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Code Issues Releases Activity

eatgq: cosmetics, reformat.

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This commit is contained in:
Anton Khirnov
2012-11-21 19:26:41 +01:00
parent f337c29017
commit adf0110d87
1 changed files with 75 additions and 64 deletions
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29
libavcodec/eatgq.c
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@@ -47,7 +47,8 @@ typedef struct TgqContext {
GetByteContext gb; GetByteContext gb;
} TgqContext; } TgqContext;
static av_cold int tgq_decode_init(AVCodecContext *avctx){ static av_cold int tgq_decode_init(AVCodecContext *avctx)
{
TgqContext *s = avctx->priv_data; TgqContext *s = avctx->priv_data;
uint8_t idct_permutation[64]; uint8_t idct_permutation[64];
s->avctx = avctx; s->avctx = avctx;
@@ -58,7 +59,8 @@ static av_cold int tgq_decode_init(AVCodecContext *avctx){
return 0; return 0;
} }
static void tgq_decode_block(TgqContext *s, int16_t block[64], GetBitContext *gb){ static void tgq_decode_block(TgqContext *s, int16_t block[64], GetBitContext *gb)
{
uint8_t *perm = s->scantable.permutated; uint8_t *perm = s->scantable.permutated;
int i, j, value; int i, j, value;
block[0] = get_sbits(gb, 8) * s->qtable[0]; block[0] = get_sbits(gb, 8) * s->qtable[0];
@@ -103,7 +105,9 @@ static void tgq_decode_block(TgqContext *s, int16_t block[64], GetBitContext *gb
block[0] += 128 << 4; block[0] += 128 << 4;
} }
static void tgq_idct_put_mb(TgqContext *s, int16_t (*block)[64], int mb_x, int mb_y){ static void tgq_idct_put_mb(TgqContext *s, int16_t (*block)[64],
int mb_x, int mb_y)
{
int linesize = s->frame.linesize[0]; int linesize = s->frame.linesize[0];
uint8_t *dest_y = s->frame.data[0] + (mb_y * 16 * linesize) + mb_x * 16; uint8_t *dest_y = s->frame.data[0] + (mb_y * 16 * linesize) + mb_x * 16;
uint8_t *dest_cb = s->frame.data[1] + (mb_y * 8 * s->frame.linesize[1]) + mb_x * 8; uint8_t *dest_cb = s->frame.data[1] + (mb_y * 8 * s->frame.linesize[1]) + mb_x * 8;
@@ -119,7 +123,9 @@ static void tgq_idct_put_mb(TgqContext *s, int16_t (*block)[64], int mb_x, int m
} }
} }
static inline void tgq_dconly(TgqContext *s, unsigned char *dst, int dst_stride, int dc){ static inline void tgq_dconly(TgqContext *s, unsigned char *dst,
int dst_stride, int dc)
{
int level = av_clip_uint8((dc*s->qtable[0] + 2056) >> 4); int level = av_clip_uint8((dc*s->qtable[0] + 2056) >> 4);
int j; int j;
for (j = 0; j < 8; j++) for (j = 0; j < 8; j++)
@@ -142,7 +148,8 @@ static void tgq_idct_put_mb_dconly(TgqContext *s, int mb_x, int mb_y, const int8
} }
} }
static void tgq_decode_mb(TgqContext *s, int mb_y, int mb_x){ static void tgq_decode_mb(TgqContext *s, int mb_y, int mb_x)
{
int mode; int mode;
int i; int i;
int8_t dc[6]; int8_t dc[6];
@@ -174,18 +181,21 @@ static void tgq_decode_mb(TgqContext *s, int mb_y, int mb_x){
} }
} }
static void tgq_calculate_qtable(TgqContext *s, int quant){ static void tgq_calculate_qtable(TgqContext *s, int quant)
{
int i, j; int i, j;
const int a = (14 * (100 - quant)) / 100 + 1; const int a = (14 * (100 - quant)) / 100 + 1;
const int b = (11 * (100 - quant)) / 100 + 4; const int b = (11 * (100 - quant)) / 100 + 4;
for (j = 0; j < 8; j++) for (j = 0; j < 8; j++)
for (i = 0; i < 8; i++) for (i = 0; i < 8; i++)
s->qtable[j*8+i] = ((a*(j+i)/(7+7) + b)*ff_inv_aanscales[j*8+i])>>(14-4); s->qtable[j * 8 + i] = ((a * (j + i) / (7 + 7) + b) *
ff_inv_aanscales[j * 8 + i]) >> (14 - 4);
} }
static int tgq_decode_frame(AVCodecContext *avctx, static int tgq_decode_frame(AVCodecContext *avctx,
void *data, int *got_frame, void *data, int *got_frame,
AVPacket *avpkt){ AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data; const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size; int buf_size = avpkt->size;
TgqContext *s = avctx->priv_data; TgqContext *s = avctx->priv_data;
@@ -233,7 +243,8 @@ static int tgq_decode_frame(AVCodecContext *avctx,
return avpkt->size; return avpkt->size;
} }
static av_cold int tgq_decode_end(AVCodecContext *avctx){ static av_cold int tgq_decode_end(AVCodecContext *avctx)
{
TgqContext *s = avctx->priv_data; TgqContext *s = avctx->priv_data;
if (s->frame.data[0]) if (s->frame.data[0])
s->avctx->release_buffer(avctx, &s->frame); s->avctx->release_buffer(avctx, &s->frame);