Skip to content

F
ffmpeg.wasm-core
Commit f61e47dd authored by Gabriel Dume's avatar Gabriel Dume Committed by Diego Biurrun
Browse files
Options

asv: K&R formatting cosmetics 

Signed-off-by: 's avatarDiego Biurrun <diego@biurrun.de>
parent 74512f7e
Show whitespace changes
Inline Side-by-side
Showing with 210 additions and 173 deletions
libavcodec/asv.c
View file @ f61e47dd
......@@ -30,58 +30,59 @@
#include "bswapdsp.h"
const uint8_t ff_asv_scantab[64] = {
0x00,0x08,0x01,0x09,0x10,0x18,0x11,0x19,
0x02,0x0A,0x03,0x0B,0x12,0x1A,0x13,0x1B,
0x04,0x0C,0x05,0x0D,0x20,0x28,0x21,0x29,
0x06,0x0E,0x07,0x0F,0x14,0x1C,0x15,0x1D,
0x22,0x2A,0x23,0x2B,0x30,0x38,0x31,0x39,
0x16,0x1E,0x17,0x1F,0x24,0x2C,0x25,0x2D,
0x32,0x3A,0x33,0x3B,0x26,0x2E,0x27,0x2F,
0x34,0x3C,0x35,0x3D,0x36,0x3E,0x37,0x3F,
0x00, 0x08, 0x01, 0x09, 0x10, 0x18, 0x11, 0x19,
0x02, 0x0A, 0x03, 0x0B, 0x12, 0x1A, 0x13, 0x1B,
0x04, 0x0C, 0x05, 0x0D, 0x20, 0x28, 0x21, 0x29,
0x06, 0x0E, 0x07, 0x0F, 0x14, 0x1C, 0x15, 0x1D,
0x22, 0x2A, 0x23, 0x2B, 0x30, 0x38, 0x31, 0x39,
0x16, 0x1E, 0x17, 0x1F, 0x24, 0x2C, 0x25, 0x2D,
0x32, 0x3A, 0x33, 0x3B, 0x26, 0x2E, 0x27, 0x2F,
0x34, 0x3C, 0x35, 0x3D, 0x36, 0x3E, 0x37, 0x3F,
};
const uint8_t ff_asv_ccp_tab[17][2] = {
{0x2,2}, {0x7,5}, {0xB,5}, {0x3,5},
{0xD,5}, {0x5,5}, {0x9,5}, {0x1,5},
{0xE,5}, {0x6,5}, {0xA,5}, {0x2,5},
{0xC,5}, {0x4,5}, {0x8,5}, {0x3,2},
{0xF,5}, //EOB
{ 0x2, 2 }, { 0x7, 5 }, { 0xB, 5 }, { 0x3, 5 },
{ 0xD, 5 }, { 0x5, 5 }, { 0x9, 5 }, { 0x1, 5 },
{ 0xE, 5 }, { 0x6, 5 }, { 0xA, 5 }, { 0x2, 5 },
{ 0xC, 5 }, { 0x4, 5 }, { 0x8, 5 }, { 0x3, 2 },
{ 0xF, 5 }, // EOB
};
const uint8_t ff_asv_level_tab[7][2] = {
{3,4}, {3,3}, {3,2}, {0,3}, {2,2}, {2,3}, {2,4}
{ 3, 4 }, { 3, 3 }, { 3, 2 }, { 0, 3 }, { 2, 2 }, { 2, 3 }, { 2, 4 }
};
const uint8_t ff_asv_dc_ccp_tab[8][2] = {
{0x1,2}, {0xD,4}, {0xF,4}, {0xC,4},
{0x5,3}, {0xE,4}, {0x4,3}, {0x0,2},
{ 0x1, 2 }, { 0xD, 4 }, { 0xF, 4 }, { 0xC, 4 },
{ 0x5, 3 }, { 0xE, 4 }, { 0x4, 3 }, { 0x0, 2 },
};
const uint8_t ff_asv_ac_ccp_tab[16][2] = {
{0x00,2}, {0x3B,6}, {0x0A,4}, {0x3A,6},
{0x02,3}, {0x39,6}, {0x3C,6}, {0x38,6},
{0x03,3}, {0x3D,6}, {0x08,4}, {0x1F,5},
{0x09,4}, {0x0B,4}, {0x0D,4}, {0x0C,4},
{ 0x00, 2 }, { 0x3B, 6 }, { 0x0A, 4 }, { 0x3A, 6 },
{ 0x02, 3 }, { 0x39, 6 }, { 0x3C, 6 }, { 0x38, 6 },
