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Document how the ref_buf is used.

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Originally committed as revision 24551 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2010-07-27 17:11:13 +00:00
parent d72c981c30
commit 6f2c05f307
1 changed files with 4 additions and 0 deletions
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4
libavcodec/gsmdec.c
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@ -34,6 +34,10 @@
#define GSM_FRAME_SIZE 160 #define GSM_FRAME_SIZE 160
typedef struct { typedef struct {
// Contains first 120 elements from the previous frame
// (used by long_term_synth according to the "lag"),
// then in the following 160 elements the current
// frame is constructed.
int16_t ref_buf[280]; int16_t ref_buf[280];
int v[9]; int v[9];
int lar[2][8]; int lar[2][8];