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authorAlexandra Hájková <alexandra@khirnov.net>2016-04-09 19:37:46 +0200
committerDiego Biurrun <diego@biurrun.de>2017-01-20 10:18:32 +0100
commitfd8de7f2d8c31195d309247cb129c0ad787ef76e (patch)
treef5c253a183fa6dea3f36b7fa9dc750dce163df8d /libavcodec
parent4d49a4c55054571b56d3b1b1cd9fb9ac4c2bea6a (diff)
dxtory: Convert to the new bitstream reader
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/dxtory.c88
1 files changed, 44 insertions, 44 deletions
diff --git a/libavcodec/dxtory.c b/libavcodec/dxtory.c
index b0fae2f5ef..05de4ac837 100644
--- a/libavcodec/dxtory.c
+++ b/libavcodec/dxtory.c
@@ -27,10 +27,10 @@
#define BITSTREAM_READER_LE
#include "avcodec.h"
+#include "bitstream.h"
#include "bytestream.h"
-#include "get_bits.h"
#include "internal.h"
-#include "unary_legacy.h"
+#include "unary.h"
static int dxtory_decode_v1_rgb(AVCodecContext *avctx, AVFrame *pic,
const uint8_t *src, int src_size,
@@ -176,13 +176,13 @@ static const uint8_t def_lru[8] = { 0x00, 0x20, 0x40, 0x60, 0x80, 0xA0, 0xC0, 0x
static const uint8_t def_lru_555[8] = { 0x00, 0x08, 0x10, 0x18, 0x1F };
static const uint8_t def_lru_565[8] = { 0x00, 0x08, 0x10, 0x20, 0x30, 0x3F };
-static inline uint8_t decode_sym(GetBitContext *gb, uint8_t lru[8])
+static inline uint8_t decode_sym(BitstreamContext *bc, uint8_t lru[8])
{
uint8_t c, val;
- c = get_unary(gb, 0, 8);
+ c = get_unary(bc, 0, 8);
if (!c) {
- val = get_bits(gb, 8);
+ val = bitstream_read(bc, 8);
memmove(lru + 1, lru, sizeof(*lru) * (8 - 1));
} else {
val = lru[c - 1];
@@ -243,14 +243,14 @@ static int load_buffer(AVCodecContext *avctx,
return 0;
}
-static inline uint8_t decode_sym_565(GetBitContext *gb, uint8_t lru[8],
+static inline uint8_t decode_sym_565(BitstreamContext *bc, uint8_t lru[8],
int bits)
{
uint8_t c, val;
- c = get_unary(gb, 0, bits);
+ c = get_unary(bc, 0, bits);
if (!c) {
- val = get_bits(gb, bits);
+ val = bitstream_read(bc, bits);
memmove(lru + 1, lru, sizeof(*lru) * (6 - 1));
} else {
val = lru[c - 1];
@@ -261,7 +261,7 @@ static inline uint8_t decode_sym_565(GetBitContext *gb, uint8_t lru[8],
return val;
}
-typedef int (*decode_slice_func)(GetBitContext *gb, AVFrame *frame,
+typedef int (*decode_slice_func)(BitstreamContext *bc, AVFrame *frame,
int line, int height, uint8_t lru[3][8]);
typedef void (*setup_lru_func)(uint8_t lru[3][8]);
@@ -273,7 +273,7 @@ static int dxtory_decode_v2(AVCodecContext *avctx, AVFrame *pic,
enum AVPixelFormat fmt)
{
GetByteContext gb;
- GetBitContext gb2;
+ BitstreamContext bc;
int nslices, slice, line = 0;
uint32_t off, slice_size;
uint8_t lru[3][8];
@@ -296,9 +296,9 @@ static int dxtory_decode_v2(AVCodecContext *avctx, AVFrame *pic,
if (ret < 0)
return ret;
- init_get_bits(&gb2, src + off + 16, (slice_size - 16) * 8);
+ bitstream_init8(&bc, src + off + 16, slice_size - 16);
- line += decode_slice(&gb2, pic, line, avctx->height - line, lru);