{ 0x03, 3 }, { 0x3D, 6 }, { 0x08, 4 }, { 0x1F, 5 },
{ 0x09, 4 }, { 0x0B, 4 }, { 0x0D, 4 }, { 0x0C, 4 },
};
const uint8_t ff_asv2_level_tab[63][2] = {
{0x3F,10},{0x2F,10},{0x37,10},{0x27,10},{0x3B,10},{0x2B,10},{0x33,10},{0x23,10},
{0x3D,10},{0x2D,10},{0x35,10},{0x25,10},{0x39,10},{0x29,10},{0x31,10},{0x21,10},
{0x1F, 8},{0x17, 8},{0x1B, 8},{0x13, 8},{0x1D, 8},{0x15, 8},{0x19, 8},{0x11, 8},
{0x0F, 6},{0x0B, 6},{0x0D, 6},{0x09, 6},
{0x07, 4},{0x05, 4},
{0x03, 2},
{0x00, 5},
{0x02, 2},
{0x04, 4},{0x06, 4},
{0x08, 6},{0x0C, 6},{0x0A, 6},{0x0E, 6},
{0x10, 8},{0x18, 8},{0x14, 8},{0x1C, 8},{0x12, 8},{0x1A, 8},{0x16, 8},{0x1E, 8},
{0x20,10},{0x30,10},{0x28,10},{0x38,10},{0x24,10},{0x34,10},{0x2C,10},{0x3C,10},
{0x22,10},{0x32,10},{0x2A,10},{0x3A,10},{0x26,10},{0x36,10},{0x2E,10},{0x3E,10},
{ 0x3F, 10 }, { 0x2F, 10 }, { 0x37, 10 }, { 0x27, 10 }, { 0x3B, 10 }, { 0x2B, 10 }, { 0x33, 10 }, { 0x23, 10 },
{ 0x3D, 10 }, { 0x2D, 10 }, { 0x35, 10 }, { 0x25, 10 }, { 0x39, 10 }, { 0x29, 10 }, { 0x31, 10 }, { 0x21, 10 },
{ 0x1F, 8 }, { 0x17, 8 }, { 0x1B, 8 }, { 0x13, 8 }, { 0x1D, 8 }, { 0x15, 8 }, { 0x19, 8 }, { 0x11, 8 },
{ 0x0F, 6 }, { 0x0B, 6 }, { 0x0D, 6 }, { 0x09, 6 },
{ 0x07, 4 }, { 0x05, 4 },
{ 0x03, 2 },
{ 0x00, 5 },
{ 0x02, 2 },
{ 0x04, 4 }, { 0x06, 4 },
{ 0x08, 6 }, { 0x0C, 6 }, { 0x0A, 6 }, { 0x0E, 6 },
{ 0x10, 8 }, { 0x18, 8 }, { 0x14, 8 }, { 0x1C, 8 }, { 0x12, 8 }, { 0x1A, 8 }, { 0x16, 8 }, { 0x1E, 8 },
{ 0x20, 10 }, { 0x30, 10 }, { 0x28, 10 }, { 0x38, 10 }, { 0x24, 10 }, { 0x34, 10 }, { 0x2C, 10 }, { 0x3C, 10 },
{ 0x22, 10 }, { 0x32, 10 }, { 0x2A, 10 }, { 0x3A, 10 }, { 0x26, 10 }, { 0x36, 10 }, { 0x2E, 10 }, { 0x3E, 10 },
};
av_cold void ff_asv_common_init(AVCodecContext *avctx) {
ASV1Context * const a = avctx->priv_data;
av_cold void ff_asv_common_init(AVCodecContext *avctx)
{
ASV1Context *const a = avctx->priv_data;
ff_bswapdsp_init(&a->bbdsp);
......@@ -90,5 +91,5 @@ av_cold void ff_asv_common_init(AVCodecContext *avctx) {
a->mb_width2 = (avctx->width + 0) / 16;
a->mb_height2 = (avctx->height + 0) / 16;
a->avctx= avctx;
a->avctx = avctx;
}
libavcodec/asv.h
View file @ f61e47dd
......@@ -39,7 +39,7 @@
#include "pixblockdsp.h"
#include "put_bits.h"
typedef struct ASV1Context{
typedef struct ASV1Context {
AVCodecContext *avctx;
BlockDSPContext bdsp;
BswapDSPContext bbdsp;
......
