } /** - * \brief convert samples from 16 bit - * \param bps byte per sample for the destination format, must be >= 2 - * \param le 0 for big-, 1 for little-endian - * \param us 0 for signed, 1 for unsigned output - * \param samples input samples - * \param dst output samples - * \param n number of samples in samples buffer. + * Write PCM samples macro + * @param type Datatype of native machine format + * @param endian bytestream_put_xxx() suffix + * @param src Source pointer (variable name) + * @param dst Destination pointer (variable name) + * @param n Total number of samples (variable name) + * @param shift Bitshift (bits) + * @param offset Sample value offset */ -static inline void encode_from16(int bps, int le, int us, - short **samples, uint8_t **dst, int n) { - int usum = us ? 0x8000 : 0; - if (bps > 2) - memset(*dst, 0, n * bps); - if (le) *dst += bps - 2; - for(;n>0;n--) { - register int v = *(*samples)++; - v += usum; - if (le) AV_WL16(*dst, v); - else AV_WB16(*dst, v); - *dst += bps; +#define ENCODE(type, endian, src, dst, n, shift, offset) \ + samples_##type = (const type*) src; \ + for(;n>0;n--) { \ + register type v = (*samples_##type++ >> shift) + offset; \ + bytestream_put_##endian(&dst, v); \ } - if (le) *dst -= bps - 2; -} static int pcm_encode_frame(AVCodecContext *avctx, unsigned char *frame, int buf_size, void *data) { int n, sample_size, v; - short *samples; + const short *samples; unsigned char *dst; + const uint8_t *srcu8; + const int16_t *samples_int16_t; + const int32_t *samples_int32_t; + const int64_t *samples_int64_t; + const uint16_t *samples_uint16_t; + const uint32_t *samples_uint32_t; sample_size = av_get_bits_per_sample(avctx->codec->id)/8; n = buf_size / sample_size; samples = data; dst = frame; + if (avctx->sample_fmt!=avctx->codec->sample_fmts[0]) { + av_log(avctx, AV_LOG_ERROR, "invalid sample_fmt\n"); + return -1; + } + switch(avctx->codec->id) { - case CODEC_ID_PCM_F32BE: - { - float *fsamples = data; - for(;n>0;n--) { - float fv = *fsamples++; - bytestream_put_be32(&dst, av_flt2int(fv)); - } - samples = (void*)fsamples; - } - break; - case CODEC_ID_PCM_S32LE: - encode_from16(4, 1, 0, &samples, &dst, n); - break; - case CODEC_ID_PCM_S32BE: - encode_from16(4, 0, 0, &samples, &dst, n); - break; case CODEC_ID_PCM_U32LE: - encode_from16(4, 1, 1, &samples, &dst, n); + ENCODE(uint32_t, le32, samples, dst, n, 0, 0x80000000) break; case CODEC_ID_PCM_U32BE: - encode_from16(4, 0, 1, &samples, &dst, n); + ENCODE(uint32_t, be32, samples, dst, n, 0, 0x80000000) break; case CODEC_ID_PCM_S24LE: - encode_from16(3, 1, 0, &samples, &dst, n); + ENCODE(int32_t, le24, samples, dst, n, 8, 0) break; case CODEC_ID_PCM_S24BE: - encode_from16(3, 0, 0, &samples, &dst, n); + ENCODE(int32_t, be24, samples, dst, n, 8, 0) break; case CODEC_ID_PCM_U24LE: - encode_from16(3, 1, 