diff options
Diffstat (limited to 'libavcodec/pcm.c')
| -rw-r--r-- | libavcodec/pcm.c | 43 |
1 files changed, 23 insertions, 20 deletions
diff --git a/libavcodec/pcm.c b/libavcodec/pcm.c index 669a7e2c6b..dd626dc58b 100644 --- a/libavcodec/pcm.c +++ b/libavcodec/pcm.c @@ -2,20 +2,20 @@ * PCM codecs * Copyright (c) 2001 Fabrice Bellard * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * 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. * - * Libav is distributed in the hope that it will be useful, + * 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 Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -97,10 +97,8 @@ static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt, n = frame->nb_samples * avctx->channels; samples = (const short *)frame->data[0]; - if ((ret = ff_alloc_packet(avpkt, n * sample_size))) { - av_log(avctx, AV_LOG_ERROR, "Error getting output packet\n"); + if ((ret = ff_alloc_packet2(avctx, avpkt, n * sample_size))) return ret; - } dst = avpkt->data; switch (avctx->codec->id) { @@ -272,7 +270,9 @@ static int pcm_decode_frame(AVCodecContext *avctx, void *data, 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\n"); + 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 */ @@ -293,8 +293,10 @@ static int pcm_decode_frame(AVCodecContext *avctx, void *data, if (n && buf_size % n) { if (buf_size < n) { - av_log(avctx, AV_LOG_ERROR, "invalid PCM packet\n"); - return -1; + 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; } @@ -339,15 +341,15 @@ static int pcm_decode_frame(AVCodecContext *avctx, void *data, break; case AV_CODEC_ID_PCM_S16LE_PLANAR: { - const uint8_t *src2[MAX_CHANNELS]; + int i; n /= avctx->channels; - for (c = 0; c < avctx->channels; c++) - src2[c] = &src[c * n * 2]; - for (; n > 0; n--) - for (c = 0; c < avctx->channels; c++) { - AV_WN16A(samples, bytestream_get_le16(&src2[c])); + for (c = 0; c < avctx->channels; c++) { + samples = s->frame.data[c]; + for (i = n; i > 0; i--) { + AV_WN16A(samples, bytestream_get_le16(&src)); samples += 2; } + } break; } case AV_CODEC_ID_PCM_U16LE: @@ -515,18 +517,18 @@ AVCodec ff_ ## name_ ## _decoder = { \ PCM_DECODER(id, sample_fmt_, name, long_name_) /* Note: Do not forget to add new entries to the Makefile as well. */ -PCM_CODEC (AV_CODEC_ID_PCM_ALAW, AV_SAMPLE_FMT_S16, pcm_alaw, "PCM A-law"); +PCM_CODEC (AV_CODEC_ID_PCM_ALAW, AV_SAMPLE_FMT_S16, pcm_alaw, "PCM A-law / G.711 A-law"); PCM_DECODER(AV_CODEC_ID_PCM_DVD, AV_SAMPLE_FMT_S32, pcm_dvd, "PCM signed 20|24-bit big-endian"); PCM_CODEC (AV_CODEC_ID_PCM_F32BE, AV_SAMPLE_FMT_FLT, pcm_f32be, "PCM 32-bit floating point big-endian"); PCM_CODEC (AV_CODEC_ID_PCM_F32LE, AV_SAMPLE_FMT_FLT, pcm_f32le, "PCM 32-bit floating point little-endian"); PCM_CODEC (AV_CODEC_ID_PCM_F64BE, AV_SAMPLE_FMT_DBL, pcm_f64be, "PCM 64-bit floating point big-endian"); PCM_CODEC (AV_CODEC_ID_PCM_F64LE, AV_SAMPLE_FMT_DBL, pcm_f64le, "PCM 64-bit floating point little-endian"); -PCM_DECODER(AV_CODEC_ID_PCM_LXF, AV_SAMPLE_FMT_S32P, pcm_lxf, "PCM signed 20-bit little-endian planar"); -PCM_CODEC (AV_CODEC_ID_PCM_MULAW, AV_SAMPLE_FMT_S16, pcm_mulaw, "PCM mu-law"); +PCM_DECODER(AV_CODEC_ID_PCM_LXF, AV_SAMPLE_FMT_S32P,pcm_lxf, "PCM signed 20-bit little-endian planar"); +PCM_CODEC (AV_CODEC_ID_PCM_MULAW, AV_SAMPLE_FMT_S16, pcm_mulaw, "PCM mu-law / G.711 mu-law"); PCM_CODEC (AV_CODEC_ID_PCM_S8, AV_SAMPLE_FMT_U8, pcm_s8, "PCM signed 8-bit"); PCM_CODEC (AV_CODEC_ID_PCM_S16BE, AV_SAMPLE_FMT_S16, pcm_s16be, "PCM signed 16-bit big-endian"); PCM_CODEC (AV_CODEC_ID_PCM_S16LE, AV_SAMPLE_FMT_S16, pcm_s16le, "PCM signed 16-bit little-endian"); -PCM_DECODER(AV_CODEC_ID_PCM_S16LE_PLANAR, AV_SAMPLE_FMT_S16, pcm_s16le_planar, "PCM 16-bit little-endian planar"); +PCM_DECODER(AV_CODEC_ID_PCM_S16LE_PLANAR, AV_SAMPLE_FMT_S16P,pcm_s16le_planar, "PCM 16-bit little-endian planar"); PCM_CODEC (AV_CODEC_ID_PCM_S24BE, AV_SAMPLE_FMT_S32, pcm_s24be, "PCM signed 24-bit big-endian"); PCM_CODEC (AV_CODEC_ID_PCM_S24DAUD, AV_SAMPLE_FMT_S16, pcm_s24daud, "PCM D-Cinema audio signed 24-bit"); PCM_CODEC (AV_CODEC_ID_PCM_S24LE, AV_SAMPLE_FMT_S32, pcm_s24le, "PCM signed 24-bit little-endian"); @@ -540,3 +542,4 @@ PCM_CODEC (AV_CODEC_ID_PCM_U24LE, AV_SAMPLE_FMT_S32, pcm_u24le, " PCM_CODEC (AV_CODEC_ID_PCM_U32BE, AV_SAMPLE_FMT_S32, pcm_u32be, "PCM unsigned 32-bit big-endian"); PCM_CODEC (AV_CODEC_ID_PCM_U32LE, AV_SAMPLE_FMT_S32, pcm_u32le, "PCM unsigned 32-bit little-endian"); PCM_DECODER(AV_CODEC_ID_PCM_ZORK, AV_SAMPLE_FMT_U8, pcm_zork, "PCM Zork"); + |