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[104.173.251.254]) by smtp.gmail.com with ESMTPSA id y24sm29741416pfr.116.2019.11.06.08.53.26 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 06 Nov 2019 08:53:26 -0800 (PST) From: Baptiste Coudurier To: ffmpeg-devel@ffmpeg.org Date: Wed, 6 Nov 2019 08:53:24 -0800 Message-Id: <20191106165324.54938-1-baptiste.coudurier@gmail.com> X-Mailer: git-send-email 2.21.0 (Apple Git-122) MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH] avcodec/dvenc: support encoding and muxing dvcprohd X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Cc: Baptiste Coudurier Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" --- libavcodec/dv.h | 1 + libavcodec/dvenc.c | 555 ++++++++++++++++++++++++++++---- libavformat/dvenc.c | 48 ++- tests/fate/vcodec.mak | 14 +- tests/ref/vsynth/vsynth1-dv-fhd | 4 + tests/ref/vsynth/vsynth1-dv-hd | 4 + tests/ref/vsynth/vsynth2-dv-fhd | 4 + tests/ref/vsynth/vsynth2-dv-hd | 4 + tests/ref/vsynth/vsynth3-dv-fhd | 4 + tests/ref/vsynth/vsynth3-dv-hd | 4 + 10 files changed, 560 insertions(+), 82 deletions(-) create mode 100644 tests/ref/vsynth/vsynth1-dv-fhd create mode 100644 tests/ref/vsynth/vsynth1-dv-hd create mode 100644 tests/ref/vsynth/vsynth2-dv-fhd create mode 100644 tests/ref/vsynth/vsynth2-dv-hd create mode 100644 tests/ref/vsynth/vsynth3-dv-fhd create mode 100644 tests/ref/vsynth/vsynth3-dv-hd diff --git a/libavcodec/dv.h b/libavcodec/dv.h index 7ef5b7c552..0205d72347 100644 --- a/libavcodec/dv.h +++ b/libavcodec/dv.h @@ -83,6 +83,7 @@ enum dv_pack_type { #define DV_PROFILE_IS_HD(p) ((p)->video_stype & 0x10) #define DV_PROFILE_IS_1080i50(p) (((p)->video_stype == 0x14) && ((p)->dsf == 1)) +#define DV_PROFILE_IS_1080i60(p) (((p)->video_stype == 0x14) && ((p)->dsf == 0)) #define DV_PROFILE_IS_720p50(p) (((p)->video_stype == 0x18) && ((p)->dsf == 1)) /** diff --git a/libavcodec/dvenc.c b/libavcodec/dvenc.c index ce2fc75daa..3afeb5ebb8 100644 --- a/libavcodec/dvenc.c +++ b/libavcodec/dvenc.c @@ -60,10 +60,7 @@ static av_cold int dvvideo_encode_init(AVCodecContext *avctx) ff_dv_print_profiles(avctx, AV_LOG_ERROR); return AVERROR(EINVAL); } - if (avctx->height > 576) { - av_log(avctx, AV_LOG_ERROR, "DVCPRO HD encoding is not supported.\n"); - return AVERROR_PATCHWELCOME; - } + ret = ff_dv_init_dynamic_tables(s, s->sys); if (ret < 0) { av_log(avctx, AV_LOG_ERROR, "Error initializing work tables.\n"); @@ -90,6 +87,7 @@ static av_cold int dvvideo_encode_init(AVCodecContext *avctx) } /* bit budget for AC only in 5 MBs */ +static const int vs_total_ac_bits_hd = (68 * 6 + 52*2) * 5; static const int vs_total_ac_bits = (100 * 4 + 68 * 2) * 5; static const int mb_area_start[5] = { 1, 6, 21, 43, 64 }; @@ -158,6 +156,11 @@ typedef struct EncBlockInfo { uint8_t sign[64]; uint8_t partial_bit_count; uint32_t partial_bit_buffer; /* we can't use uint16_t here */ + /* used by DV100 only: a copy of the weighted and classified but + not-yet-quantized AC