libavcodec/asvdec.c
View file @ f61e47dd
......@@ -69,10 +69,10 @@ static av_cold void init_vlcs(ASV1Context *a)
}
}
//FIXME write a reversed bitstream reader to avoid the double reverse
// FIXME write a reversed bitstream reader to avoid the double reverse
static inline int asv2_get_bits(GetBitContext *gb, int n)
{
return ff_reverse[get_bits(gb, n) << (8-n)];
return ff_reverse[get_bits(gb, n) << (8 - n)];
}
static inline int asv1_get_level(GetBitContext *gb)
......@@ -90,7 +90,7 @@ static inline int asv2_get_level(GetBitContext *gb)
int code = get_vlc2(gb, asv2_level_vlc.table, ASV2_LEVEL_VLC_BITS, 1);
if (code == 31)
return (int8_t)asv2_get_bits(gb, 8);
return (int8_t) asv2_get_bits(gb, 8);
else
return code - 31;
}
......@@ -149,13 +149,13 @@ static inline int asv2_decode_block(ASV1Context *a, int16_t block[64])
if (ccp) {
if (ccp & 8)
block[a->scantable.permutated[4*i + 0]] = (asv2_get_level(&a->gb) * a->intra_matrix[4*i + 0]) >> 4;
block[a->scantable.permutated[4 * i + 0]] = (asv2_get_level(&a->gb) * a->intra_matrix[4 * i + 0]) >> 4;
if (ccp & 4)
block[a->scantable.permutated[4*i + 1]] = (asv2_get_level(&a->gb) * a->intra_matrix[4*i + 1]) >> 4;
block[a->scantable.permutated[4 * i + 1]] = (asv2_get_level(&a->gb) * a->intra_matrix[4 * i + 1]) >> 4;
if (ccp & 2)
block[a->scantable.permutated[4*i + 2]] = (asv2_get_level(&a->gb) * a->intra_matrix[4*i + 2]) >> 4;
block[a->scantable.permutated[4 * i + 2]] = (asv2_get_level(&a->gb) * a->intra_matrix[4 * i + 2]) >> 4;
if (ccp & 1)
block[a->scantable.permutated[4*i + 3]] = (asv2_get_level(&a->gb) * a->intra_matrix[4*i + 3]) >> 4;
block[a->scantable.permutated[4 * i + 3]] = (asv2_get_level(&a->gb) * a->intra_matrix[4 * i + 3]) >> 4;
}
}
......@@ -184,10 +184,10 @@ static inline int decode_mb(ASV1Context *a, int16_t block[6][64])
static inline void idct_put(ASV1Context *a, AVFrame *frame, int mb_x, int mb_y)
{
int16_t (*block)[64] = a->block;
int16_t(*block)[64] = a->block;
int linesize = frame->linesize[0];
uint8_t *dest_y = frame->data[0] + (mb_y * 16* linesize ) + mb_x * 16;
uint8_t *dest_y = frame->data[0] + (mb_y * 16 * linesize) + mb_x * 16;
uint8_t *dest_cb = frame->data[1] + (mb_y * 8 * frame->linesize[1]) + mb_x * 8;
uint8_t *dest_cr = frame->data[2] + (mb_y * 8 * frame->linesize[2]) + mb_x * 8;
......@@ -196,20 +196,19 @@ static inline void idct_put(ASV1Context *a, AVFrame *frame, int mb_x, int mb_y)
a->idsp.idct_put(dest_y + 8 * linesize, linesize, block[2]);
a->idsp.idct_put(dest_y + 8 * linesize + 8, linesize, block[3]);
if (!(a->avctx->flags&CODEC_FLAG_GRAY)) {
if (!(a->avctx->flags & CODEC_FLAG_GRAY)) {
a->idsp.idct_put(dest_cb, frame->linesize[1], block[4]);
a->idsp.idct_put(dest_cr, frame->linesize[2], block[5]);
}
}
static int decode_frame(AVCodecContext *avctx,
