/* * PCM codecs * Copyright (c) 2001 Fabrice Bellard * * This file is part of FFmpeg. * * FFmpeg 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, * 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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file * PCM codecs */ #include "config.h" #include "config_components.h" #include "libavutil/attributes.h" #include "libavutil/float_dsp.h" #include "libavutil/mem.h" #include "libavutil/reverse.h" #include "libavutil/thread.h" #include "avcodec.h" #include "bytestream.h" #include "codec_internal.h" #include "decode.h" #include "encode.h" #include "pcm_tablegen.h" static av_cold int pcm_encode_init(AVCodecContext *avctx) { avctx->frame_size = 0; #if !CONFIG_HARDCODED_TABLES switch (avctx->codec->id) { #define INIT_ONCE(id, name) \ case AV_CODEC_ID_PCM_ ## id: \ if (CONFIG_PCM_ ## id ## _ENCODER) { \ static AVOnce init_static_once = AV_ONCE_INIT; \ ff_thread_once(&init_static_once, pcm_ ## name ## _tableinit); \ } \ break INIT_ONCE(ALAW, alaw); INIT_ONCE(MULAW, ulaw); INIT_ONCE(VIDC, vidc); default: break; } #endif avctx->bits_per_coded_sample = av_get_bits_per_sample(avctx->codec->id); avctx->block_align = avctx->ch_layout.nb_channels * avctx->bits_per_coded_sample / 8; avctx->bit_rate = avctx->block_align * 8LL * avctx->sample_rate; return 0; } /** * 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 */ #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); \ } #define ENCODE_PLANAR(type, endian, dst, n, shift, offset) \ n /= avctx->ch_layout.nb_channels; \ for (c = 0; c < avctx->ch_layout.nb_channels; c++) { \ int i; \ samples_ ## type = (const type *) frame->extended_data[c]; \ for (i = n; i > 0; i--) { \ register type v = (*samples_ ## type++ >> shift) + offset; \ bytestream_put_ ## endian(&dst, v); \ } \ } static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt, const AVFrame *frame, int *got_packet_ptr) { int n, c, sample_size, v, ret; const short *samples; unsigned char *dst; const uint8_t *samples_uint8_t; 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 = frame->nb_samples * avctx->ch_layout.nb_channels; samples = (const short *)frame->data[0]; if ((ret = ff_get_encode_buffer(avctx, avpkt, n * sample_size, 0)) < 0) return ret; dst = avpkt->data; switch (avctx->codec->id) { case AV_CODEC_ID_PCM_U32LE: ENCODE(uint32_t, le32, samples, dst, n, 0, 0x80000000) break; case AV_CODEC_ID_PCM_U32BE: ENCODE(uint32_t, be32, samples, dst, n, 0, 0x80000000) break; case AV_CODEC_ID_PCM_S24LE: ENCODE(int32_t, le24, samples, dst, n, 8, 0) break; case AV_CODEC_ID_PCM_S24LE_PLANAR: ENCODE_PLANAR(int32_t, le24, dst, n, 8, 0) break; case AV_CODEC_ID_PCM_S24BE: ENCODE(int32_t, be24, samples, dst, n, 8, 0) break; case AV_CODEC_ID_PCM_U24LE: ENCODE(uint32_t, le24, samples, dst, n, 8, 0x800000) break; case AV_CODEC_ID_PCM_U24BE: ENCODE(uint32_t, be24, samples, dst, n, 8, 0x800000) break; case AV_CODEC_ID_PCM_S24DAUD: for (; n > 0; n--) { uint32_t tmp = ff_reverse[(*samples >> 8) & 0xff] + (ff_reverse[*samples & 0xff] << 8); tmp <<= 4; // sync flags would go here bytestream_put_be24(&dst, tmp); samples++; } break; case