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