[FFmpeg-cvslog] vima: Convert to the new bitstream reader
Alexandra Hájková
git at videolan.org
Tue Apr 4 21:52:35 EEST 2017
ffmpeg | branch: master | Alexandra Hájková <alexandra at khirnov.net> | Thu Apr 14 11:59:21 2016 +0200| [0536e7d78248d8c563f21271fa5ace0b4f38c727] | committer: Diego Biurrun
vima: Convert to the new bitstream reader
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=0536e7d78248d8c563f21271fa5ace0b4f38c727
---
libavcodec/vima.c | 24 ++++++++++++------------
1 file changed, 12 insertions(+), 12 deletions(-)
diff --git a/libavcodec/vima.c b/libavcodec/vima.c
index 6f539a8..0db1897 100644
--- a/libavcodec/vima.c
+++ b/libavcodec/vima.c
@@ -29,7 +29,7 @@
#include "adpcm_data.h"
#include "avcodec.h"
-#include "get_bits.h"
+#include "bitstream.h"
#include "internal.h"
static int predict_table_init = 0;
@@ -118,7 +118,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
static int decode_frame(AVCodecContext *avctx, void *data,
int *got_frame_ptr, AVPacket *pkt)
{
- GetBitContext gb;
+ BitstreamContext bc;
AVFrame *frame = data;
int16_t pcm_data[2];
uint32_t samples;
@@ -129,19 +129,19 @@ static int decode_frame(AVCodecContext *avctx, void *data,
if (pkt->size < 13)
return AVERROR_INVALIDDATA;
- if ((ret = init_get_bits8(&gb, pkt->data, pkt->size)) < 0)
+ if ((ret = bitstream_init8(&bc, pkt->data, pkt->size)) < 0)
return ret;
- samples = get_bits_long(&gb, 32);
+ samples = bitstream_read(&bc, 32);
if (samples == 0xffffffff) {
- skip_bits_long(&gb, 32);
- samples = get_bits_long(&gb, 32);
+ bitstream_skip(&bc, 32);
+ samples = bitstream_read(&bc, 32);
}
if (samples > pkt->size * 2)
return AVERROR_INVALIDDATA;
- channel_hint[0] = get_sbits(&gb, 8);
+ channel_hint[0] = bitstream_read_signed(&bc, 8);
if (channel_hint[0] & 0x80) {
channel_hint[0] = ~channel_hint[0];
channels = 2;
@@ -149,10 +149,10 @@ static int decode_frame(AVCodecContext *avctx, void *data,
avctx->channels = channels;
avctx->channel_layout = (channels == 2) ? AV_CH_LAYOUT_STEREO
: AV_CH_LAYOUT_MONO;
- pcm_data[0] = get_sbits(&gb, 16);
+ pcm_data[0] = bitstream_read_signed(&bc, 16);
if (channels > 1) {
- channel_hint[1] = get_sbits(&gb, 8);
- pcm_data[1] = get_sbits(&gb, 16);
+ channel_hint[1] = bitstream_read_signed(&bc, 8);
+ pcm_data[1] = bitstream_read_signed(&bc, 16);
}
frame->nb_samples = samples;
@@ -170,7 +170,7 @@ static int decode_frame(AVCodecContext *avctx, void *data,
step_index = av_clip(step_index, 0, 88);
lookup_size = size_table[step_index];
- lookup = get_bits(&gb, lookup_size);
+ lookup = bitstream_read(&bc, lookup_size);
highbit = 1 << (lookup_size - 1);
lowbits = highbit - 1;
@@ -180,7 +180,7 @@ static int decode_frame(AVCodecContext *avctx, void *data,
highbit = 0;
if (lookup == lowbits) {
- output = get_sbits(&gb, 16);
+ output = bitstream_read_signed(&bc, 16);
} else {
int predict_index, diff;
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