+ line += decode_slice(&bc, pic, line, avctx->height - line, lru);
off += slice_size;
}
@@ -315,7 +315,7 @@ static int dxtory_decode_v2(AVCodecContext *avctx, AVFrame *pic,
}
av_always_inline
-static int dx2_decode_slice_5x5(GetBitContext *gb, AVFrame *frame,
+static int dx2_decode_slice_5x5(BitstreamContext *bc, AVFrame *frame,
int line, int left, uint8_t lru[3][8],
int is_565)
{
@@ -325,11 +325,11 @@ static int dx2_decode_slice_5x5(GetBitContext *gb, AVFrame *frame,
int stride = frame->linesize[0];
uint8_t *dst = frame->data[0] + stride * line;
- for (y = 0; y < left && get_bits_left(gb) > 16; y++) {
+ for (y = 0; y < left && bitstream_bits_left(bc) > 16; y++) {
for (x = 0; x < width; x++) {
- b = decode_sym_565(gb, lru[0], 5);
- g = decode_sym_565(gb, lru[1], is_565 ? 6 : 5);
- r = decode_sym_565(gb, lru[2], 5);
+ b = decode_sym_565(bc, lru[0], 5);
+ g = decode_sym_565(bc, lru[1], is_565 ? 6 : 5);
+ r = decode_sym_565(bc, lru[2], 5);
dst[x * 3 + 0] = (r << 3) | (r >> 2);
dst[x * 3 + 1] = is_565 ? (g << 2) | (g >> 4) : (g << 3) | (g >> 2);
dst[x * 3 + 2] = (b << 3) | (b >> 2);
@@ -355,16 +355,16 @@ static void setup_lru_565(uint8_t lru[3][8])
memcpy(lru[2], def_lru_555, 8 * sizeof(*def_lru));
}
-static int dx2_decode_slice_555(GetBitContext *gb, AVFrame *frame,
+static int dx2_decode_slice_555(BitstreamContext *bc, AVFrame *frame,
int line, int left, uint8_t lru[3][8])
{
- return dx2_decode_slice_5x5(gb, frame, line, left, lru, 0);
+ return dx2_decode_slice_5x5(bc, frame, line, left, lru, 0);
}
-static int dx2_decode_slice_565(GetBitContext *gb, AVFrame *frame,
+static int dx2_decode_slice_565(BitstreamContext *bc, AVFrame *frame,
int line, int left, uint8_t lru[3][8])
{
- return dx2_decode_slice_5x5(gb, frame, line, left, lru, 1);
+ return dx2_decode_slice_5x5(bc, frame, line, left, lru, 1);
}
static int dxtory_decode_v2_565(AVCodecContext *avctx, AVFrame *pic,
@@ -383,7 +383,7 @@ static int dxtory_decode_v2_565(AVCodecContext *avctx, AVFrame *pic,
fmt);
}
-static int dx2_decode_slice_rgb(GetBitContext *gb, AVFrame *frame,
+static int dx2_decode_slice_rgb(BitstreamContext *bc, AVFrame *frame,
int line, int left, uint8_t lru[3][8])
{
int x, y;
@@ -391,11 +391,11 @@ static int dx2_decode_slice_rgb(GetBitContext *gb, AVFrame *frame,
int stride = frame->linesize[0];
uint8_t *dst = frame->data[0] + stride * line;
- for (y = 0; y < left && get_bits_left(gb) > 16; y++) {
+ for (y = 0; y < left && bitstream_bits_left(bc) > 16; y++) {
for (x = 0; x < width; x++) {
- dst[x * 3 + 0] = decode_sym(gb, lru[0]);
- dst[x * 3 + 1] = decode_sym(gb, lru[1]);
- dst[x * 3 + 2] = decode_sym(gb, lru[2]);
+ dst[x * 3 + 0] = decode_sym(bc, lru[0]);
+ dst[x * 3 + 1] = decode_sym(bc, lru[1]);
+ dst[x * 3 + 2] = decode_sym(bc, lru[2]);
}
dst += stride;
@@ -421,7 +421,7 @@ static int dxtory_decode_v2_rgb(AVCodecContext *avctx, AVFrame *pic,
AV_PIX_FMT_BGR24);
}
-static int dx2_decode_slice_410(GetBitContext *gb, AVFrame *frame,