1, &samples, &dst, n); + ENCODE(uint32_t, le24, samples, dst, n, 8, 0x800000) break; case CODEC_ID_PCM_U24BE: - encode_from16(3, 0, 1, &samples, &dst, n); + ENCODE(uint32_t, be24, samples, dst, n, 8, 0x800000) break; case CODEC_ID_PCM_S24DAUD: for(;n>0;n--) { - uint32_t tmp = ff_reverse[(*samples >> 8) & 0xff] + - (ff_reverse[*samples & 0xff] << 8); + uint32_t tmp = av_reverse[(*samples >> 8) & 0xff] + + (av_reverse[*samples & 0xff] << 8); tmp <<= 4; // sync flags would go here bytestream_put_be24(&dst, tmp); samples++; } break; - case CODEC_ID_PCM_S16LE: - for(;n>0;n--) { - v = *samples++; - bytestream_put_le16(&dst, v); - } - break; - case CODEC_ID_PCM_S16BE: - for(;n>0;n--) { - v = *samples++; - bytestream_put_be16(&dst, v); - } - break; case CODEC_ID_PCM_U16LE: - for(;n>0;n--) { - v = *samples++; - v += 0x8000; - bytestream_put_le16(&dst, v); - } + ENCODE(uint16_t, le16, samples, dst, n, 0, 0x8000) break; case CODEC_ID_PCM_U16BE: - for(;n>0;n--) { - v = *samples++; - v += 0x8000; - bytestream_put_be16(&dst, v); - } + ENCODE(uint16_t, be16, samples, dst, n, 0, 0x8000) break; case CODEC_ID_PCM_S8: + srcu8= data; for(;n>0;n--) { - v = *samples++; - *dst++ = v >> 8; + v = *srcu8++; + *dst++ = v - 128; } break; +#if HAVE_BIGENDIAN + case CODEC_ID_PCM_F64LE: + ENCODE(int64_t, le64, samples, dst, n, 0, 0) + break; + case CODEC_ID_PCM_S32LE: + case CODEC_ID_PCM_F32LE: + ENCODE(int32_t, le32, samples, dst, n, 0, 0) + break; + case CODEC_ID_PCM_S16LE: + ENCODE(int16_t, le16, samples, dst, n, 0, 0) + break; + case CODEC_ID_PCM_F64BE: + case CODEC_ID_PCM_F32BE: + case CODEC_ID_PCM_S32BE: + case CODEC_ID_PCM_S16BE: +#else + case CODEC_ID_PCM_F64BE: + ENCODE(int64_t, be64, samples, dst, n, 0, 0) + break; + case CODEC_ID_PCM_F32BE: + case CODEC_ID_PCM_S32BE: + ENCODE(int32_t, be32, samples, dst, n, 0, 0) + break; + case CODEC_ID_PCM_S16BE: + ENCODE(int16_t, be16, samples, dst, n, 0, 0) + break; + case CODEC_ID_PCM_F64LE: + case CODEC_ID_PCM_F32LE: + case CODEC_ID_PCM_S32LE: + case CODEC_ID_PCM_S16LE: +#endif /* HAVE_BIGENDIAN */ case CODEC_ID_PCM_U8: - for(;n>0;n--) { - v = *samples++; - *dst++ = (v >> 8) + 128; - } + memcpy(dst, samples, n*sample_size); + dst += n*sample_size; break; case CODEC_ID_PCM_ZORK: for(;n>0;n--) { @@ -305,47 +227,56 @@ static av_cold int pcm_decode_init(AVCodecContext * avctx) } avctx->sample_fmt = avctx->codec->sample_fmts[0]; + + if (avctx->sample_fmt == AV_SAMPLE_FMT_S32) + avctx->bits_per_raw_sample = av_get_bits_per_sample(avctx->codec->id); + return 0; } /** - * \brief convert samples to 16 bit - * \param bps byte per sample for the source format, must be >= 2 - * \param le 0 for big-, 1 for little-endian - * \param us 0 for signed, 1 for unsigned input - * \param src input samples - * \param samples output samples - * \param src_len number of bytes in src + * Read PCM samples macro + * @param type Datatype of native machine format + * @param endian bytestream_get_xxx() endian suffix + * @param src Source pointer (variable name) + * @param dst Destination pointer (variable name) + * @param n Total number of samples (variable name) + * @param shift Bitshift (bits) + * @param offset Sample value offset */ -static inline void decode_to16(int bps, int le, int us, - const uint8_t **src, short **samples, int src_len) -{ - int usum = us ? -0x8000 : 0; - register int n = src_len / bps; - if (le) *src += bps - 2; - for(;n>0;n--) { - register int v; - if (le) v = AV_RL16(*src); - else v = AV_RB16(*src); - v += usum; - *(*samples)++ = v; - *src += bps; - } - if (le) *src -= bps - 2; -} +#define DECODE(type, endian, src, dst, n, shift, offset) \ + dst_##type = (type*)dst; \ + for(;n>0;n--) { \ + register type v = bytestream_get_##endian(&src); \ + *dst_##type++ = (v - offset) << shift; \ + } \ + dst = (short*)dst_##type; static int pcm_decode_frame(AVCodecContext *avctx, void *data, int *data_size, - const uint8_t *buf, int buf_size) + AVPacket *avpkt) { + const uint8_t *buf = avpkt->data; + int buf_size = avpkt->size; PCMDecode *s = avctx->priv_data; - int sample_size, c, n; + int sample_size, c, n, i; short *samples; - const uint8_t *src, *src2[MAX_CHANNELS]; + const uint8_t *src, *src8, *src2[MAX_CHANNELS]; + uint8_t *dstu8; + int16_t *dst_int16_t; + int32_t *dst_int32_t; + int64_t *dst_int64_t; + uint16_t *dst_uint16_t; + uint32_t *dst_uint32_t; samples = data; src = buf; + if (avctx->sample_fmt!=avctx->codec->sample_fmts[0]) { + av_log(avctx, AV_LOG_ERROR, "invalid sample_fmt\n"); + return -1; + } + if(avctx->channels <= 0 || avctx->channels > MAX_CHANNELS){ av_log(avctx, AV_LOG_ERROR, "PCM channels out of bounds\n"); return -1; @@ -353,15 +284,27 @@ static int pcm_decode_frame(AVCodecContext *avctx, sample_size = av_get_bits_per_sample(avctx->codec_id)/8; - n = avctx->channels * sample_size; /* av_get_bits_per_sample returns 0 for CODEC_ID_PCM_DVD */ if (CODEC_ID_PCM_DVD == avctx->codec_id) /* 2 samples are interleaved per block in PCM_DVD */ - n = 2 * avctx->channels * avctx->bits_per_sample/8; + sample_size = avctx->bits_per_coded_sample * 2 / 8; + else if (avctx->codec_id == CODEC_ID_PCM_LXF) + /* we process 40-bit blocks per channel for LXF */ + sample_size = 5; + + if (sample_size == 0) { + av_log(avctx, AV_LOG_ERROR, "Invalid sample_size\n"); + return AVERROR(EINVAL); + } + + n = avctx->channels * sample_size; if(n && buf_size % n){ - av_log(avctx, AV_LOG_ERROR, "invalid PCM packet\n"); - return -1; + if (buf_size < n) { + av_log(avctx, AV_LOG_ERROR, "invalid PCM packet\n"); + return -1; + }else + buf_size -= buf_size % n; } buf_size= FFMIN(buf_size, *data_size/2); @@ -370,84 +313,89 @@ static int pcm_decode_frame(AVCodecContext *avctx, n = buf_size/sample_size; switch(avctx->codec->id) { - case