AV_CODEC_ID_PCM_U16LE: ENCODE(uint16_t, le16, samples, dst, n, 0, 0x8000) break; case AV_CODEC_ID_PCM_U16BE: ENCODE(uint16_t, be16, samples, dst, n, 0, 0x8000) break; case AV_CODEC_ID_PCM_S8: ENCODE(uint8_t, byte, samples, dst, n, 0, -128) break; case AV_CODEC_ID_PCM_S8_PLANAR: ENCODE_PLANAR(uint8_t, byte, dst, n, 0, -128) break; #if HAVE_BIGENDIAN case AV_CODEC_ID_PCM_S64LE: case AV_CODEC_ID_PCM_F64LE: ENCODE(int64_t, le64, samples, dst, n, 0, 0) break; case AV_CODEC_ID_PCM_S32LE: case AV_CODEC_ID_PCM_F32LE: ENCODE(int32_t, le32, samples, dst, n, 0, 0) break; case AV_CODEC_ID_PCM_S32LE_PLANAR: ENCODE_PLANAR(int32_t, le32, dst, n, 0, 0) break; case AV_CODEC_ID_PCM_S16LE: ENCODE(int16_t, le16, samples, dst, n, 0, 0) break; case AV_CODEC_ID_PCM_S16LE_PLANAR: ENCODE_PLANAR(int16_t, le16, dst, n, 0, 0) break; case AV_CODEC_ID_PCM_F64BE: case AV_CODEC_ID_PCM_F32BE: case AV_CODEC_ID_PCM_S64BE: case AV_CODEC_ID_PCM_S32BE: case AV_CODEC_ID_PCM_S16BE: #else case AV_CODEC_ID_PCM_S64BE: case AV_CODEC_ID_PCM_F64BE: ENCODE(int64_t, be64, samples, dst, n, 0, 0) break; case AV_CODEC_ID_PCM_F32BE: case AV_CODEC_ID_PCM_S32BE: ENCODE(int32_t, be32, samples, dst, n, 0, 0) break; case AV_CODEC_ID_PCM_S16BE: ENCODE(int16_t, be16, samples, dst, n, 0, 0) break; case AV_CODEC_ID_PCM_S16BE_PLANAR: ENCODE_PLANAR(int16_t, be16, dst, n, 0, 0) break; case AV_CODEC_ID_PCM_F64LE: case AV_CODEC_ID_PCM_F32LE: case AV_CODEC_ID_PCM_S64LE: case AV_CODEC_ID_PCM_S32LE: case AV_CODEC_ID_PCM_S16LE: #endif /* HAVE_BIGENDIAN */ case AV_CODEC_ID_PCM_U8: memcpy(dst, samples, n * sample_size); break; #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->ch_layout.nb_channels; for (c = 0; c < avctx->ch_layout.nb_channels; c++) { const uint8_t *src = frame->extended_data[c]; bytestream_put_buffer(&dst, src, n * sample_size); } break; case AV_CODEC_ID_PCM_ALAW: for (; n > 0; n--) { v = *samples++; *dst++ = linear_to_alaw[(v + 32768) >> 2]; } break; case AV_CODEC_ID_PCM_MULAW: for (; n > 0; n--) { v = *samples++; *dst++ = linear_to_ulaw[(v + 32768) >> 2]; } break; case AV_CODEC_ID_PCM_VIDC: for (; n > 0; n--) { v = *samples++; *dst++ = linear_to_vidc[(v + 32768) >> 2]; } break; default: return -1; } *got_packet_ptr = 1; return 0; } typedef struct PCMDecode { int sample_size; } PCMDecode; static av_cold av_unused int pcm_decode_init(AVCodecContext *avctx) { PCMDecode *s = avctx->priv_data; static const struct { enum AVCodecID codec_id; int8_t sample_fmt; uint8_t sample_size; uint8_t bits_per_sample; } codec_id_to_samplefmt[] = { #define ENTRY(CODEC_ID, SAMPLE_FMT, BITS_PER_SAMPLE) \ { AV_CODEC_ID_PCM_ ## CODEC_ID, AV_SAMPLE_FMT_ ## SAMPLE_FMT, \ BITS_PER_SAMPLE / 8, BITS_PER_SAMPLE } ENTRY(S8, U8, 8), ENTRY(S8_PLANAR, U8P, 8), ENTRY(S16BE, S16, 16), ENTRY(S16BE_PLANAR, S16P, 16), ENTRY(S16LE, S16, 16), ENTRY(S16LE_PLANAR, S16P, 16), ENTRY(S24DAUD, S16, 24), ENTRY(S24BE, S32, 24), ENTRY(S24LE, S32, 24), ENTRY(S24LE_PLANAR, S32P, 24), ENTRY(S32BE, S32, 32), ENTRY(S32LE, S32, 32), ENTRY(S32LE_PLANAR, S32P, 32), ENTRY(S64BE, S64, 64), ENTRY(S64LE, S64, 64), ENTRY(SGA, U8, 8), ENTRY(U8, U8, 8), ENTRY(U16BE, S16, 16), ENTRY(U16LE, S16, 