[FFmpeg-cvslog] nellymoser: Convert to the new bitstream reader
Alexandra Hájková
git at videolan.org
Mon Apr 3 21:38:41 EEST 2017
ffmpeg | branch: master | Alexandra Hájková <alexandra at khirnov.net> | Tue Apr 12 18:24:27 2016 +0200| [6f94a64bd6ae14d592835369a954e1378b79d786] | committer: Anton Khirnov
nellymoser: Convert to the new bitstream reader
Signed-off-by: Anton Khirnov <anton at khirnov.net>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6f94a64bd6ae14d592835369a954e1378b79d786
---
libavcodec/nellymoserdec.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/libavcodec/nellymoserdec.c b/libavcodec/nellymoserdec.c
index 355935f..390872c 100644
--- a/libavcodec/nellymoserdec.c
+++ b/libavcodec/nellymoserdec.c
@@ -38,8 +38,8 @@
#define BITSTREAM_READER_LE
#include "avcodec.h"
+#include "bitstream.h"
#include "fft.h"
-#include "get_bits.h"
#include "internal.h"
#include "nellymoser.h"
#include "sinewin.h"
@@ -48,7 +48,7 @@
typedef struct NellyMoserDecodeContext {
AVCodecContext* avctx;
AVLFG random_state;
- GetBitContext gb;
+ BitstreamContext bc;
float scale_bias;
AVFloatDSPContext fdsp;
FFTContext imdct_ctx;
@@ -67,14 +67,14 @@ static void nelly_decode_block(NellyMoserDecodeContext *s,
int bits[NELLY_BUF_LEN];
unsigned char v;
- init_get_bits(&s->gb, block, NELLY_BLOCK_LEN * 8);
+ bitstream_init(&s->bc, block, NELLY_BLOCK_LEN * 8);
bptr = buf;
pptr = pows;
- val = ff_nelly_init_table[get_bits(&s->gb, 6)];
+ val = ff_nelly_init_table[bitstream_read(&s->bc, 6)];
for (i=0 ; i<NELLY_BANDS ; i++) {
if (i > 0)
- val += ff_nelly_delta_table[get_bits(&s->gb, 5)];
+ val += ff_nelly_delta_table[bitstream_read(&s->bc, 5)];
pval = -pow(2, val/2048) * s->scale_bias;
for (j = 0; j < ff_nelly_band_sizes_table[i]; j++) {
*bptr++ = val;
@@ -88,8 +88,8 @@ static void nelly_decode_block(NellyMoserDecodeContext *s,
for (i = 0; i < 2; i++) {
aptr = audio + i * NELLY_BUF_LEN;
- init_get_bits(&s->gb, block, NELLY_BLOCK_LEN * 8);
- skip_bits_long(&s->gb, NELLY_HEADER_BITS + i*NELLY_DETAIL_BITS);
+ bitstream_init(&s->bc, block, NELLY_BLOCK_LEN * 8);
+ bitstream_skip(&s->bc, NELLY_HEADER_BITS + i * NELLY_DETAIL_BITS);
for (j = 0; j < NELLY_FILL_LEN; j++) {
if (bits[j] <= 0) {
@@ -97,7 +97,7 @@ static void nelly_decode_block(NellyMoserDecodeContext *s,
if (av_lfg_get(&s->random_state) & 1)
aptr[j] *= -1.0;
} else {
- v = get_bits(&s->gb, bits[j]);
+ v = bitstream_read(&s->bc, bits[j]);
aptr[j] = ff_nelly_dequantization_table[(1<<bits[j])-1+v]*pows[j];
}
}
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