CODEC_ID_PCM_F32BE: - { - float *fsamples = data; - for(;n>0;n--) - *fsamples++ = av_int2flt(bytestream_get_be32(&src)); - samples = (void*)fsamples; - break; - } - case CODEC_ID_PCM_S32LE: - decode_to16(4, 1, 0, &src, &samples, buf_size); - break; - case CODEC_ID_PCM_S32BE: - decode_to16(4, 0, 0, &src, &samples, buf_size); - break; case CODEC_ID_PCM_U32LE: - decode_to16(4, 1, 1, &src, &samples, buf_size); + DECODE(uint32_t, le32, src, samples, n, 0, 0x80000000) break; case CODEC_ID_PCM_U32BE: - decode_to16(4, 0, 1, &src, &samples, buf_size); + DECODE(uint32_t, be32, src, samples, n, 0, 0x80000000) break; case CODEC_ID_PCM_S24LE: - decode_to16(3, 1, 0, &src, &samples, buf_size); + DECODE(int32_t, le24, src, samples, n, 8, 0) break; case CODEC_ID_PCM_S24BE: - decode_to16(3, 0, 0, &src, &samples, buf_size); + DECODE(int32_t, be24, src, samples, n, 8, 0) break; case CODEC_ID_PCM_U24LE: - decode_to16(3, 1, 1, &src, &samples, buf_size); + DECODE(uint32_t, le24, src, samples, n, 8, 0x800000) break; case CODEC_ID_PCM_U24BE: - decode_to16(3, 0, 1, &src, &samples, buf_size); + DECODE(uint32_t, be24, src, samples, n, 8, 0x800000) break; case CODEC_ID_PCM_S24DAUD: for(;n>0;n--) { uint32_t v = bytestream_get_be24(&src); v >>= 4; // sync flags are here - *samples++ = ff_reverse[(v >> 8) & 0xff] + - (ff_reverse[v & 0xff] << 8); - } - break; - case CODEC_ID_PCM_S16LE: - for(;n>0;n--) { - *samples++ = bytestream_get_le16(&src); + *samples++ = av_reverse[(v >> 8) & 0xff] + + (av_reverse[v & 0xff] << 8); } break; case CODEC_ID_PCM_S16LE_PLANAR: n /= avctx->channels; for(c=0;cchannels;c++) - src2[c] = &src[c*n]; - for(n>>=1;n>0;n--) + src2[c] = &src[c*n*2]; + for(;n>0;n--) for(c=0;cchannels;c++) *samples++ = bytestream_get_le16(&src2[c]); src = src2[avctx->channels-1]; break; - case CODEC_ID_PCM_S16BE: - for(;n>0;n--) { - *samples++ = bytestream_get_be16(&src); - } - break; case CODEC_ID_PCM_U16LE: - for(;n>0;n--) { - *samples++ = bytestream_get_le16(&src) - 0x8000; - } + DECODE(uint16_t, le16, src, samples, n, 0, 0x8000) break; case CODEC_ID_PCM_U16BE: - for(;n>0;n--) { - *samples++ = bytestream_get_be16(&src) - 0x8000; - } + DECODE(uint16_t, be16, src, samples, n, 0, 0x8000) break; case CODEC_ID_PCM_S8: + dstu8= (uint8_t*)samples; for(;n>0;n--) { - *samples++ = *src++ << 8; + *dstu8++ = *src++ + 128; } + samples= (short*)dstu8; + break; +#if HAVE_BIGENDIAN + case CODEC_ID_PCM_F64LE: + DECODE(int64_t, le64, src, samples, n, 0, 0) + break; + case CODEC_ID_PCM_S32LE: + case CODEC_ID_PCM_F32LE: + DECODE(int32_t, le32, src, samples, n, 0, 0) + break; + case CODEC_ID_PCM_S16LE: + DECODE(int16_t, le16, src, samples, n, 0, 0) + break; + case CODEC_ID_PCM_F64BE: + case CODEC_ID_PCM_F32BE: + case CODEC_ID_PCM_S32BE: + case CODEC_ID_PCM_S16BE: +#else + case CODEC_ID_PCM_F64BE: + DECODE(int64_t, be64, src, samples, n, 