16), ENTRY(U24BE, S32, 24), ENTRY(U24LE, S32, 24), ENTRY(U32BE, S32, 32), ENTRY(U32LE, S32, 32), ENTRY(F32BE, FLT, 32), ENTRY(F32LE, FLT, 32), ENTRY(F64BE, DBL, 64), ENTRY(F64LE, DBL, 64), { .codec_id = AV_CODEC_ID_PCM_LXF, .sample_fmt = AV_SAMPLE_FMT_S32P, .sample_size = 5 }, }; for (unsigned i = 0; i < FF_ARRAY_ELEMS(codec_id_to_samplefmt); ++i) { if (codec_id_to_samplefmt[i].codec_id == avctx->codec_id) { s->sample_size = codec_id_to_samplefmt[i].sample_size; avctx->sample_fmt = codec_id_to_samplefmt[i].sample_fmt; if (avctx->sample_fmt == AV_SAMPLE_FMT_S32) avctx->bits_per_raw_sample = codec_id_to_samplefmt[i].bits_per_sample; break; } av_assert1(i + 1 < FF_ARRAY_ELEMS(codec_id_to_samplefmt)); } return 0; } typedef struct PCMScaleDecode { PCMDecode base; void (*vector_fmul_scalar)(float *dst, const float *src, float mul, int len); float scale; } PCMScaleDecode; static av_cold av_unused int pcm_scale_decode_init(AVCodecContext *avctx) { PCMScaleDecode *s = avctx->priv_data; AVFloatDSPContext *fdsp; avctx->sample_fmt = AV_SAMPLE_FMT_FLT; s->base.sample_size = 4; if (avctx->bits_per_coded_sample < 1 || avctx->bits_per_coded_sample > 24) return AVERROR_INVALIDDATA; s->scale = 1. / (1 << (avctx->bits_per_coded_sample - 1)); fdsp = avpriv_float_dsp_alloc(0); if (!fdsp) return AVERROR(ENOMEM); s->vector_fmul_scalar = fdsp->vector_fmul_scalar; av_free(fdsp); return 0; } typedef struct PCMLUTDecode { PCMDecode base; int16_t table[256]; } PCMLUTDecode; static av_cold av_unused int pcm_lut_decode_init(AVCodecContext *avctx) { PCMLUTDecode *s = avctx->priv_data; switch (avctx->codec_id) { default: av_unreachable("pcm_lut_decode_init() only used with alaw, mulaw and vidc"); case AV_CODEC_ID_PCM_ALAW: for (int i = 0; i < 256; i++) s->table[i] = alaw2linear(i); break; case AV_CODEC_ID_PCM_MULAW: for (int i = 0; i < 256; i++) s->table[i] = ulaw2linear(i); break; case AV_CODEC_ID_PCM_VIDC: for (int i = 0; i < 256; i++) s->table[i] = vidc2linear(i); break; } avctx->sample_fmt = AV_SAMPLE_FMT_S16; s->base.sample_size = 1; return 0; } /** * Read PCM samples macro * @param size Data size 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 */ #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, (uint ## size ## _t)(v - offset) << shift); \ dst += size / 8; \ } #define DECODE_PLANAR(size, endian, src, dst, n, shift, offset) \ n /= channels; \ for (c = 0; c < avctx->ch_layout.nb_channels; c++) { \ int i; \ dst = frame->extended_data[c]; \ for (i = n; i > 0; i--) { \ uint ## size ## _t v = bytestream_get_ ## endian(&src); \ AV_WN ## size ## A(dst, (uint ## size ##_t)(v - offset) << shift); \ dst += size / 8; \ } \ } static int pcm_decode_frame(AVCodecContext *avctx, AVFrame *frame, int *got_frame_ptr, AVPacket *avpkt) { const uint8_t *src = avpkt->data; int buf_size = avpkt->size; PCMDecode *s = avctx->priv_data; int channels = avctx->ch_layout.nb_channels; int sample_size = s->sample_size; int c, n, ret, samples_per_block; uint8_t *samples; int32_t *dst_int32_t; samples_per_block = 1; if (avctx->codec_id == AV_CODEC_ID_PCM_LXF) { /* we process 40-bit blocks per channel for LXF */ samples_per_block = 2; } if (channels == 0) { av_log(avctx, AV_LOG_ERROR, "Invalid number of channels\n"); return AVERROR(EINVAL); } if (avctx->codec_id != avctx->codec->id) { av_log(avctx, AV_LOG_ERROR, "codec ids mismatch\n"); return AVERROR(EINVAL); } n = channels * sample_size; if (n && buf_size % n) { if (buf_size < n) { 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; } else buf_size -= buf_size % n; } n = buf_size / sample_size; /* get output buffer */ frame->nb_samples = n * samples_per_block / channels; if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) return ret; samples = frame->data[0]; switch (avctx->codec_id) { case AV_CODEC_ID_PCM_U32LE: DECODE(32, le32, src, samples, n, 0, 0x80000000) break; case AV_CODEC_ID_PCM_U32BE: DECODE(32, be32, src, samples, n, 0, 0x80000000) break; case AV_CODEC_ID_PCM_S24LE: DECODE(32, le24, src, samples, n, 8, 0) break; case AV_CODEC_ID_PCM_S24LE_PLANAR: DECODE_PLANAR(32, le24, src, samples, n, 8, 0); break; case AV_CODEC_ID_PCM_S24BE: DECODE(32, be24, src, samples, n, 8, 0) break; case AV_CODEC_ID_PCM_U24LE: DECODE(32, le24, src, samples, n, 8, 0x800000) break; case AV_CODEC_ID_PCM_U24BE: DECODE(32, be24, src, samples, n, 8, 0x800000) break; case AV_CODEC_ID_PCM_S24DAUD: for (; n > 0; n--) { uint32_t v = bytestream_get_be24(&src); v >>= 4; // sync flags are here AV_WN16A(samples, ff_reverse[(v >> 8) & 0xff] + (ff_reverse[v & 0xff] << 8)); samples += 2; } break; case AV_CODEC_ID_PCM_U16LE: DECODE(16, le16, src, samples, n, 0, 0x8000) break; case AV_CODEC_ID_PCM_U16BE: DECODE(16, be16, src, samples, n, 0, 0x8000) break; case AV_CODEC_ID_PCM_S8: for (; n > 0; n--) *samples++ = *src++ + 128; break; case AV_CODEC_ID_PCM_SGA: for (; n > 0; n--) { int sign = *src >> 7; int magn = *src & 0x7f; *samples++ = sign ? 128 - magn : 128 + magn; src++; } break; case AV_CODEC_ID_PCM_S8_PLANAR: n /= avctx->ch_layout.nb_channels; for (c = 0; c < avctx->ch_layout.nb_channels; c++) { int i; samples = frame->extended_data[c]; for (i = n; i > 0; i--) *samples++ = *src++ + 128; } break; #if HAVE_BIGENDIAN case AV_CODEC_ID_PCM_S64LE: case AV_CODEC_ID_PCM_F64LE: DECODE(64, le64, src, samples, n, 0, 0) break; case AV_CODEC_ID_PCM_S32LE: case AV_CODEC_ID_PCM_F32LE: case AV_CODEC_ID_PCM_F24LE: case AV_CODEC_ID_PCM_F16LE: DECODE(32, le32, src, samples, n, 0, 0) break; case AV_CODEC_ID_PCM_S32LE_PLANAR: DECODE_PLANAR(32, le32, src, samples, n, 0, 0); break; case AV_CODEC_ID_PCM_S16LE: DECODE(16, le16, src, samples, n, 0, 0) break; case AV_CODEC_ID_PCM_S16LE_PLANAR: DECODE_PLANAR(16, le16, src, samples, n, 0, 0); break; case AV_CODEC_ID_PCM_F64BE: case AV_CODEC_ID_PCM_F32BE: case AV_CODEC_ID_PCM_S64BE: case AV_CODEC_ID_PCM_S32BE: case AV_CODEC_ID_PCM_S16BE: #else case AV_CODEC_ID_PCM_S64BE: case AV_CODEC_ID_PCM_F64BE: DECODE(64, be64, src, samples, n, 0, 0) break; case AV_CODEC_ID_PCM_F32BE: case AV_CODEC_ID_PCM_S32BE: DECODE(32, be32, src, samples, n, 0, 0) break; case AV_CODEC_ID_PCM_S16BE: DECODE(16, be16, src, samples, n, 0, 0) break; case AV_CODEC_ID_PCM_S16BE_PLANAR: DECODE_PLANAR(16, be16, src, samples, n, 0, 0); break; case AV_CODEC_ID_PCM_F64LE: case AV_CODEC_ID_PCM_F32LE: case AV_CODEC_ID_PCM_F24LE: case AV_CODEC_ID_PCM_F16LE: case AV_CODEC_ID_PCM_S64LE: case AV_CODEC_ID_PCM_S32LE: case AV_CODEC_ID_PCM_S16LE: #endif /* HAVE_BIGENDIAN */ case AV_CODEC_ID_PCM_U8: memcpy(samples, src, n * sample_size); break; #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->ch_layout.nb_channels; for (c = 0; c < avctx->ch_layout.nb_channels; c++) { samples = frame->extended_data[c]; bytestream_get_buffer(&src, samples, n * sample_size); } break; case AV_CODEC_ID_PCM_ALAW: case AV_CODEC_ID_PCM_MULAW: case AV_CODEC_ID_PCM_VIDC: { const int16_t *const lut = ((PCMLUTDecode*)avctx->priv_data)->table; int16_t *restrict samples_16 = (int16_t*)samples; for (; n > 0; n--) *samples_16++ = lut[*src++]; break; } case AV_CODEC_ID_PCM_LXF: { int i; n /= channels; for (c = 0; c < channels; c++) { dst_int32_t = (int32_t *)frame->extended_data[c]; for (i = 0; i < n; i++) { // extract low 20 bits and expand to 32 bits *dst_int32_t++ = ((uint32_t)src[2]<<28) | (src[1] << 20) | (src[0] << 12) | ((src[2] & 0x0F) << 8) | src[1]; // extract high 20 bits and expand to 32 bits *dst_int32_t++ = ((uint32_t)src[4]<<24) | (src[3] << 16) | ((src[2] & 0xF0) << 8) | (src[4] << 4) | (src[3] >> 4); src += 5; } } break; } default: return -1; } if (avctx->codec_id == AV_CODEC_ID_PCM_F16LE || avctx->codec_id == AV_CODEC_ID_PCM_F24LE) { PCMScaleDecode *s2 = avctx->priv_data; s2->vector_fmul_scalar((float *)frame->extended_data[0], (const float *)frame->extended_data[0], s2->scale, FFALIGN(frame->nb_samples * avctx->ch_layout.nb_channels, 4)); } *got_frame_ptr = 1; return buf_size; } #define PCM_ENCODER_0(id_, sample_fmt_, name_, long_name_) #define PCM_ENCODER_1(id_, sample_fmt_, name_, long_name_) \ const FFCodec ff_ ## name_ ## _encoder = { \ .p.name = #name_, \ CODEC_LONG_NAME(long_name_), \ .p.type = AVMEDIA_TYPE_AUDIO, \ .p.id = id_, \ .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_VARIABLE_FRAME_SIZE | \ AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE, \ .init = pcm_encode_init, \ FF_CODEC_ENCODE_CB(pcm_encode_frame), \ CODEC_SAMPLEFMTS(sample_fmt_), \ } #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_PCM_ ## id ## _ENCODER, AV_CODEC_ID_PCM_ ## id, \ AV_SAMPLE_FMT_ ## sample_fmt, pcm_ ## name, long_name) #define PCM_DECODER_0(id, sample_fmt, name, long_name, Context, init_func) #define PCM_DECODER_1(id_, sample_fmt, name_, long_name, Context, init_func)\ const FFCodec ff_ ## name_ ## _decoder = { \ .p.name = #name_, \ CODEC_LONG_NAME(long_name), \ .p.type = AVMEDIA_TYPE_AUDIO, \ .p.id = id_, \ .priv_data_size = sizeof(Context), \ .init = init_func, \ FF_CODEC_DECODE_CB(pcm_decode_frame), \ .