void *data, int *got_frame,
static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
AVPacket *avpkt)
{
ASV1Context * const a = avctx->priv_data;
ASV1Context *const a = avctx->priv_data;
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
AVFrame * const p = data;
AVFrame *const p = data;
int mb_x, mb_y, ret;
if ((ret = ff_get_buffer(avctx, p, 0)) < 0) {
......@@ -224,16 +223,16 @@ static int decode_frame(AVCodecContext *avctx,
if (!a->bitstream_buffer)
return AVERROR(ENOMEM);
if (avctx->codec_id == AV_CODEC_ID_ASV1)
if (avctx->codec_id == AV_CODEC_ID_ASV1) {
a->bbdsp.bswap_buf((uint32_t *) a->bitstream_buffer,
(const uint32_t *) buf, buf_size / 4);
else {
} else {
int i;
for (i = 0; i < buf_size; i++)
a->bitstream_buffer[i] = ff_reverse[buf[i]];
}
init_get_bits(&a->gb, a->bitstream_buffer, buf_size*8);
init_get_bits(&a->gb, a->bitstream_buffer, buf_size * 8);
for (mb_y = 0; mb_y < a->mb_height2; mb_y++) {
for (mb_x = 0; mb_x < a->mb_width2; mb_x++) {
......@@ -273,7 +272,7 @@ static int decode_frame(AVCodecContext *avctx,
static av_cold int decode_init(AVCodecContext *avctx)
{
ASV1Context * const a = avctx->priv_data;
ASV1Context *const a = avctx->priv_data;
const int scale = avctx->codec_id == AV_CODEC_ID_ASV1 ? 1 : 2;
int i;
......@@ -301,7 +300,8 @@ static av_cold int decode_init(AVCodecContext *avctx)
for (i = 0; i < 64; i++) {
int index = ff_asv_scantab[i];
a->intra_matrix[i] = 64 * scale * ff_mpeg1_default_intra_matrix[index] / a->inv_qscale;
a->intra_matrix[i] = 64 * scale * ff_mpeg1_default_intra_matrix[index] /
a->inv_qscale;
}
return 0;
......@@ -309,7 +309,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
static av_cold int decode_end(AVCodecContext *avctx)
{
ASV1Context * const a = avctx->priv_data;
ASV1Context *const a = avctx->priv_data;
av_freep(&a->bitstream_buffer);
a->bitstream_buffer_size = 0;
......@@ -340,4 +340,3 @@ AVCodec ff_asv2_decoder = {
.decode = decode_frame,
.capabilities = CODEC_CAP_DR1,
};
libavcodec/asvenc.c
View file @ f61e47dd
......@@ -32,117 +32,150 @@
#include "mathops.h"
#include "mpeg12data.h"
static inline void asv2_put_bits(PutBitContext *pb, int n, int v){
put_bits(pb, n, ff_reverse[ v << (8-n) ]);
static inline void asv2_put_bits(PutBitContext *pb, int n, int v)
{
put_bits(pb, n, ff_reverse[v << (8 - n)]);
}
static inline void asv1_put_level(PutBitContext *pb, int level){
unsigned int index= level + 3;
static inline void asv1_put_level(PutBitContext *pb, int level)
{
unsigned int index = level + 3;
if(index <= 6) put_bits(pb, ff_asv_level_tab[index][1], ff_asv_level_tab[index][0]);
else{
if (index <= 6) {
put_bits(pb, ff_asv_level_tab[index][1], ff_asv_level_tab[index][0]);
} else {
put_bits(pb, ff_asv_level_tab[3][1], ff_asv_level_tab[3][0]);
put_sbits(pb, 8, level);
}
}