0, 0) + break; + case CODEC_ID_PCM_F32BE: + case CODEC_ID_PCM_S32BE: + DECODE(int32_t, be32, src, samples, n, 0, 0) + break; + case CODEC_ID_PCM_S16BE: + DECODE(int16_t, be16, src, samples, n, 0, 0) break; + case CODEC_ID_PCM_F64LE: + case CODEC_ID_PCM_F32LE: + case CODEC_ID_PCM_S32LE: + case CODEC_ID_PCM_S16LE: +#endif /* HAVE_BIGENDIAN */ case CODEC_ID_PCM_U8: - for(;n>0;n--) { - *samples++ = ((int)*src++ - 128) << 8; - } + memcpy(samples, src, n*sample_size); + src += n*sample_size; + samples = (short*)((uint8_t*)data + n*sample_size); break; case CODEC_ID_PCM_ZORK: for(;n>0;n--) { @@ -464,18 +412,57 @@ static int pcm_decode_frame(AVCodecContext *avctx, } break; case CODEC_ID_PCM_DVD: - if(avctx->bits_per_sample != 20 && avctx->bits_per_sample != 24) { + dst_int32_t = data; + n /= avctx->channels; + switch (avctx->bits_per_coded_sample) { + case 20: + while (n--) { + c = avctx->channels; + src8 = src + 4*c; + while (c--) { + *dst_int32_t++ = (bytestream_get_be16(&src) << 16) + ((*src8 &0xf0) << 8); + *dst_int32_t++ = (bytestream_get_be16(&src) << 16) + ((*src8++ &0x0f) << 12); + } + src = src8; + } + break; + case 24: + while (n--) { + c = avctx->channels; + src8 = src + 4*c; + 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; + default: av_log(avctx, AV_LOG_ERROR, "PCM DVD unsupported sample depth\n"); return -1; - } else { - int jump = avctx->channels * (avctx->bits_per_sample-16) / 4; - n = buf_size / (avctx->channels * 2 * avctx->bits_per_sample / 8); - while (n--) { - for (c=0; c < 2*avctx->channels; c++) - *samples++ = bytestream_get_be16(&src); - src += jump; + break; + } + samples = (short *) dst_int32_t; + break; + case CODEC_ID_PCM_LXF: + dst_int32_t = data; + n /= avctx->channels; + //unpack and de-planerize + for (i = 0; i < n; i++) { + for (c = 0, src8 = src + i*5; c < avctx->channels; c++, src8 += n*5) { + //extract low 20 bits and expand to 32 bits + *dst_int32_t++ = (src8[2] << 28) | (src8[1] << 20) | (src8[0] << 12) | + ((src8[2] & 0xF) << 8) | src8[1]; + } + + for (c = 0, src8 = src + i*5; c < avctx->channels; c++, src8 += n*5) { + //extract high 20 bits and expand to 32 bits + *dst_int32_t++ = (src8[4] << 24) | (src8[3] << 16) | + ((src8[2] & 0xF0) << 8) | (src8[4] << 4) | (src8[3] >> 4); } } + src += n * avctx->channels * 5; + samples = (short *) dst_int32_t; break; default: return -1; @@ -484,64 +471,64 @@ static int pcm_decode_frame(AVCodecContext *avctx, return src - buf; } -#ifdef CONFIG_ENCODERS -#define PCM_ENCODER(id,sample_fmt_,name,long_name_) \ -AVCodec name ## _encoder = { \ - #name, \ - CODEC_TYPE_AUDIO, \ - id, \ - 0, \ - pcm_encode_init, \ - pcm_encode_frame, \ - pcm_encode_close, \ - NULL, \ - .sample_fmts = (enum SampleFormat[]){sample_fmt_,SAMPLE_FMT_NONE}, \ +#if CONFIG_ENCODERS +#define PCM_ENCODER(id_,sample_fmt_,name_,long_name_) \ +AVCodec