diff options
Diffstat (limited to 'lib/ffmpeg/libavcodec/pcm.c')
| -rw-r--r-- | lib/ffmpeg/libavcodec/pcm.c | 135 |
1 files changed, 80 insertions, 55 deletions
diff --git a/lib/ffmpeg/libavcodec/pcm.c b/lib/ffmpeg/libavcodec/pcm.c index 4e86154831..0785a9d2ab 100644 --- a/lib/ffmpeg/libavcodec/pcm.c +++ b/lib/ffmpeg/libavcodec/pcm.c @@ -81,14 +81,14 @@ 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; - uint8_t *srcu8; - int16_t *samples_int16_t; - int32_t *samples_int32_t; - int64_t *samples_int64_t; - uint16_t *samples_uint16_t; - uint32_t *samples_uint32_t; + 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; @@ -228,7 +228,7 @@ static av_cold int pcm_decode_init(AVCodecContext * avctx) avctx->sample_fmt = avctx->codec->sample_fmts[0]; - if (avctx->sample_fmt == SAMPLE_FMT_S32) + if (avctx->sample_fmt == AV_SAMPLE_FMT_S32) avctx->bits_per_raw_sample = av_get_bits_per_sample(avctx->codec->id); return 0; @@ -259,7 +259,7 @@ static int pcm_decode_frame(AVCodecContext *avctx, 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, *src8, *src2[MAX_CHANNELS]; uint8_t *dstu8; @@ -288,6 +288,14 @@ static int pcm_decode_frame(AVCodecContext *avctx, if (CODEC_ID_PCM_DVD == avctx->codec_id) /* 2 samples are interleaved per block in PCM_DVD */ 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; @@ -436,6 +444,26 @@ static int pcm_decode_frame(AVCodecContext *avctx, } 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; } @@ -444,17 +472,15 @@ static int pcm_decode_frame(AVCodecContext *avctx, } #if CONFIG_ENCODERS -#define PCM_ENCODER(id,sample_fmt_,name,long_name_) \ -AVCodec name ## _encoder = { \ - #name, \ - AVMEDIA_TYPE_AUDIO, \ - id, \ - 0, \ - pcm_encode_init, \ - pcm_encode_frame, \ - pcm_encode_close, \ - NULL, \ - .sample_fmts = (const enum SampleFormat[]){sample_fmt_,SAMPLE_FMT_NONE}, \ +#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 @@ -462,17 +488,15 @@ AVCodec name ## _encoder = { \ #endif #if CONFIG_DECODERS -#define PCM_DECODER(id,sample_fmt_,name,long_name_) \ -AVCodec name ## _decoder = { \ - #name, \ - AVMEDIA_TYPE_AUDIO, \ - id, \ - sizeof(PCMDecode), \ - pcm_decode_init, \ - NULL, \ - NULL, \ - pcm_decode_frame, \ - .sample_fmts = (const enum SampleFormat[]){sample_fmt_,SAMPLE_FMT_NONE}, \ +#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 @@ -483,27 +507,28 @@ AVCodec name ## _decoder = { \ 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, "PCM A-law"); -PCM_CODEC (CODEC_ID_PCM_DVD, SAMPLE_FMT_S32, pcm_dvd, "PCM signed 20|24-bit big-endian"); -PCM_CODEC (CODEC_ID_PCM_F32BE, SAMPLE_FMT_FLT, pcm_f32be, "PCM 32-bit floating point big-endian"); -PCM_CODEC (CODEC_ID_PCM_F32LE, SAMPLE_FMT_FLT, pcm_f32le, "PCM 32-bit floating point little-endian"); -PCM_CODEC (CODEC_ID_PCM_F64BE, SAMPLE_FMT_DBL, pcm_f64be, "PCM 64-bit floating point big-endian"); -PCM_CODEC (CODEC_ID_PCM_F64LE, SAMPLE_FMT_DBL, pcm_f64le, "PCM 64-bit floating point little-endian"); -PCM_CODEC (CODEC_ID_PCM_MULAW, SAMPLE_FMT_S16, pcm_mulaw, "PCM mu-law"); -PCM_CODEC (CODEC_ID_PCM_S8, SAMPLE_FMT_U8, pcm_s8, "PCM signed 8-bit"); -PCM_CODEC (CODEC_ID_PCM_S16BE, SAMPLE_FMT_S16, pcm_s16be, "PCM signed 16-bit big-endian"); -PCM_CODEC (CODEC_ID_PCM_S16LE, SAMPLE_FMT_S16, pcm_s16le, "PCM signed 16-bit little-endian"); -PCM_DECODER(CODEC_ID_PCM_S16LE_PLANAR, SAMPLE_FMT_S16, pcm_s16le_planar, "PCM 16-bit little-endian planar"); -PCM_CODEC (CODEC_ID_PCM_S24BE, SAMPLE_FMT_S32, pcm_s24be, "PCM signed 24-bit big-endian"); -PCM_CODEC (CODEC_ID_PCM_S24DAUD, SAMPLE_FMT_S16, pcm_s24daud, "PCM D-Cinema audio signed 24-bit"); -PCM_CODEC (CODEC_ID_PCM_S24LE, SAMPLE_FMT_S32, pcm_s24le, "PCM signed 24-bit little-endian"); -PCM_CODEC (CODEC_ID_PCM_S32BE, SAMPLE_FMT_S32, pcm_s32be, "PCM signed 32-bit big-endian"); -PCM_CODEC (CODEC_ID_PCM_S32LE, SAMPLE_FMT_S32, pcm_s32le, "PCM signed 32-bit little-endian"); -PCM_CODEC (CODEC_ID_PCM_U8, SAMPLE_FMT_U8, pcm_u8, "PCM unsigned 8-bit"); -PCM_CODEC (CODEC_ID_PCM_U16BE, SAMPLE_FMT_S16, pcm_u16be, "PCM unsigned 16-bit big-endian"); -PCM_CODEC (CODEC_ID_PCM_U16LE, SAMPLE_FMT_S16, pcm_u16le, "PCM unsigned 16-bit little-endian"); -PCM_CODEC (CODEC_ID_PCM_U24BE, SAMPLE_FMT_S32, pcm_u24be, "PCM unsigned 24-bit big-endian"); -PCM_CODEC (CODEC_ID_PCM_U24LE, SAMPLE_FMT_S32, pcm_u24le, "PCM unsigned 24-bit little-endian"); -PCM_CODEC (CODEC_ID_PCM_U32BE, SAMPLE_FMT_S32, pcm_u32be, "PCM unsigned 32-bit big-endian"); -PCM_CODEC (CODEC_ID_PCM_U32LE, SAMPLE_FMT_S32, pcm_u32le, "PCM unsigned 32-bit little-endian"); -PCM_CODEC (CODEC_ID_PCM_ZORK, SAMPLE_FMT_S16, pcm_zork, "PCM Zork"); +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"); |