static inline void asv2_put_level(PutBitContext *pb, int level){
unsigned int index= level + 31;
static inline void asv2_put_level(PutBitContext *pb, int level)
{
unsigned int index = level + 31;
if(index <= 62) put_bits(pb, ff_asv2_level_tab[index][1], ff_asv2_level_tab[index][0]);
else{
if (index <= 62) {
put_bits(pb, ff_asv2_level_tab[index][1], ff_asv2_level_tab[index][0]);
} else {
put_bits(pb, ff_asv2_level_tab[31][1], ff_asv2_level_tab[31][0]);
asv2_put_bits(pb, 8, level&0xFF);
asv2_put_bits(pb, 8, level & 0xFF);
}
}
static inline void asv1_encode_block(ASV1Context *a, int16_t block[64]){
static inline void asv1_encode_block(ASV1Context *a, int16_t block[64])
{
int i;
int nc_count=0;
put_bits(&a->pb, 8, (block[0] + 32)>>6);
block[0]= 0;
for(i=0; i<10; i++){
const int index = ff_asv_scantab[4*i];
int ccp=0;
if( (block[index + 0] = (block[index + 0]*a->q_intra_matrix[index + 0] + (1<<15))>>16) ) ccp |= 8;
if( (block[index + 8] = (block[index + 8]*a->q_intra_matrix[index + 8] + (1<<15))>>16) ) ccp |= 4;
if( (block[index + 1] = (block[index + 1]*a->q_intra_matrix[index + 1] + (1<<15))>>16) ) ccp |= 2;
if( (block[index + 9] = (block[index + 9]*a->q_intra_matrix[index + 9] + (1<<15))>>16) ) ccp |= 1;
if(ccp){
for(;nc_count; nc_count--)
int nc_count = 0;
put_bits(&a->pb, 8, (block[0] + 32) >> 6);
block[0] = 0;
for (i = 0; i < 10; i++) {
const int index = ff_asv_scantab[4 * i];
int ccp = 0;
if ((block[index + 0] = (block[index + 0] *
a->q_intra_matrix[index + 0] + (1 << 15)) >> 16))
ccp |= 8;
if ((block[index + 8] = (block[index + 8] *
a->q_intra_matrix[index + 8] + (1 << 15)) >> 16))
ccp |= 4;
if ((block[index + 1] = (block[index + 1] *
a->q_intra_matrix[index + 1] + (1 << 15)) >> 16))
ccp |= 2;
if ((block[index + 9] = (block[index + 9] *
a->q_intra_matrix[index + 9] + (1 << 15)) >> 16))
ccp |= 1;
if (ccp) {
for (; nc_count; nc_count--)
put_bits(&a->pb, ff_asv_ccp_tab[0][1], ff_asv_ccp_tab[0][0]);
put_bits(&a->pb, ff_asv_ccp_tab[ccp][1], ff_asv_ccp_tab[ccp][0]);
if(ccp&8) asv1_put_level(&a->pb, block[index + 0]);
if(ccp&4) asv1_put_level(&a->pb, block[index + 8]);
if(ccp&2) asv1_put_level(&a->pb, block[index + 1]);
if(ccp&1) asv1_put_level(&a->pb, block[index + 9]);
}else{
if (ccp & 8)
asv1_put_level(&a->pb, block[index + 0]);
if (ccp & 4)
asv1_put_level(&a->pb, block[index + 8]);
if (ccp & 2)
asv1_put_level(&a->pb, block[index + 1]);
if (ccp & 1)
asv1_put_level(&a->pb, block[index + 9]);
} else {
nc_count++;
}
}
put_bits(&a->pb, ff_asv_ccp_tab[16][1], ff_asv_ccp_tab[16][0]);
}
static inline void asv2_encode_block(ASV1Context *a, int16_t block[64]){
static inline void asv2_encode_block(ASV1Context *a, int16_t block[64])
{
int i;
int count=0;
int count = 0;
for(count=63; count>3; count--){
for (count = 63; count > 3; count--) {
