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authorPaul B Mahol <onemda@gmail.com>2012-11-19 09:19:30 +0000
committerPaul B Mahol <onemda@gmail.com>2012-11-20 17:29:00 +0000
commitdd59f0125df0339dafb5ac63be9b3c416babb0b2 (patch)
tree4821c4c8300ef47a1d69331b45087e5196314a10 /libavcodec/pcm.c
parentf17f759544bcde5bd49ddc681bccde313ff3e030 (diff)
add some planar PCM encoders
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Diffstat (limited to 'libavcodec/pcm.c')
-rw-r--r--libavcodec/pcm.c50
1 files changed, 44 insertions, 6 deletions
diff --git a/libavcodec/pcm.c b/libavcodec/pcm.c
index 489e79e302..5ed603ee3f 100644
--- a/libavcodec/pcm.c
+++ b/libavcodec/pcm.c
@@ -79,10 +79,21 @@ static av_cold int pcm_encode_close(AVCodecContext *avctx)
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, sample_size, v, ret;
+ int n, c, sample_size, v, ret;
const short *samples;
unsigned char *dst;
const uint8_t *samples_uint8_t;
@@ -110,6 +121,9 @@ static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
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;
@@ -137,6 +151,9 @@ static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
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_F64LE:
ENCODE(int64_t, le64, samples, dst, n, 0, 0)
@@ -145,9 +162,15 @@ static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
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_S32BE:
@@ -163,6 +186,9 @@ static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
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_S32LE:
@@ -171,6 +197,18 @@ static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
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++;
@@ -565,18 +603,18 @@ PCM_CODEC (PCM_F64LE, AV_SAMPLE_FMT_DBL, pcm_f64le, "PCM 64-bit f
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_DECODER(PCM_S8_PLANAR, AV_SAMPLE_FMT_U8P, pcm_s8_planar, "PCM signed 8-bit planar");
+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_DECODER(PCM_S16BE_PLANAR, AV_SAMPLE_FMT_S16P,pcm_s16be_planar, "PCM signed 16-bit big-endian planar");
+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_DECODER(PCM_S16LE_PLANAR, AV_SAMPLE_FMT_S16P,pcm_s16le_planar, "PCM signed 16-bit little-endian planar");
+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_DECODER(PCM_S24LE_PLANAR, AV_SAMPLE_FMT_S32P,pcm_s24le_planar, "PCM signed 24-bit little-endian planar");
+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_DECODER(PCM_S32LE_PLANAR, AV_SAMPLE_FMT_S32P,pcm_s32le_planar, "PCM signed 32-bit little-endian planar");
+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");