[FFmpeg-cvslog] adpcm: simplify reading of IMA DK4 frame header.

[Justin Ruggles]

ffmpeg | branch: master | Justin Ruggles <justin.ruggles at gmail.com> | Sat Sep 10 13:52:33 2011 -0400| [a57ea1a87e6b65194718968fe0b778e843d4d4b0] | committer: Justin Ruggles

adpcm: simplify reading of IMA DK4 frame header.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a57ea1a87e6b65194718968fe0b778e843d4d4b0
---

 libavcodec/adpcm.c |   13 +++++--------
 1 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c
index d46ec4a..be10f88 100644
--- a/libavcodec/adpcm.c
+++ b/libavcodec/adpcm.c
@@ -528,15 +528,12 @@ static int adpcm_decode_frame(AVCodecContext *avctx,
         if (avctx->block_align != 0 && buf_size > avctx->block_align)
             buf_size = avctx->block_align;
 
-        c->status[0].predictor  = (int16_t)bytestream_get_le16(&src);
-        c->status[0].step_index = *src++;
-        src++;
-        *samples++ = c->status[0].predictor;
-        if (st) {
-            c->status[1].predictor  = (int16_t)bytestream_get_le16(&src);
-            c->status[1].step_index = *src++;
+        for (channel = 0; channel < avctx->channels; channel++) {
+            cs = &c->status[channel];
+            cs->predictor  = (int16_t)bytestream_get_le16(&src);
+            cs->step_index = *src++;
             src++;
-            *samples++ = c->status[1].predictor;
+            *samples++ = cs->predictor;
         }
         while (src < buf + buf_size) {
             uint8_t v = *src++;