const int index = ff_asv_scantab[count];
if( (block[index]*a->q_intra_matrix[index] + (1<<15))>>16 )
if ((block[index] * a->q_intra_matrix[index] + (1 << 15)) >> 16)
break;
}
count >>= 2;
asv2_put_bits(&a->pb, 4, count);
asv2_put_bits(&a->pb, 8, (block[0] + 32)>>6);
block[0]= 0;
for(i=0; i<=count; i++){
const int index = ff_asv_scantab[4*i];
int ccp=0;
if( (block[index + 0] = (block[index + 0]*a->q_intra_matrix[index + 0] + (1<<15))>>16) ) ccp |= 8;
if( (block[index + 8] = (block[index + 8]*a->q_intra_matrix[index + 8] + (1<<15))>>16) ) ccp |= 4;
if( (block[index + 1] = (block[index + 1]*a->q_intra_matrix[index + 1] + (1<<15))>>16) ) ccp |= 2;
if( (block[index + 9] = (block[index + 9]*a->q_intra_matrix[index + 9] + (1<<15))>>16) ) ccp |= 1;
assert(i || ccp<8);
if(i) put_bits(&a->pb, ff_asv_ac_ccp_tab[ccp][1], ff_asv_ac_ccp_tab[ccp][0]);
else put_bits(&a->pb, ff_asv_dc_ccp_tab[ccp][1], ff_asv_dc_ccp_tab[ccp][0]);
if(ccp){
if(ccp&8) asv2_put_level(&a->pb, block[index + 0]);
if(ccp&4) asv2_put_level(&a->pb, block[index + 8]);
if(ccp&2) asv2_put_level(&a->pb, block[index + 1]);
if(ccp&1) asv2_put_level(&a->pb, block[index + 9]);
asv2_put_bits(&a->pb, 8, (block[0] + 32) >> 6);
block[0] = 0;
for (i = 0; i <= count; i++) {
const int index = ff_asv_scantab[4 * i];
int ccp = 0;
if ((block[index + 0] = (block[index + 0] *
a->q_intra_matrix[index + 0] + (1 << 15)) >> 16))
ccp |= 8;
if ((block[index + 8] = (block[index + 8] *
a->q_intra_matrix[index + 8] + (1 << 15)) >> 16))
ccp |= 4;
if ((block[index + 1] = (block[index + 1] *
a->q_intra_matrix[index + 1] + (1 << 15)) >> 16))
ccp |= 2;
if ((block[index + 9] = (block[index + 9] *
a->q_intra_matrix[index + 9] + (1 << 15)) >> 16))
ccp |= 1;
assert(i || ccp < 8);
if (i)
put_bits(&a->pb, ff_asv_ac_ccp_tab[ccp][1], ff_asv_ac_ccp_tab[ccp][0]);
else
put_bits(&a->pb, ff_asv_dc_ccp_tab[ccp][1], ff_asv_dc_ccp_tab[ccp][0]);
if (ccp) {
if (ccp & 8)
asv2_put_level(&a->pb, block[index + 0]);
if (ccp & 4)
asv2_put_level(&a->pb, block[index + 8]);
if (ccp & 2)
asv2_put_level(&a->pb, block[index + 1]);
if (ccp & 1)
asv2_put_level(&a->pb, block[index + 9]);
}
}
}
#define MAX_MB_SIZE (30*16*16*3/2/8)
#define MAX_MB_SIZE (30 * 16 * 16 * 3 / 2 / 8)
static inline int encode_mb(ASV1Context *a, int16_t block[6][64]){
static inline int encode_mb(ASV1Context *a, int16_t block[6][64])
{
int i;
if (a->pb.buf_end - a->pb.buf - (put_bits_count(&a->pb)>>3) < MAX_MB_SIZE) {
if (a->pb.buf_end - a->pb.buf - (put_bits_count(&a->pb) >> 3) < MAX_MB_SIZE) {
av_log(a->avctx, AV_LOG_ERROR, "encoded frame too large\n");
return -1;
}
if(a->avctx->codec_id == AV_CODEC_ID_ASV1){
for(i=0; i<6; i++)
if (a->avctx->codec_id == AV_CODEC_ID_ASV1) {
for (i = 0; i < 6; i++)
asv1_encode_block(a, block[i]);
}else{
for(i=0; i<6; i++)
} else {
for (i = 0; i < 6; i++)