coefficients. This is necessary for + re-quantizing at different steps. */ + int16_t save[64]; + int min_qlevel; /* DV100 only: minimum qlevel (for AC coefficients >255) */ } EncBlockInfo; static av_always_inline PutBitContext *dv_encode_ac(EncBlockInfo *bi, @@ -243,13 +246,123 @@ static const int dv_weight_248[64] = { 170627, 170627, 153560, 153560, 165371, 165371, 144651, 144651, }; -static av_always_inline int dv_init_enc_block(EncBlockInfo *bi, uint8_t *data, - ptrdiff_t linesize, - DVVideoContext *s, int bias) +/* setting this to 1 results in a faster codec but + * somewhat lower image quality */ +#define DV100_SACRIFICE_QUALITY_FOR_SPEED 1 +#define DV100_ENABLE_FINER 1 + +/* pack combination of QNO and CNO into a single 8-bit value */ +#define DV100_MAKE_QLEVEL(qno,cno) ((qno<<2) | (cno)) +#define DV100_QLEVEL_QNO(qlevel) (qlevel>>2) +#define DV100_QLEVEL_CNO(qlevel) (qlevel&0x3) + +#define DV100_NUM_QLEVELS 31 + +/* The quantization step is determined by a combination of QNO and + CNO. We refer to these combinations as "qlevels" (this term is our + own, it's not mentioned in the spec). We use CNO, a multiplier on + the quantization step, to "fill in the gaps" between quantization + steps associated with successive values of QNO. e.g. there is no + QNO for a quantization step of 10, but we can use QNO=5 CNO=1 to + get the same result. The table below encodes combinations of QNO + and CNO in order of increasing quantization coarseness. */ +static const uint8_t dv100_qlevels[DV100_NUM_QLEVELS] = { + DV100_MAKE_QLEVEL( 1,0), // 1*1= 1 + DV100_MAKE_QLEVEL( 1,0), // 1*1= 1 + DV100_MAKE_QLEVEL( 2,0), // 2*1= 2 + DV100_MAKE_QLEVEL( 3,0), // 3*1= 3 + DV100_MAKE_QLEVEL( 4,0), // 4*1= 4 + DV100_MAKE_QLEVEL( 5,0), // 5*1= 5 + DV100_MAKE_QLEVEL( 6,0), // 6*1= 6 + DV100_MAKE_QLEVEL( 7,0), // 7*1= 7 + DV100_MAKE_QLEVEL( 8,0), // 8*1= 8 + DV100_MAKE_QLEVEL( 5,1), // 5*2=10 + DV100_MAKE_QLEVEL( 6,1), // 6*2=12 + DV100_MAKE_QLEVEL( 7,1), // 7*2=14 + DV100_MAKE_QLEVEL( 9,0), // 16*1=16 + DV100_MAKE_QLEVEL(10,0), // 18*1=18 + DV100_MAKE_QLEVEL(11,0), // 20*1=20 + DV100_MAKE_QLEVEL(12,0), // 22*1=22 + DV100_MAKE_QLEVEL(13,0), // 24*1=24 + DV100_MAKE_QLEVEL(14,0), // 28*1=28 + DV100_MAKE_QLEVEL( 9,1), // 16*2=32 + DV100_MAKE_QLEVEL(10,1), // 18*2=36 + DV100_MAKE_QLEVEL(11,1), // 20*2=40 + DV100_MAKE_QLEVEL(12,1), // 22*2=44 + DV100_MAKE_QLEVEL(13,1), // 24*2=48 + DV100_MAKE_QLEVEL(15,0), // 52*1=52 + DV100_MAKE_QLEVEL(14,1), // 28*2=56 + DV100_MAKE_QLEVEL( 9,2), // 16*4=64 + DV100_MAKE_QLEVEL(10,2), // 18*4=72 + DV100_MAKE_QLEVEL(11,2), // 20*4=80 + DV100_MAKE_QLEVEL(12,2), // 22*4=88 + DV100_MAKE_QLEVEL(13,2), // 24*4=96 + // ... + DV100_MAKE_QLEVEL(15,3), // 52*8=416 +}; + +static const int dv100_min_bias = 0; +static const int dv100_chroma_bias = 0; +static const int dv100_starting_qno = 1; + +#if DV100_SACRIFICE_QUALITY_FOR_SPEED +static const int dv100_qlevel_inc = 4; +#else +static const int dv100_qlevel_inc = 1; +#endif + +// 1/qstep, shifted up by 16 bits +static const int dv100_qstep_bits = 16; +static const int dv100_qstep_inv[16] = { + 65536, 65536, 32768, 21845, 16384, 13107, 10923, 9362, 8192, 4096, 3641, 3277, 2979, 2731, 2341, 1260, +}; + +/* DV100 weights are pre-zigzagged, inverted and multiplied by 2^(dv100_weight_shift) + (in DV100 the AC components are divided by the spec weights) */ +static const int dv100_weight_shift = 16; +static const int dv_weight_1080[2][64] = { + { 8192, 65536, 65536, 61681, 61681, 61681, 58254, 58254, + 58254, 58254, 58254, 58254, 55188, 58254, 58254, 55188, + 55188, 55188, 55188, 55188, 55188, 24966, 27594, 26214, + 26214, 26214, 27594, 24966, 23831, 24385, 25575, 25575, + 25575, 25575, 24385, 23831, 23302, 23302, 24966, 24966, + 24966, 23302, 23302, 21845, 22795, 24385, 24385, 22795, + 21845, 21400, 21845, 23831, 21845, 21400, 10382, 10700, + 10700, 10382, 10082, 9620, 10082, 9039, 9039, 8525, }, + { 8192, 65536, 65536, 61681, 61681, 61681, 41943, 41943, + 41943, 41943, 40330, 41943, 40330, 41943, 40330, 40330, + 40330, 38836, 38836, 40330, 40330, 24966, 27594, 26214, + 26214, 26214, 27594, 24966, 23831, 24385, 25575, 25575, + 25575, 25575, 24385, 23831, 11523, 11523, 12483, 12483, + 12483, 11523, 11523, 10923, 11275, 12193, 12193, 11275, + 10923, 5323, 5490, 5924, 5490, 5323, 5165, 5323, + 5323, 5165, 5017, 4788, 5017, 4520, 4520, 4263, } +}; + +static const int dv_weight_720[2][64] = { + { 8192, 65536, 65536, 61681, 61681, 61681, 58254, 58254, + 58254, 58254, 58254, 58254, 55188, 58254, 58254, 55188, + 55188, 55188, 55188, 55188, 55188, 24966, 27594, 26214, + 26214, 26214, 27594, 24966, 23831, 24385, 25575, 25575, + 25575, 25575, 24385, 23831, 15420, 15420, 16644, 16644, + 16644, 15420, 15420, 10923, 11398, 12193, 12193, 11398, + 10923, 10700, 10923, 11916, 10923, 10700, 5191, 5350, + 5350, 5191, 5041, 4810, 5041, 4520, 4520, 4263, }, + { 8192, 43691, 43691, 40330, 40330, 40330, 29127, 29127, + 29127, 29127, 29127, 29127, 27594, 29127, 29127, 27594, + 27594, 27594, 27594, 27594, 27594, 12483, 13797, 13107, + 13107, 13107, 13797, 12483, 11916, 12193, 12788, 12788, + 12788, 12788, 12193, 11916, 5761, 5761, 6242, 6242, + 6242, 5761, 5761, 5461, 5638, 5461, 6096, 5638, + 5461, 2661, 2745, 2962, 2745, 2661, 2583, 2661, + 2661, 2583, 2509, 2394, 2509, 2260, 2260, 2131, } +}; + +static av_always_inline int dv_set_class_number_sd(DVVideoContext *s, + int16_t *blk, EncBlockInfo *bi, + const uint8_t *zigzag_scan, + const int *weight, int bias) { - const int *weight; - const uint8_t *zigzag_scan; - LOCAL_ALIGNED_16(int16_t, blk, [64]); int i, area; /* We offer two different methods for class number assignment: the * method suggested in SMPTE 314M Table 22, and an improved @@ -271,31 +384,8 @@ static av_always_inline int dv_init_enc_block(EncBlockInfo *bi, uint8_t *data, const unsigned deadzone = s->quant_deadzone; const unsigned threshold = 2 * deadzone; - av_assert2((((int) blk) & 15) == 