[FFmpeg-cvslog] r9736 - trunk/libavcodec/alac.c
vitor
subversion
Wed Jul 18 16:29:14 CEST 2007
Author: vitor
Date: Wed Jul 18 16:29:14 2007
New Revision: 9736
Log:
More cosmetics
Modified:
trunk/libavcodec/alac.c
Modified: trunk/libavcodec/alac.c
==============================================================================
--- trunk/libavcodec/alac.c (original)
+++ trunk/libavcodec/alac.c Wed Jul 18 16:29:14 2007
@@ -170,7 +170,7 @@ static void bastardized_rice_decompress(
if (x > 8) { /* RICE THRESHOLD */
- /* use alternative encoding */
+ /* use alternative encoding */
int32_t value;
value = get_bits(&alac->gb, readsamplesize);
@@ -181,7 +181,7 @@ static void bastardized_rice_decompress(
x = value;
} else {
- /* standard rice encoding */
+ /* standard rice encoding */
int extrabits;
int k; /* size of extra bits */
@@ -202,9 +202,8 @@ static void bastardized_rice_decompress(
if (extrabits > 1) {
x += extrabits - 1;
get_bits(&alac->gb, k);
- } else {
+ } else
get_bits(&alac->gb, k - 1);
- }
}
}
@@ -217,8 +216,8 @@ static void bastardized_rice_decompress(
sign_modifier = 0;
/* now update the history */
- history += (x_modified * rice_historymult)
- - ((history * rice_historymult) >> 9);
+ history += x_modified * rice_historymult
+ - ((history * rice_historymult) >> 9);
if (x_modified > 0xffff)
history = 0xffff;
@@ -260,7 +259,6 @@ static void bastardized_rice_decompress(
if (block_size > 0) {
memset(&output_buffer[output_count+1], 0, block_size * 4);
output_count += block_size;
-
}
if (block_size > 0xffff)
@@ -292,7 +290,9 @@ static void predictor_decompress_fir_ada
*buffer_out = *error_buffer;
if (!predictor_coef_num) {
- if (output_size <= 1) return;
+ if (output_size <= 1)
+ return;
+
memcpy(buffer_out+1, error_buffer+1, (output_size-1) * 4);
return;
}
@@ -301,21 +301,22 @@ static void predictor_decompress_fir_ada
/* second-best case scenario for fir decompression,
* error describes a small difference from the previous sample only
*/
- if (output_size <= 1) return;
+ if (output_size <= 1)
+ return;
for (i = 0; i < output_size - 1; i++) {
int32_t prev_value;
int32_t error_value;
prev_value = buffer_out[i];
error_value = error_buffer[i+1];
- buffer_out[i+1] = SIGN_EXTENDED32((prev_value + error_value), readsamplesize);
+ buffer_out[i+1] =
+ SIGN_EXTENDED32((prev_value + error_value), readsamplesize);
}
return;
}
/* read warm-up samples */
- if (predictor_coef_num > 0) {
- int i;
+ if (predictor_coef_num > 0)
for (i = 0; i < predictor_coef_num; i++) {
int32_t val;
@@ -325,7 +326,6 @@ static void predictor_decompress_fir_ada
buffer_out[i+1] = val;
}
- }
#if 0
/* 4 and 8 are very common cases (the only ones i've seen). these
@@ -345,9 +345,7 @@ static void predictor_decompress_fir_ada
/* general case */
if (predictor_coef_num > 0) {
- for (i = predictor_coef_num + 1;
- i < output_size;
- i++) {
+ for (i = predictor_coef_num + 1; i < output_size; i++) {
int j;
int sum = 0;
int outval;
@@ -405,13 +403,14 @@ static void predictor_decompress_fir_ada
}
static void deinterlace_16(int32_t *buffer_a, int32_t *buffer_b,
- int16_t *buffer_out,
- int numchannels, int numsamples,
- uint8_t interlacing_shift,
- uint8_t interlacing_leftweight)
+ int16_t *buffer_out,
+ int numchannels, int numsamples,
+ uint8_t interlacing_shift,
+ uint8_t interlacing_leftweight)
{
int i;
- if (numsamples <= 0) return;
+ if (numsamples <= 0)
+ return;
/* weighted interlacing */
if (interlacing_leftweight) {
@@ -533,9 +532,8 @@ static int alac_decode_frame(AVCodecCont
predictor_coef_num[chan] = get_bits(&alac->gb, 5);
/* read the predictor table */
- for (i = 0; i < predictor_coef_num[chan]; i++) {
+ for (i = 0; i < predictor_coef_num[chan]; i++)
predictor_coef_table[chan][i] = (int16_t)get_bits(&alac->gb, 16);
- }
}
if (wasted_bytes) {
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