asv2_encode_block(a, block[i]);
}
return 0;
......@@ -151,11 +184,11 @@ static inline int encode_mb(ASV1Context *a, int16_t block[6][64]){
static inline void dct_get(ASV1Context *a, const AVFrame *frame,
int mb_x, int mb_y)
{
int16_t (*block)[64]= a->block;
int16_t (*block)[64] = a->block;
int linesize = frame->linesize[0];
int i;
uint8_t *ptr_y = frame->data[0] + (mb_y * 16* linesize ) + mb_x * 16;
uint8_t *ptr_y = frame->data[0] + (mb_y * 16 * linesize) + mb_x * 16;
uint8_t *ptr_cb = frame->data[1] + (mb_y * 8 * frame->linesize[1]) + mb_x * 8;
uint8_t *ptr_cr = frame->data[2] + (mb_y * 8 * frame->linesize[2]) + mb_x * 8;
......@@ -163,13 +196,13 @@ static inline void dct_get(ASV1Context *a, const AVFrame *frame,
a->pdsp.get_pixels(block[1], ptr_y + 8, linesize);
a->pdsp.get_pixels(block[2], ptr_y + 8 * linesize, linesize);
a->pdsp.get_pixels(block[3], ptr_y + 8 * linesize + 8, linesize);
for(i=0; i<4; i++)
for (i = 0; i < 4; i++)
a->fdsp.fdct(block[i]);
if(!(a->avctx->flags&CODEC_FLAG_GRAY)){
if (!(a->avctx->flags & CODEC_FLAG_GRAY)) {
a->pdsp.get_pixels(block[4], ptr_cb, frame->linesize[1]);
a->pdsp.get_pixels(block[5], ptr_cr, frame->linesize[2]);
for(i=4; i<6; i++)
for (i = 4; i < 6; i++)
a->fdsp.fdct(block[i]);
}
}
......@@ -177,12 +210,12 @@ static inline void dct_get(ASV1Context *a, const AVFrame *frame,
static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *pict, int *got_packet)
{
ASV1Context * const a = avctx->priv_data;
ASV1Context *const a = avctx->priv_data;
int size, ret;
int mb_x, mb_y;
if (!pkt->data &&
(ret = av_new_packet(pkt, a->mb_height*a->mb_width*MAX_MB_SIZE +
(ret = av_new_packet(pkt, a->mb_height * a->mb_width * MAX_MB_SIZE +
FF_MIN_BUFFER_SIZE)) < 0) {
av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
return ret;
......@@ -190,24 +223,24 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
init_put_bits(&a->pb, pkt->data, pkt->size);
for(mb_y=0; mb_y<a->mb_height2; mb_y++){
for(mb_x=0; mb_x<a->mb_width2; mb_x++){
for (mb_y = 0; mb_y < a->mb_height2; mb_y++) {
for (mb_x = 0; mb_x < a->mb_width2; mb_x++) {
dct_get(a, pict, mb_x, mb_y);
encode_mb(a, a->block);
}
}
if(a->mb_width2 != a->mb_width){
mb_x= a->mb_width2;
for(mb_y=0; mb_y<a->mb_height2; mb_y++){
if (a->mb_width2 != a->mb_width) {
mb_x = a->mb_width2;
for (mb_y = 0; mb_y < a->mb_height2; mb_y++) {
dct_get(a, pict, mb_x, mb_y);
encode_mb(a, a->block);
}
}
if(a->mb_height2 != a->mb_height){
mb_y= a->mb_height2;
for(mb_x=0; mb_x<a->mb_width; mb_x++){
if (a->mb_height2 != a->mb_height) {
mb_y = a->mb_height2;
for (mb_x = 0; mb_x < a->mb_width; mb_x++) {
dct_get(a, pict, mb_x, mb_y);
encode_mb(a, a->block);
}
......@@ -215,31 +248,32 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
emms_c();
avpriv_align_put_bits(&a->pb);
