| /* |
| * 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 "libavutil/attributes.h" |
| #include "libavutil/float_dsp.h" |
| #include "libavutil/thread.h" |
| #include "avcodec.h" |
| #include "bytestream.h" |
| #include "internal.h" |
| #include "mathops.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->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->channels; \ |
| for (c = 0; c < avctx->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->channels; |
| samples = (const short *)frame->data[0]; |
| |
| if ((ret = ff_alloc_packet2(avctx, avpkt, n * sample_size, n * sample_size)) < 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->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; |
| 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 { |
| short table[256]; |
| void (*vector_fmul_scalar)(float *dst, const float *src, float mul, |
| int len); |
| float scale; |
| } PCMDecode; |
| |
| static av_cold int pcm_decode_init(AVCodecContext *avctx) |
| { |
| PCMDecode *s = avctx->priv_data; |
| AVFloatDSPContext *fdsp; |
| int i; |
| |
| if (avctx->channels <= 0) { |
| av_log(avctx, AV_LOG_ERROR, "PCM channels out of bounds\n"); |
| return AVERROR(EINVAL); |
| } |
| |
| switch (avctx->codec_id) { |
| case AV_CODEC_ID_PCM_ALAW: |
| for (i = 0; i < 256; i++) |
| s->table[i] = alaw2linear(i); |
| break; |
| case AV_CODEC_ID_PCM_MULAW: |
| for (i = 0; i < 256; i++) |
| s->table[i] = ulaw2linear(i); |
| break; |
| case AV_CODEC_ID_PCM_VIDC: |
| for (i = 0; i < 256; i++) |
| s->table[i] = vidc2linear(i); |
| break; |
| case AV_CODEC_ID_PCM_F16LE: |
| case AV_CODEC_ID_PCM_F24LE: |
| 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); |
| break; |
| default: |
| break; |
| } |
| |
| 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; |
| } |
| |
| /** |
| * 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 /= avctx->channels; \ |
| for (c = 0; c < avctx->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, void *data, |
| int *got_frame_ptr, AVPacket *avpkt) |
| { |
| const uint8_t *src = avpkt->data; |
| int buf_size = avpkt->size; |
| PCMDecode *s = avctx->priv_data; |
| AVFrame *frame = data; |
| int sample_size, c, n, ret, samples_per_block; |
| uint8_t *samples; |
| int32_t *dst_int32_t; |
| |
| sample_size = av_get_bits_per_sample(avctx->codec_id) / 8; |
| |
| /* av_get_bits_per_sample returns 0 for AV_CODEC_ID_PCM_DVD */ |
| 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; |
| sample_size = 5; |
| } |
| |
| if (sample_size == 0) { |
| av_log(avctx, AV_LOG_ERROR, "Invalid sample_size\n"); |
| return AVERROR(EINVAL); |
| } |
| |
| if (avctx->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 = avctx->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 / avctx->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->channels; |
| for (c = 0; c < avctx->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->channels; |
| for (c = 0; c < avctx->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: |
| for (; n > 0; n--) { |
| AV_WN16A(samples, s->table[*src++]); |
| samples += 2; |
| } |
| break; |
| case AV_CODEC_ID_PCM_LXF: |
| { |
| int i; |
| n /= avctx->channels; |
| for (c = 0; c < avctx->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) { |
| s->vector_fmul_scalar((float *)frame->extended_data[0], |
| (const float *)frame->extended_data[0], |
| s->scale, FFALIGN(frame->nb_samples * avctx->channels, 4)); |
| emms_c(); |
| } |
| |
| *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_) \ |
| AVCodec ff_ ## name_ ## _encoder = { \ |
| .name = #name_, \ |
| .long_name = NULL_IF_CONFIG_SMALL(long_name_), \ |
| .type = AVMEDIA_TYPE_AUDIO, \ |
| .id = AV_CODEC_ID_ ## id_, \ |
| .init = pcm_encode_init, \ |
| .encode2 = pcm_encode_frame, \ |
| .capabilities = AV_CODEC_CAP_VARIABLE_FRAME_SIZE, \ |
| .sample_fmts = (const enum AVSampleFormat[]){ sample_fmt_, \ |
| AV_SAMPLE_FMT_NONE }, \ |
| .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE, \ |
| } |
| |
| #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_) \ |
| AVCodec ff_ ## name_ ## _decoder = { \ |
| .name = #name_, \ |
| .long_name = NULL_IF_CONFIG_SMALL(long_name_), \ |
| .type = AVMEDIA_TYPE_AUDIO, \ |
| .id = AV_CODEC_ID_ ## id_, \ |
| .priv_data_size = sizeof(PCMDecode), \ |
| .init = pcm_decode_init, \ |
| .decode = pcm_decode_frame, \ |
| .capabilities = AV_CODEC_CAP_DR1, \ |
| .sample_fmts = (const enum AVSampleFormat[]){ sample_fmt_, \ |
| AV_SAMPLE_FMT_NONE }, \ |
| .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE, \ |
| } |
| |
| #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) |
| |
| #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_) |
| |
| /* Note: Do not forget to add new entries to the Makefile as well. */ |
| PCM_CODEC (PCM_ALAW, AV_SAMPLE_FMT_S16, pcm_alaw, "PCM A-law / G.711 A-law"); |
| PCM_DECODER(PCM_F16LE, AV_SAMPLE_FMT_FLT, pcm_f16le, "PCM 16.8 floating point little-endian"); |
| PCM_DECODER(PCM_F24LE, AV_SAMPLE_FMT_FLT, pcm_f24le, "PCM 24.0 floating point little-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"); |
| 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"); |
| PCM_CODEC (PCM_S8, AV_SAMPLE_FMT_U8, pcm_s8, "PCM signed 8-bit"); |
| PCM_CODEC (PCM_S8_PLANAR, AV_SAMPLE_FMT_U8P, pcm_s8_planar, "PCM signed 8-bit planar"); |
| PCM_CODEC (PCM_S16BE, AV_SAMPLE_FMT_S16, pcm_s16be, "PCM signed 16-bit big-endian"); |
| PCM_CODEC (PCM_S16BE_PLANAR, AV_SAMPLE_FMT_S16P,pcm_s16be_planar, "PCM signed 16-bit big-endian planar"); |
| PCM_CODEC (PCM_S16LE, AV_SAMPLE_FMT_S16, pcm_s16le, "PCM signed 16-bit little-endian"); |
| PCM_CODEC (PCM_S16LE_PLANAR, AV_SAMPLE_FMT_S16P,pcm_s16le_planar, "PCM signed 16-bit little-endian planar"); |
| 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"); |
| PCM_CODEC (PCM_S24LE_PLANAR, AV_SAMPLE_FMT_S32P,pcm_s24le_planar, "PCM signed 24-bit little-endian planar"); |
| 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"); |
| PCM_CODEC (PCM_S32LE_PLANAR, AV_SAMPLE_FMT_S32P,pcm_s32le_planar, "PCM signed 32-bit little-endian planar"); |
| 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_CODEC (PCM_S64BE, AV_SAMPLE_FMT_S64, pcm_s64be, "PCM signed 64-bit big-endian"); |
| PCM_CODEC (PCM_S64LE, AV_SAMPLE_FMT_S64, pcm_s64le, "PCM signed 64-bit little-endian"); |
| PCM_CODEC (PCM_VIDC, AV_SAMPLE_FMT_S16, pcm_vidc, "PCM Archimedes VIDC"); |
| PCM_DECODER(PCM_SGA, AV_SAMPLE_FMT_U8, pcm_sga, "PCM SGA"); |