ff_ ## name_ ## _encoder = { \ + .name = #name_, \ + .type = AVMEDIA_TYPE_AUDIO, \ + .id = id_, \ + .init = pcm_encode_init, \ + .encode = pcm_encode_frame, \ + .close = pcm_encode_close, \ + .sample_fmts = (const enum AVSampleFormat[]){sample_fmt_,AV_SAMPLE_FMT_NONE}, \ .long_name = NULL_IF_CONFIG_SMALL(long_name_), \ -}; +} #else #define PCM_ENCODER(id,sample_fmt_,name,long_name_) #endif -#ifdef CONFIG_DECODERS -#define PCM_DECODER(id,sample_fmt_,name,long_name_) \ -AVCodec name ## _decoder = { \ - #name, \ - CODEC_TYPE_AUDIO, \ - id, \ - sizeof(PCMDecode), \ - pcm_decode_init, \ - NULL, \ - NULL, \ - pcm_decode_frame, \ - .sample_fmts = (enum SampleFormat[]){sample_fmt_,SAMPLE_FMT_NONE}, \ +#if CONFIG_DECODERS +#define PCM_DECODER(id_,sample_fmt_,name_,long_name_) \ +AVCodec ff_ ## name_ ## _decoder = { \ + .name = #name_, \ + .type = AVMEDIA_TYPE_AUDIO, \ + .id = id_, \ + .priv_data_size = sizeof(PCMDecode), \ + .init = pcm_decode_init, \ + .decode = pcm_decode_frame, \ + .sample_fmts = (const enum AVSampleFormat[]){sample_fmt_,AV_SAMPLE_FMT_NONE}, \ .long_name = NULL_IF_CONFIG_SMALL(long_name_), \ -}; +} #else #define PCM_DECODER(id,sample_fmt_,name,long_name_) #endif #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_) + PCM_ENCODER(id,sample_fmt_,name,long_name_); PCM_DECODER(id,sample_fmt_,name,long_name_) /* Note: Do not forget to add new entries to the Makefile as well. */ -PCM_CODEC (CODEC_ID_PCM_ALAW, SAMPLE_FMT_S16, pcm_alaw, "A-law PCM"); -PCM_CODEC (CODEC_ID_PCM_DVD, SAMPLE_FMT_S16, pcm_dvd, "signed 16|20|24-bit big-endian PCM"); -PCM_CODEC (CODEC_ID_PCM_F32BE, SAMPLE_FMT_FLT, pcm_f32be, "32-bit floating point big-endian PCM"); -PCM_CODEC (CODEC_ID_PCM_MULAW, SAMPLE_FMT_S16, pcm_mulaw, "mu-law PCM"); -PCM_CODEC (CODEC_ID_PCM_S8, SAMPLE_FMT_S16, pcm_s8, "signed 8-bit PCM"); -PCM_CODEC (CODEC_ID_PCM_S16BE, SAMPLE_FMT_S16, pcm_s16be, "signed 16-bit big-endian PCM"); -PCM_CODEC (CODEC_ID_PCM_S16LE, SAMPLE_FMT_S16, pcm_s16le, "signed 16-bit little-endian PCM"); -PCM_DECODER(CODEC_ID_PCM_S16LE_PLANAR, SAMPLE_FMT_S16, pcm_s16le_planar, "16-bit little-endian planar PCM"); -PCM_CODEC (CODEC_ID_PCM_S24BE, SAMPLE_FMT_S16, pcm_s24be, "signed 24-bit big-endian PCM"); -PCM_CODEC (CODEC_ID_PCM_S24DAUD, SAMPLE_FMT_S16, pcm_s24daud, "D-Cinema audio signed 24-bit PCM"); -PCM_CODEC (CODEC_ID_PCM_S24LE, SAMPLE_FMT_S16, pcm_s24le, "signed 24-bit little-endian PCM"); -PCM_CODEC (CODEC_ID_PCM_S32BE, SAMPLE_FMT_S16, pcm_s32be, "signed 32-bit big-endian PCM"); -PCM_CODEC (CODEC_ID_PCM_S32LE, SAMPLE_FMT_S16, pcm_s32le, "signed 32-bit little-endian PCM"); -PCM_CODEC (CODEC_ID_PCM_U8, SAMPLE_FMT_S16, pcm_u8, "unsigned 8-bit PCM"); -PCM_CODEC (CODEC_ID_PCM_U16BE, SAMPLE_FMT_S16, pcm_u16be, "unsigned 16-bit big-endian PCM"); -PCM_CODEC (CODEC_ID_PCM_U16LE, SAMPLE_FMT_S16, pcm_u16le, "unsigned 16-bit