diff options
Diffstat (limited to 'ffmpeg/libavcodec/pcm.c')
| -rw-r--r-- | ffmpeg/libavcodec/pcm.c | 60 |
1 files changed, 3 insertions, 57 deletions
diff --git a/ffmpeg/libavcodec/pcm.c b/ffmpeg/libavcodec/pcm.c index 83482dd..0a4ad0b 100644 --- a/ffmpeg/libavcodec/pcm.c +++ b/ffmpeg/libavcodec/pcm.c @@ -48,16 +48,6 @@ static av_cold int pcm_encode_init(AVCodecContext *avctx) 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 * avctx->sample_rate * 8; - avctx->coded_frame = avcodec_alloc_frame(); - if (!avctx->coded_frame) - return AVERROR(ENOMEM); - - return 0; -} - -static av_cold int pcm_encode_close(AVCodecContext *avctx) -{ - av_freep(&avctx->coded_frame); return 0; } @@ -308,18 +298,7 @@ static int pcm_decode_frame(AVCodecContext *avctx, void *data, /* av_get_bits_per_sample returns 0 for AV_CODEC_ID_PCM_DVD */ samples_per_block = 1; - if (AV_CODEC_ID_PCM_DVD == avctx->codec_id) { - if (avctx->bits_per_coded_sample != 20 && - avctx->bits_per_coded_sample != 24) { - av_log(avctx, AV_LOG_ERROR, - "PCM DVD unsupported sample depth %i\n", - avctx->bits_per_coded_sample); - return AVERROR(EINVAL); - } - /* 2 samples are interleaved per block in PCM_DVD */ - samples_per_block = 2; - sample_size = avctx->bits_per_coded_sample * 2 / 8; - } else if (avctx->codec_id == AV_CODEC_ID_PCM_LXF) { + 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; @@ -480,37 +459,6 @@ static int pcm_decode_frame(AVCodecContext *avctx, void *data, samples += 2; } break; - case AV_CODEC_ID_PCM_DVD: - { - const uint8_t *src8; - dst_int32_t = (int32_t *)frame->data[0]; - 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; - } - break; - } case AV_CODEC_ID_PCM_LXF: { int i; @@ -548,15 +496,14 @@ static int pcm_decode_frame(AVCodecContext *avctx, void *data, #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, \ - .close = pcm_encode_close, \ .capabilities = CODEC_CAP_VARIABLE_FRAME_SIZE, \ .sample_fmts = (const enum AVSampleFormat[]){ sample_fmt_, \ AV_SAMPLE_FMT_NONE }, \ - .long_name = NULL_IF_CONFIG_SMALL(long_name_), \ } #define PCM_ENCODER_2(cf, id, sample_fmt, name, long_name) \ @@ -570,6 +517,7 @@ AVCodec ff_ ## name_ ## _encoder = { \ #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), \ @@ -578,7 +526,6 @@ AVCodec ff_ ## name_ ## _decoder = { \ .capabilities = CODEC_CAP_DR1, \ .sample_fmts = (const enum AVSampleFormat[]){ sample_fmt_, \ AV_SAMPLE_FMT_NONE }, \ - .long_name = NULL_IF_CONFIG_SMALL(long_name_), \ } #define PCM_DECODER_2(cf, id, sample_fmt, name, long_name) \ @@ -594,7 +541,6 @@ AVCodec ff_ ## name_ ## _decoder = { \ /* 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_DVD, AV_SAMPLE_FMT_S32, pcm_dvd, "PCM signed 20|24-bit big-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"); |