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Small cosmetics and better variable names.

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Originally committed as revision 4944 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Benjamin Larsson 2006-02-06 11:03:37 +00:00
parent 12fe88b460
commit 7f129a33b1
1 changed files with 10 additions and 9 deletions
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19
libavcodec/cook.c
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@ -90,8 +90,8 @@ typedef struct {
int samples_per_channel;
int samples_per_frame;
int subbands;
int numvector_bits;
int numvector_size; //1 << numvector_bits;
int log2_numvector_size;
int numvector_size; //1 << log2_numvector_size;
int js_subband_start;
int total_subbands;
int num_vectors;
@ -698,7 +698,7 @@ static void mono_decode(COOKContext *q, float* mlt_buffer) {
memset(&category_index, 0, 128*sizeof(int));
decode_envelope(q, quant_index_table);
q->num_vectors = get_bits(&q->gb,q->numvector_bits);
q->num_vectors = get_bits(&q->gb,q->log2_numvector_size);
dequant_envelope(q, quant_index_table, quant_value_table);
categorize(q, quant_index_table, category, category_index);
expand_category(q, category, category_index);
@ -954,7 +954,6 @@ static void joint_decode(COOKContext *q, float* mlt_buffer1,
* @param inbuffer pointer to the inbuffer
* @param sub_packet_size subpacket size
* @param outbuffer pointer to the outbuffer
* @param pos the subpacket number in the frame
*/
@ -1119,6 +1118,7 @@ static int cook_decode_frame(AVCodecContext *avctx,
return avctx->block_align;
}
#ifdef COOKDEBUG
static void dump_cook_context(COOKContext *q, COOKextradata *e)
{
@ -1140,11 +1140,12 @@ static void dump_cook_context(COOKContext *q, COOKextradata *e)
PRINT("random_state",q->random_state);
PRINT("mlt_size",q->mlt_size);
PRINT("js_subband_start",q->js_subband_start);
PRINT("numvector_bits",q->numvector_bits);
PRINT("log2_numvector_size",q->log2_numvector_size);
PRINT("numvector_size",q->numvector_size);
PRINT("total_subbands",q->total_subbands);
}
#endif
/**
* Cook initialization
*
@ -1191,7 +1192,7 @@ static int cook_decode_init(AVCodecContext *avctx)
/* Initialize default data states. */
q->js_subband_start = 0;
q->numvector_bits = 5;
q->log2_numvector_size = 5;
q->total_subbands = q->subbands;
/* Initialize version-dependent variables */
@ -1224,10 +1225,10 @@ static int cook_decode_init(AVCodecContext *avctx)
q->js_vlc_bits = e->js_vlc_bits;
}
if (q->samples_per_channel > 256) {
q->numvector_bits++; // q->numvector_bits = 6
q->log2_numvector_size = 6
}
if (q->samples_per_channel > 512) {
q->numvector_bits++; // q->numvector_bits = 7
q->log2_numvector_size = 7
}
break;
case MC_COOK:
@ -1242,7 +1243,7 @@ static int cook_decode_init(AVCodecContext *avctx)
/* Initialize variable relations */
q->mlt_size = q->samples_per_channel;
q->numvector_size = (1 << q->numvector_bits);
q->numvector_size = (1 << q->log2_numvector_size);
/* Generate tables */
init_rootpow2table(q);