little-endian PCM"); -PCM_CODEC (CODEC_ID_PCM_U24BE, SAMPLE_FMT_S16, pcm_u24be, "unsigned 24-bit big-endian PCM"); -PCM_CODEC (CODEC_ID_PCM_U24LE, SAMPLE_FMT_S16, pcm_u24le, "unsigned 24-bit little-endian PCM"); -PCM_CODEC (CODEC_ID_PCM_U32BE, SAMPLE_FMT_S16, pcm_u32be, "unsigned 32-bit big-endian PCM"); -PCM_CODEC (CODEC_ID_PCM_U32LE, SAMPLE_FMT_S16, pcm_u32le, "unsigned 32-bit little-endian PCM"); -PCM_CODEC (CODEC_ID_PCM_ZORK, SAMPLE_FMT_S16, pcm_zork, "Zork PCM"); +PCM_CODEC (CODEC_ID_PCM_ALAW, AV_SAMPLE_FMT_S16, pcm_alaw, "PCM A-law"); +PCM_DECODER(CODEC_ID_PCM_DVD, AV_SAMPLE_FMT_S32, pcm_dvd, "PCM signed 20|24-bit big-endian"); +PCM_CODEC (CODEC_ID_PCM_F32BE, AV_SAMPLE_FMT_FLT, pcm_f32be, "PCM 32-bit floating point big-endian"); +PCM_CODEC (CODEC_ID_PCM_F32LE, AV_SAMPLE_FMT_FLT, pcm_f32le, "PCM 32-bit floating point little-endian"); +PCM_CODEC (CODEC_ID_PCM_F64BE, AV_SAMPLE_FMT_DBL, pcm_f64be, "PCM 64-bit floating point big-endian"); +PCM_CODEC (CODEC_ID_PCM_F64LE, AV_SAMPLE_FMT_DBL, pcm_f64le, "PCM 64-bit floating point little-endian"); +PCM_DECODER(CODEC_ID_PCM_LXF, AV_SAMPLE_FMT_S32, pcm_lxf, "PCM signed 20-bit little-endian planar"); +PCM_CODEC (CODEC_ID_PCM_MULAW, AV_SAMPLE_FMT_S16, pcm_mulaw, "PCM mu-law"); +PCM_CODEC (CODEC_ID_PCM_S8, AV_SAMPLE_FMT_U8, pcm_s8, "PCM signed 8-bit"); +PCM_CODEC (CODEC_ID_PCM_S16BE, AV_SAMPLE_FMT_S16, pcm_s16be, "PCM signed 16-bit big-endian"); +PCM_CODEC (CODEC_ID_PCM_S16LE, AV_SAMPLE_FMT_S16, pcm_s16le, "PCM signed 16-bit little-endian"); +PCM_DECODER(CODEC_ID_PCM_S16LE_PLANAR, AV_SAMPLE_FMT_S16, pcm_s16le_planar, "PCM 16-bit little-endian planar"); +PCM_CODEC (CODEC_ID_PCM_S24BE, AV_SAMPLE_FMT_S32, pcm_s24be, "PCM signed 24-bit big-endian"); +PCM_CODEC (CODEC_ID_PCM_S24DAUD, AV_SAMPLE_FMT_S16, pcm_s24daud, "PCM D-Cinema audio signed 24-bit"); +PCM_CODEC (CODEC_ID_PCM_S24LE, AV_SAMPLE_FMT_S32, pcm_s24le, "PCM signed 24-bit little-endian"); +PCM_CODEC (CODEC_ID_PCM_S32BE, AV_SAMPLE_FMT_S32, pcm_s32be, "PCM signed 32-bit big-endian"); +PCM_CODEC (CODEC_ID_PCM_S32LE, AV_SAMPLE_FMT_S32, pcm_s32le, "PCM signed 32-bit little-endian"); +PCM_CODEC (CODEC_ID_PCM_U8, AV_SAMPLE_FMT_U8, pcm_u8, "PCM unsigned 8-bit"); +PCM_CODEC (CODEC_ID_PCM_U16BE, AV_SAMPLE_FMT_S16, pcm_u16be, "PCM unsigned 16-bit big-endian"); +PCM_CODEC (CODEC_ID_PCM_U16LE, AV_SAMPLE_FMT_S16, pcm_u16le, "PCM unsigned 16-bit little-endian"); +PCM_CODEC (CODEC_ID_PCM_U24BE, AV_SAMPLE_FMT_S32, pcm_u24be, "PCM unsigned 24-bit big-endian"); +PCM_CODEC (CODEC_ID_PCM_U24LE, AV_SAMPLE_FMT_S32, pcm_u24le, "PCM unsigned 24-bit little-endian"); +PCM_CODEC (CODEC_ID_PCM_U32BE, AV_SAMPLE_FMT_S32, pcm_u32be, "PCM unsigned 32-bit big-endian"); +PCM_CODEC (CODEC_ID_PCM_U32LE, AV_SAMPLE_FMT_S32, pcm_u32le, "PCM unsigned 32-bit little-endian"); +PCM_CODEC (CODEC_ID_PCM_ZORK, AV_SAMPLE_FMT_S16, pcm_zork, "PCM Zork");