+static int dx2_decode_slice_410(BitstreamContext *bc, AVFrame *frame,
int line, int left,
uint8_t lru[3][8])
{
@@ -436,13 +436,13 @@ static int dx2_decode_slice_410(GetBitContext *gb, AVFrame *frame,
uint8_t *U = frame->data[1] + (ustride >> 2) * line;
uint8_t *V = frame->data[2] + (vstride >> 2) * line;
- for (y = 0; y < left - 3 && get_bits_left(gb) > 16; y += 4) {
+ for (y = 0; y < left - 3 && bitstream_bits_left(bc) > 16; y += 4) {
for (x = 0; x < width; x += 4) {
for (j = 0; j < 4; j++)
for (i = 0; i < 4; i++)
- Y[x + i + j * ystride] = decode_sym(gb, lru[0]);
- U[x >> 2] = decode_sym(gb, lru[1]) ^ 0x80;
- V[x >> 2] = decode_sym(gb, lru[2]) ^ 0x80;
+ Y[x + i + j * ystride] = decode_sym(bc, lru[0]);
+ U[x >> 2] = decode_sym(bc, lru[1]) ^ 0x80;
+ V[x >> 2] = decode_sym(bc, lru[2]) ^ 0x80;
}
Y += ystride << 2;
@@ -463,7 +463,7 @@ static int dxtory_decode_v2_410(AVCodecContext *avctx, AVFrame *pic,
AV_PIX_FMT_YUV410P);
}
-static int dx2_decode_slice_420(GetBitContext *gb, AVFrame *frame,
+static int dx2_decode_slice_420(BitstreamContext *bc, AVFrame *frame,
int line, int left,
uint8_t lru[3][8])
{
@@ -480,14 +480,14 @@ static int dx2_decode_slice_420(GetBitContext *gb, AVFrame *frame,
uint8_t *V = frame->data[2] + (vstride >> 1) * line;
- for (y = 0; y < left - 1 && get_bits_left(gb) > 16; y += 2) {
+ for (y = 0; y < left - 1 && bitstream_bits_left(bc) > 16; y += 2) {
for (x = 0; x < width; x += 2) {
- Y[x + 0 + 0 * ystride] = decode_sym(gb, lru[0]);
- Y[x + 1 + 0 * ystride] = decode_sym(gb, lru[0]);
- Y[x + 0 + 1 * ystride] = decode_sym(gb, lru[0]);
- Y[x + 1 + 1 * ystride] = decode_sym(gb, lru[0]);
- U[x >> 1] = decode_sym(gb, lru[1]) ^ 0x80;
- V[x >> 1] = decode_sym(gb, lru[2]) ^ 0x80;
+ Y[x + 0 + 0 * ystride] = decode_sym(bc, lru[0]);
+ Y[x + 1 + 0 * ystride] = decode_sym(bc, lru[0]);
+ Y[x + 0 + 1 * ystride] = decode_sym(bc, lru[0]);
+ Y[x + 1 + 1 * ystride] = decode_sym(bc, lru[0]);
+ U[x >> 1] = decode_sym(bc, lru[1]) ^ 0x80;
+ V[x >> 1] = decode_sym(bc, lru[2]) ^ 0x80;
}
Y += ystride << 1;
@@ -507,7 +507,7 @@ static int dxtory_decode_v2_420(AVCodecContext *avctx, AVFrame *pic,
AV_PIX_FMT_YUV420P);
}
-static int dx2_decode_slice_444(GetBitContext *gb, AVFrame *frame,
+static int dx2_decode_slice_444(BitstreamContext *bc, AVFrame *frame,
int line, int left,
uint8_t lru[3][8])
{
@@ -523,11 +523,11 @@ static int dx2_decode_slice_444(GetBitContext *gb, AVFrame *frame,
uint8_t *U = frame->data[1] + ustride * line;
uint8_t *V = frame->data[2] + vstride * line;
- for (y = 0; y < left && get_bits_left(gb) > 16; y++) {
+ for (y = 0; y < left && bitstream_bits_left(bc) > 16; y++) {
for (x = 0; x < width; x++) {
- Y[x] = decode_sym(gb, lru[0]);
- U[x] = decode_sym(gb, lru[1]) ^ 0x80;
- V[x] = decode_sym(gb, lru[2]) ^ 0x80;
+ Y[x] = decode_sym(bc, lru[0]);
+ U[x] = decode_sym(bc, lru[1]) ^ 0x80;
+ V[x] = decode_sym(bc, lru[2]) ^ 0x80;
}
Y += ystride;