[FFmpeg-cvslog] utvideodec: Convert to the new bitstream reader
Alexandra Hájková
git at videolan.org
Tue Apr 4 21:52:34 EEST 2017
ffmpeg | branch: master | Alexandra Hájková <alexandra at khirnov.net> | Thu Apr 14 11:07:15 2016 +0200| [104a4289f925c600c13035de6c282fe656510a27] | committer: Diego Biurrun
utvideodec: Convert to the new bitstream reader
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=104a4289f925c600c13035de6c282fe656510a27
---
libavcodec/utvideodec.c | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/libavcodec/utvideodec.c b/libavcodec/utvideodec.c
index 3a58156..29de815 100644
--- a/libavcodec/utvideodec.c
+++ b/libavcodec/utvideodec.c
@@ -28,10 +28,11 @@
#include <stdlib.h>
#include "libavutil/intreadwrite.h"
+
#include "avcodec.h"
+#include "bitstream.h"
#include "bswapdsp.h"
#include "bytestream.h"
-#include "get_bits.h"
#include "thread.h"
#include "utvideo.h"
@@ -85,7 +86,7 @@ static int decode_plane(UtvideoContext *c, int plane_no,
int i, j, slice, pix;
int sstart, send;
VLC vlc;
- GetBitContext gb;
+ BitstreamContext bc;
int prev, fsym;
const int cmask = ~(!plane_no && c->avctx->pix_fmt == AV_PIX_FMT_YUV420P);
@@ -146,17 +147,17 @@ static int decode_plane(UtvideoContext *c, int plane_no,
c->bdsp.bswap_buf((uint32_t *) c->slice_bits,
(uint32_t *) c->slice_bits,
(slice_data_end - slice_data_start + 3) >> 2);
- init_get_bits(&gb, c->slice_bits, slice_size * 8);
+ bitstream_init(&bc, c->slice_bits, slice_size * 8);
prev = 0x80;
for (j = sstart; j < send; j++) {
for (i = 0; i < width * step; i += step) {
- if (get_bits_left(&gb) <= 0) {
+ if (bitstream_bits_left(&bc) <= 0) {
av_log(c->avctx, AV_LOG_ERROR,
"Slice decoding ran out of bits\n");
goto fail;
}
- pix = get_vlc2(&gb, vlc.table, vlc.bits, 4);
+ pix = bitstream_read_vlc(&bc, vlc.table, vlc.bits, 4);
if (pix < 0) {
av_log(c->avctx, AV_LOG_ERROR, "Decoding error\n");
goto fail;
@@ -169,9 +170,9 @@ static int decode_plane(UtvideoContext *c, int plane_no,
}
dest += stride;
}
- if (get_bits_left(&gb) > 32)
+ if (bitstream_bits_left(&bc) > 32)
av_log(c->avctx, AV_LOG_WARNING,
- "%d bits left after decoding slice\n", get_bits_left(&gb));
+ "%d bits left after decoding slice\n", bitstream_bits_left(&bc));
}
ff_free_vlc(&vlc);
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