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| author | Vitor Sessak <vitor1001@gmail.com> | 2008-09-17 19:26:37 +0000 |
|---|---|---|
| committer | Vitor Sessak <vitor1001@gmail.com> | 2008-09-17 19:26:37 +0000 |
| commit | faf6d6964b72e4710426efb218f13b8a87f34eae (patch) | |
| tree | 2fbbee3417e5b2d76115d65a14a06fd6a19d91c1 /libavcodec/ra288.c | |
| parent | 00cc0ce91e26a207057d8ba986c663823f41a4fc (diff) | |
| download | ffmpeg-faf6d6964b72e4710426efb218f13b8a87f34eae.tar.gz | |
Use SAMPLE_FMT_FLT instead of doing the float->int conversion in the
decoder. This changes the output very little and any difference should
be inaudible.
Originally committed as revision 15343 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/ra288.c')
| -rw-r--r-- | libavcodec/ra288.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/libavcodec/ra288.c b/libavcodec/ra288.c index 8c4a9c32aa..1f177b5f5d 100644 --- a/libavcodec/ra288.c +++ b/libavcodec/ra288.c @@ -48,7 +48,7 @@ typedef struct { static av_cold int ra288_decode_init(AVCodecContext *avctx) { - avctx->sample_fmt = SAMPLE_FMT_S16; + avctx->sample_fmt = SAMPLE_FMT_FLT; return 0; } @@ -189,7 +189,7 @@ static int ra288_decode_frame(AVCodecContext * avctx, void *data, int *data_size, const uint8_t * buf, int buf_size) { - int16_t *out = data; + float *out = data; int i, j; RA288Context *ractx = avctx->priv_data; GetBitContext gb; @@ -201,7 +201,7 @@ static int ra288_decode_frame(AVCodecContext * avctx, void *data, return 0; } - if (*data_size < 32*5*2) + if (*data_size < 32*5*4) return -1; init_get_bits(&gb, buf, avctx->block_align * 8); @@ -213,7 +213,7 @@ static int ra288_decode_frame(AVCodecContext * avctx, void *data, decode(ractx, gain, cb_coef); for (j=0; j < 5; j++) - *(out++) = 8 * ractx->sp_hist[70 + 36 + j]; + *(out++) = (1/4096.) * ractx->sp_hist[70 + 36 + j]; if ((i & 7) == 3) backward_filter(ractx); |