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_PARAM_CHANGE, \ } #define PCM_DECODER_2(cf, id, sample_fmt, name, long_name, Context, init_func) \ PCM_DECODER_ ## cf(id, sample_fmt, name, long_name, Context, init_func) #define PCM_DECODER_3(cf, id, sample_fmt, name, long_name, Context, init_func) \ PCM_DECODER_2(cf, id, sample_fmt, name, long_name, Context, init_func) #define PCM_DEC_EXT(id, sample_fmt, name, long_name, Context, init_func) \ PCM_DECODER_3(CONFIG_PCM_ ## id ## _DECODER, AV_CODEC_ID_PCM_ ## id, \ AV_SAMPLE_FMT_ ## sample_fmt, pcm_ ## name, long_name, \ Context, init_func) #define PCM_DECODER(id, sample_fmt, name, long_name) \ PCM_DEC_EXT(id, sample_fmt, name, long_name, PCMDecode, pcm_decode_init) #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_) #define PCM_CODEC_EXT(id, sample_fmt, name, long_name, DecContext, dec_init_func) \ PCM_DEC_EXT(id, sample_fmt, name, long_name, DecContext, dec_init_func); \ PCM_ENCODER(id, sample_fmt, name, long_name) /* Note: Do not forget to add new entries to the Makefile and * to the table in pcm_decode_init() as well. */ // AV_CODEC_ID_* pcm_* name // AV_SAMPLE_FMT_* long name DecodeContext decode init func PCM_CODEC_EXT(ALAW, S16, alaw, "PCM A-law / G.711 A-law", PCMLUTDecode, pcm_lut_decode_init); PCM_DEC_EXT (F16LE, FLT, f16le, "PCM 16.8 floating point little-endian", PCMScaleDecode, pcm_scale_decode_init); PCM_DEC_EXT (F24LE, FLT, f24le, "PCM 24.0 floating point little-endian", PCMScaleDecode, pcm_scale_decode_init); PCM_CODEC (F32BE, FLT, f32be, "PCM 32-bit floating point big-endian"); PCM_CODEC (F32LE, FLT, f32le, "PCM 32-bit floating point little-endian"); PCM_CODEC (F64BE, DBL, f64be, "PCM 64-bit floating point big-endian"); PCM_CODEC (F64LE, DBL, f64le, "PCM 64-bit floating point little-endian"); PCM_DECODER (LXF, S32P,lxf, "PCM signed 20-bit little-endian planar"); PCM_CODEC_EXT(MULAW, S16, mulaw, "PCM mu-law / G.711 mu-law", PCMLUTDecode, pcm_lut_decode_init); PCM_CODEC (S8, U8, s8, "PCM signed 8-bit"); PCM_CODEC (S8_PLANAR, U8P, s8_planar, "PCM signed 8-bit planar"); PCM_CODEC (S16BE, S16, s16be, "PCM signed 16-bit big-endian"); PCM_CODEC (S16BE_PLANAR, S16P,s16be_planar, "PCM signed 16-bit big-endian planar"); PCM_CODEC (S16LE, S16, s16le, "PCM signed 16-bit little-endian"); PCM_CODEC (S16LE_PLANAR, S16P,s16le_planar, "PCM signed 16-bit little-endian planar"); PCM_CODEC (S24BE, S32, s24be, "PCM signed 24-bit big-endian"); PCM_CODEC (S24DAUD, S16, s24daud, "PCM D-Cinema audio signed 24-bit"); PCM_CODEC (S24LE, S32, s24le, "PCM signed 24-bit little-endian"); PCM_CODEC (S24LE_PLANAR, S32P,s24le_planar, "PCM signed 24-bit little-endian planar"); PCM_CODEC (S32BE, S32, s32be, "PCM signed 32-bit big-endian"); PCM_CODEC (S32LE, S32, s32le, "PCM signed 32-bit little-endian"); PCM_CODEC (S32LE_PLANAR, S32P,s32le_planar, "PCM signed 32-bit little-endian planar"); PCM_CODEC (U8, U8, u8, "PCM unsigned 8-bit"); PCM_CODEC (U16BE, S16, u16be, "PCM unsigned 16-bit big-endian"); PCM_CODEC (U16LE, S16, u16le, "PCM unsigned 16-bit little-endian"); PCM_CODEC (U24BE, S32, u24be, "PCM unsigned 24-bit big-endian"); PCM_CODEC (U24LE, S32, u24le, "PCM unsigned 24-bit little-endian"); PCM_CODEC (U32BE, S32, u32be, "PCM unsigned 32-bit big-endian"); PCM_CODEC (U32LE, S32, u32le, "PCM unsigned 32-bit little-endian"); PCM_CODEC (S64BE, S64, s64be, "PCM signed 64-bit big-endian"); PCM_CODEC (S64LE, S64, s64le, "PCM signed 64-bit little-endian"); PCM_CODEC_EXT(VIDC, S16, vidc, "PCM Archimedes VIDC", PCMLUTDecode, pcm_lut_decode_init); PCM_DECODER (SGA, U8, sga, "PCM SGA");