while(put_bits_count(&a->pb)&31)
while (put_bits_count(&a->pb) & 31)
put_bits(&a->pb, 8, 0);
size= put_bits_count(&a->pb)/32;
size = put_bits_count(&a->pb) / 32;
if(avctx->codec_id == AV_CODEC_ID_ASV1)
if (avctx->codec_id == AV_CODEC_ID_ASV1) {
a->bbdsp.bswap_buf((uint32_t *) pkt->data,
(uint32_t *) pkt->data, size);
else{
} else {
int i;
for(i=0; i<4*size; i++)
for (i = 0; i < 4 * size; i++)
pkt->data[i] = ff_reverse[pkt->data[i]];
}
pkt->size = size*4;
pkt->size = size * 4;
pkt->flags |= AV_PKT_FLAG_KEY;
*got_packet = 1;
return 0;
}
static av_cold int encode_init(AVCodecContext *avctx){
ASV1Context * const a = avctx->priv_data;
static av_cold int encode_init(AVCodecContext *avctx)
{
ASV1Context *const a = avctx->priv_data;
int i;
const int scale= avctx->codec_id == AV_CODEC_ID_ASV1 ? 1 : 2;
const int scale = avctx->codec_id == AV_CODEC_ID_ASV1 ? 1 : 2;
avctx->coded_frame = av_frame_alloc();
if (!avctx->coded_frame)
......@@ -251,22 +285,25 @@ static av_cold int encode_init(AVCodecContext *avctx){
ff_fdctdsp_init(&a->fdsp, avctx);
ff_pixblockdsp_init(&a->pdsp, avctx);
if(avctx->global_quality == 0) avctx->global_quality= 4*FF_QUALITY_SCALE;
if (avctx->global_quality == 0)
avctx->global_quality = 4 * FF_QUALITY_SCALE;
a->inv_qscale= (32*scale*FF_QUALITY_SCALE + avctx->global_quality/2) / avctx->global_quality;
a->inv_qscale = (32 * scale * FF_QUALITY_SCALE +
avctx->global_quality / 2) / avctx->global_quality;
avctx->extradata= av_mallocz(8);
avctx->extradata_size=8;
((uint32_t*)avctx->extradata)[0]= av_le2ne32(a->inv_qscale);
((uint32_t*)avctx->extradata)[1]= av_le2ne32(AV_RL32("ASUS"));
avctx->extradata = av_mallocz(8);
avctx->extradata_size = 8;
((uint32_t *) avctx->extradata)[0] = av_le2ne32(a->inv_qscale);
((uint32_t *) avctx->extradata)[1] = av_le2ne32(AV_RL32("ASUS"));
for(i=0; i<64; i++){
int q= 32*scale*ff_mpeg1_default_intra_matrix[i];
a->q_intra_matrix[i]= ((a->inv_qscale<<16) + q/2) / q;
for (i = 0; i < 64; i++) {
int q = 32 * scale * ff_mpeg1_default_intra_matrix[i];
a->q_intra_matrix[i] = ((a->inv_qscale << 16) + q / 2) / q;
}
return 0;
}
static av_cold int asv_encode_close(AVCodecContext *avctx)
{
av_frame_free(&avctx->coded_frame);
......@@ -284,7 +321,7 @@ AVCodec ff_asv1_encoder = {
.init = encode_init,
.encode2 = encode_frame,
.close = asv_encode_close,
.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P,
.pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV420P,
AV_PIX_FMT_NONE },
};
#endif
......@@ -299,7 +336,7 @@ AVCodec ff_asv2_encoder = {
.init = encode_init,
.encode2 = encode_frame,
.close = asv_encode_close,
.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P,
.pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV420P,
AV_PIX_FMT_NONE },
};
#endif
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment