diff options
-rw-r--r-- | libavcodec/asv.c | 77 | ||||
-rw-r--r-- | libavcodec/asv.h | 2 | ||||
-rw-r--r-- | libavcodec/asvdec.c | 55 | ||||
-rw-r--r-- | libavcodec/asvenc.c | 249 |
4 files changed, 210 insertions, 173 deletions
diff --git a/libavcodec/asv.c b/libavcodec/asv.c index 71c5e5f..b9e93f7 100644 --- a/libavcodec/asv.c +++ b/libavcodec/asv.c @@ -30,65 +30,66 @@ #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); a->mb_width = (avctx->width + 15) / 16; a->mb_height = (avctx->height + 15) / 16; - a->mb_width2 = (avctx->width + 0) / 16; - a->mb_height2 = (avctx->height + 0) / 16; + a->mb_width2 = (avctx->width + 0) / 16; + a->mb_height2 = (avctx->height + 0) / 16; - a->avctx= avctx; + a->avctx = avctx; } diff --git a/libavcodec/asv.h b/libavcodec/asv.h index 9ae3737..18f7a95 100644 --- a/libavcodec/asv.h +++ b/libavcodec/asv.h @@ -39,7 +39,7 @@ #include "pixblockdsp.h" #include "put_bits.h" -typedef struct ASV1Context{ +typedef struct ASV1Context { AVCodecContext *avctx; BlockDSPContext bdsp; BswapDSPContext bbdsp; diff --git a/libavcodec/asvdec.c b/libavcodec/asvdec.c index 252f88a..9d1be5f 100644 --- a/libavcodec/asvdec.c +++ b/libavcodec/asvdec.c @@ -35,7 +35,7 @@ #include "mathops.h" #include "mpeg12data.h" -#define VLC_BITS 6 +#define VLC_BITS 6 #define ASV2_LEVEL_VLC_BITS 10 static VLC ccp_vlc; @@ -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; } } @@ -184,32 +184,31 @@ 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; - int linesize = frame->linesize[0]; + 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_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; + 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; a->idsp.idct_put(dest_y, linesize, block[0]); a->idsp.idct_put(dest_y + 8, linesize, block[1]); 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; - const uint8_t *buf = avpkt->data; - int buf_size = avpkt->size; - AVFrame * const p = data; + ASV1Context *const a = avctx->priv_data; + const uint8_t *buf = avpkt->data; + int buf_size = avpkt->size; + 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++) { @@ -273,8 +272,8 @@ static int decode_frame(AVCodecContext *avctx, static av_cold int decode_init(AVCodecContext *avctx) { - ASV1Context * const a = avctx->priv_data; - const int scale = avctx->codec_id == AV_CODEC_ID_ASV1 ? 1 : 2; + ASV1Context *const a = avctx->priv_data; + const int scale = avctx->codec_id == AV_CODEC_ID_ASV1 ? 1 : 2; int i; if (avctx->extradata_size < 1) { @@ -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, }; - diff --git a/libavcodec/asvenc.c b/libavcodec/asvenc.c index 9944ffa..98baaec 100644 --- a/libavcodec/asvenc.c +++ b/libavcodec/asvenc.c @@ -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; @@ -151,25 +184,25 @@ 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_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; + 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; a->pdsp.get_pixels(block[0], ptr_y, linesize); 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]); } } @@ -177,37 +210,37 @@ 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 + - FF_MIN_BUFFER_SIZE)) < 0) { + (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; } 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); @@ -284,8 +321,8 @@ AVCodec ff_asv1_encoder = { .init = encode_init, .encode2 = encode_frame, .close = asv_encode_close, - .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, - AV_PIX_FMT_NONE }, + .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, - AV_PIX_FMT_NONE }, + .pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV420P, + AV_PIX_FMT_NONE }, }; #endif |