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authorDiego Biurrun <diego@biurrun.de>2016-06-21 14:35:53 +0200
committerDiego Biurrun <diego@biurrun.de>2017-01-25 10:38:43 +0100
commit2e0e150144d6c8fe641a45141638559fbf4d9642 (patch)
tree55a4e0bd2ee6989aa1ab025c922623ebdd005766 /libavcodec
parentb061f298f7f2c227c12dd76a15041ec0a66eeca0 (diff)
downloadffmpeg-streaming-2e0e150144d6c8fe641a45141638559fbf4d9642.zip
ffmpeg-streaming-2e0e150144d6c8fe641a45141638559fbf4d9642.tar.gz
magicyuv: Convert to the new bitstream reader
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/magicyuv.c33
1 files changed, 17 insertions, 16 deletions
diff --git a/libavcodec/magicyuv.c b/libavcodec/magicyuv.c
index 310ead4..027143f 100644
--- a/libavcodec/magicyuv.c
+++ b/libavcodec/magicyuv.c
@@ -22,14 +22,15 @@
#include <stdlib.h>
#include <string.h>
-#include "../libavutil/pixdesc.h"
+#include "libavutil/pixdesc.h"
#include "avcodec.h"
+#include "bitstream.h"
#include "bytestream.h"
-#include "get_bits.h"
#include "huffyuvdsp.h"
#include "internal.h"
#include "thread.h"
+#include "vlc.h"
typedef struct Slice {
uint32_t start;
@@ -108,7 +109,7 @@ static int magy_decode_slice(AVCodecContext *avctx, void *tdata,
int interlaced = s->interlaced;
AVFrame *p = s->p;
int i, k, x;
- GetBitContext gb;
+ BitstreamContext bc;
uint8_t *dst;
for (i = 0; i < s->planes; i++) {
@@ -119,20 +120,20 @@ static int magy_decode_slice(AVCodecContext *avctx, void *tdata,
ptrdiff_t fake_stride = p->linesize[i] * (1 + interlaced);
ptrdiff_t stride = p->linesize[i];
int flags, pred;
- int ret = init_get_bits8(&gb, s->buf + s->slices[i][j].start,
- s->slices[i][j].size);
+ int ret = bitstream_init8(&bc, s->buf + s->slices[i][j].start,
+ s->slices[i][j].size);
if (ret < 0)
return ret;
- flags = get_bits(&gb, 8);
- pred = get_bits(&gb, 8);
+ flags = bitstream_read(&bc, 8);
+ pred = bitstream_read(&bc, 8);
dst = p->data[i] + j * sheight * stride;
if (flags & 1) {
for (k = 0; k < height; k++) {
for (x = 0; x < width; x++)
- dst[x] = get_bits(&gb, 8);
+ dst[x] = bitstream_read(&bc, 8);
dst += stride;
}
@@ -140,10 +141,10 @@ static int magy_decode_slice(AVCodecContext *avctx, void *tdata,
for (k = 0; k < height; k++) {
for (x = 0; x < width; x++) {
int pix;
- if (get_bits_left(&gb) <= 0)
+ if (bitstream_bits_left(&bc) <= 0)
return AVERROR_INVALIDDATA;
- pix = get_vlc2(&gb, s->vlc[i].table, s->vlc[i].bits, 3);
+ pix = bitstream_read_vlc(&bc, s->vlc[i].table, s->vlc[i].bits, 3);
if (pix < 0)
return AVERROR_INVALIDDATA;
@@ -238,7 +239,7 @@ static int magy_decode_frame(AVCodecContext *avctx, void *data,
ThreadFrame frame = { .f = data };
AVFrame *p = data;
GetByteContext gbyte;
- GetBitContext gbit;
+ BitstreamContext bc;
uint32_t first_offset, offset, next_offset, header_size, slice_width;
int width, height, format, version, table_size;
int ret, i, j, k;
@@ -370,16 +371,16 @@ static int magy_decode_frame(AVCodecContext *avctx, void *data,
if (table_size < 2)
return AVERROR_INVALIDDATA;
- ret = init_get_bits8(&gbit, avpkt->data + bytestream2_tell(&gbyte), table_size);
+ ret = bitstream_init8(&bc, avpkt->data + bytestream2_tell(&gbyte), table_size);
if (ret < 0)
return ret;
memset(s->len, 0, sizeof(s->len));
j = i = 0;
- while (get_bits_left(&gbit) >= 8) {
- int b = get_bits(&gbit, 4);
- int x = get_bits(&gbit, 4);
- int l = get_bitsz(&gbit, b) + 1;
+ while (bitstream_bits_left(&bc) >= 8) {
+ int b = bitstream_read(&bc, 4);
+ int x = bitstream_read(&bc, 4);
+ int l = bitstream_read(&bc, b) + 1;
for (k = 0; k < l; k++)
if (j + k < 256)
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