0); - - bi->area_q[0] = - bi->area_q[1] = - bi->area_q[2] = - bi->area_q[3] = 0; - bi->partial_bit_count = 0; - bi->partial_bit_buffer = 0; - bi->cur_ac = 0; - if (data) { - bi->dct_mode = dv_guess_dct_mode(s, data, linesize); - s->get_pixels(blk, data, linesize); - s->fdct[bi->dct_mode](blk); - } else { - /* We rely on the fact that encoding all zeros leads to an immediate - * EOB, which is precisely what the spec calls for in the "dummy" - * blocks. */ - memset(blk, 0, 64 * sizeof(*blk)); - bi->dct_mode = 0; - } bi->mb[0] = blk[0]; - zigzag_scan = bi->dct_mode ? ff_dv_zigzag248_direct : ff_zigzag_direct; - weight = bi->dct_mode ? dv_weight_248 : dv_weight_88; - for (area = 0; area < 4; area++) { bi->prev[area] = prev; bi->bit_size[area] = 1; // 4 areas 4 bits for EOB :) @@ -350,6 +440,309 @@ static av_always_inline int dv_init_enc_block(EncBlockInfo *bi, uint8_t *data, bi->bit_size[2] + bi->bit_size[3]; } +/* this function just copies the DCT coefficients and performs + the initial (non-)quantization. */ +static inline void dv_set_class_number_hd(DVVideoContext *s, + int16_t *blk, EncBlockInfo *bi, + const uint8_t *zigzag_scan, + const int *weight, int bias) +{ + int i, max = 0; + + /* the first quantization (none at all) */ + bi->area_q[0] = 1; + + /* weigh AC components and store to save[] */ + /* (i=0 is the DC component; we only include it to make the + number of loop iterations even, for future possible SIMD optimization) */ + for (i = 0; i < 64; i += 2) { + int level0, level1; + + /* get the AC component (in zig-zag order) */ + level0 = blk[zigzag_scan[i+0]]; + level1 = blk[zigzag_scan[i+1]]; + + /* extract sign and make it the lowest bit */ + bi->sign[i+0] = (level0>>31)&1; + bi->sign[i+1] = (level1>>31)&1; + + /* take absolute value of the level */ + level0 = FFABS(level0); + level1 = FFABS(level1); + + /* weigh it */ + level0 = (level0*weight[i+0] + 4096 + (1<<17)) >> 18; + level1 = (level1*weight[i+1] + 4096 + (1<<17)) >> 18; + + /* save unquantized value */ + bi->save[i+0] = level0; + bi->save[i+1] = level1; + + /* find max component */ + if (bi->save[i+0] > max) + max = bi->save[i+0]; + if (bi->save[i+1] > max) + max = bi->save[i+1]; + } + + /* copy DC component */ + bi->mb[0] = blk[0]; + + /* the EOB code is 4 bits */ + bi->bit_size[0] = 4; + bi->bit_size[1] = bi->bit_size[2] = bi->bit_size[3] = 0; + + /* ensure that no AC coefficients are cut off */ + bi->min_qlevel = ((max+256) >> 8); + + bi->area_q[0] = 25; /* set to an "impossible" value */ + bi->cno = 0; +} + +static av_always_inline int dv_init_enc_block(EncBlockInfo* bi, uint8_t *data, int linesize, + DVVideoContext *s, int chroma) +{ + LOCAL_ALIGNED_16(int16_t, blk, [64]); + + bi->area_q[0] = bi->area_q[1] = bi->area_q[2] = bi->area_q[3] = 0; + bi->partial_bit_count = 0; + bi->partial_bit_buffer = 0; + bi->cur_ac = 0; + + if (data) { + if (DV_PROFILE_IS_HD(s->sys)) { + s->get_pixels(blk, data, linesize << bi->dct_mode); + s->fdct[0](blk); + } else { + bi->dct_mode = dv_guess_dct_mode(s, data, linesize); + s->get_pixels(blk, data, linesize); + s->fdct[bi->dct_mode](blk); + } + } else { + /* We rely on the fact that encoding all zeros leads to an immediate EOB, + which is precisely what the spec calls for in the "dummy" blocks. */ + memset(blk, 0, 64*sizeof(*blk)); + bi->dct_mode = 0; + } + + if (DV_PROFILE_IS_HD(s->sys)) { + const int *weights; + if (s->sys->height == 1080) { + weights = dv_weight_1080[chroma]; + } else { /* 720p */ + weights = dv_weight_720[chroma]; + } + dv_set_class_number_hd(s, blk, bi, + ff_zigzag_direct, + weights, + dv100_min_bias+chroma*dv100_chroma_bias); + } else { + dv_set_class_number_sd(s, blk, bi, + bi->dct_mode ? ff_dv_zigzag248_direct : ff_zigzag_direct, + bi->dct_mode ? dv_weight_248 : dv_weight_88, + chroma); + } + + return bi->bit_size[0] + bi->bit_size[1] + bi->bit_size[2] + bi->bit_size[3]; +} + +/* DV100 quantize + Perform quantization by divinding the AC component by the qstep. + As an optimization we use a fixed-point integer multiply instead + of a divide. */ +static av_always_inline int dv100_quantize(int level, int qsinv) +{ + /* this code is equivalent to */ + /* return (level + qs/2) / qs; */ + + return (level * qsinv + 1024 + (1<<(dv100_qstep_bits-1))) >> dv100_qstep_bits; + + /* the extra +1024 is needed to make the rounding come out right. */ + + /* I (DJM) have verified that the results are exactly the same as + division for level 0-2048 at all QNOs. */ +} + +static int dv100_actual_quantize(EncBlockInfo *b, int qlevel) +{ + int prev, k, qsinv; + + int qno = DV100_QLEVEL_QNO(dv100_qlevels[qlevel]); + int cno = DV100_QLEVEL_CNO(dv100_qlevels[qlevel]); + + if (b->area_q[0] == qno && b->cno == cno) + return b->bit_size[0]; + + qsinv = dv100_qstep_inv[qno]; + + /* record the new qstep */ + b->area_q[0] = qno; + b->cno = cno; + + /* reset encoded size (EOB = 4 bits) */ + b->bit_size[0] = 4; + + /* visit nonzero components and quantize */ + prev = 0; + for (k = 1; k < 64; k++) { + /* quantize */ + int ac = dv100_quantize(b->save[k], qsinv) >> cno; + if (ac) { + if (ac > 255) + ac = 255; + b->mb[k] = ac; + b->bit_size[0] += dv_rl2vlc_size(k - prev - 1, ac); + b->next[prev] = k; + prev = k; + } + } + b->next[prev] = k; + + return b->bit_size[0]; +} + +static inline void dv_guess_qnos_hd(EncBlockInfo *blks, int *qnos) +{ + EncBlockInfo *b; + int min_qlevel[5]; + int qlevels[5]; + int size[5]; + int i, j; + /* cache block sizes at hypothetical qlevels */ + uint16_t size_cache[5*8][DV100_NUM_QLEVELS] = {{0}}; + + /* get minimum qlevels */ + for (i = 0; i < 5; i++) { + min_qlevel[i] = 1; + for (j = 0; j < 8; j++) { + if (blks[8*i+j].min_qlevel > min_qlevel[i]) + min_qlevel[i] = blks[8*i+j].min_qlevel; + } + } + + /* initialize sizes */ + for (i = 0; i < 5; i++) { + qlevels[i] = dv100_starting_qno; + if (qlevels[i] < min_qlevel[i]) + qlevels[i] = min_qlevel[i]; + + qnos[i] = DV100_QLEVEL_QNO(dv100_qlevels[qlevels[i]]); + size[i] = 0; + for (j = 0; j < 8; j++) { + size_cache[8*i+j][qlevels[i]] = dv100_actual_quantize(&blks[8*i+j], qlevels[i]); + size[i] += size_cache[8*i+j][qlevels[i]]; + } + } + + /* must we go coarser? */ + if (size[0]+size[1]+size[2]+size[3]+size[4] > vs_total_ac_bits_hd) { + int largest = size[0] % 5; /* 'random' number */ + int qlevels_done = 0; + + do { + /* find the macroblock with the lowest qlevel */ + for (i = 0; i < 5; i++) { + if (qlevels[i] < qlevels[largest]) + largest = i; + } + + i = largest; + /* ensure that we don't enter infinite loop */ + largest = (largest+1) % 5; + + /* quantize a little bit more */ + qlevels[i] += dv100_qlevel_inc; + if (qlevels[i] > DV100_NUM_QLEVELS-1) { + qlevels[i] = DV100_NUM_QLEVELS-1; + qlevels_done++; + } + + qnos[i] = DV100_QLEVEL_QNO(dv100_qlevels[qlevels[i]]); + size[i] = 0; + + /* for each block */ + b = &blks[8*i]; + for (j = 0; j < 8; j++, b++) { + /* accumulate block size into macroblock */ + if(size_cache[8*i+j][qlevels[i]] == 0) { + /* it is safe to use actual_quantize() here because we only go from finer to coarser, + and it saves the final actual_quantize() down below */ + size_cache[8*i+j][qlevels[i]] = dv100_actual_quantize(b, qlevels[i]); + } + size[i] += size_cache[8*i+j][qlevels[i]]; + } /* for each block */ + + } while (vs_total_ac_bits_hd < size[0] + size[1] + size[2] + size[3] + size[4] && qlevels_done < 5); + + // can we go finer? + } else if (DV100_ENABLE_FINER && + size[0]+size[1]+size[2]+size[3]+size[4] < vs_total_ac_bits_hd) { + int save_qlevel; + int largest = size[0] % 5; /* 'random' number */ + + while (qlevels[0] > min_qlevel[0] || + qlevels[1] > min_qlevel[1] || + qlevels[2] > min_qlevel[2] || + qlevels[3] > min_qlevel[3] || + qlevels[4] > min_qlevel[4]) { + + /* find the macroblock with the highest qlevel */ + for (i = 0; i < 5; i++) { + if (qlevels[i] > min_qlevel[i] && qlevels[i] > qlevels[largest]) + largest = i; + } + + i = largest; + + /* ensure that we don't enter infinite loop */ + largest = (largest+1) % 5; + + if (qlevels[i] <= min_qlevel[i]) { + /* can't unquantize any more */ + continue; + } + /* quantize a little bit less */ + save_qlevel = qlevels[i]; + qlevels[i] -= dv100_qlevel_inc; + if (qlevels[i] < min_qlevel[i]) + qlevels[i] = min_qlevel[i]; + + qnos[i] = DV100_QLEVEL_QNO(dv100_qlevels[qlevels[i]]); + + size[i] = 0; + + /* for each block */ + b = &blks[8*i]; + for (j = 0; j < 8; j++, b++) { + /* accumulate block size into macroblock */ + if(size_cache[8*i+j][qlevels[i]] == 0) { + size_cache[8*i+j][qlevels[i]] = dv100_actual_quantize(b, qlevels[i]); + } + size[i] += size_cache[8*i+j][qlevels[i]]; + } /* for each block */ + + /* did we bust the limit? */ + if (vs_total_ac_bits_hd < size[0] + size[1] + size[2] + size[3] + size[4]) { + /* go back down and exit */ + qlevels[i] = save_qlevel; + qnos[i] = DV100_QLEVEL_QNO(dv100_qlevels[qlevels[i]]); + break; + } + } + } + + /* now do the actual quantization */ + for (i = 0; i < 5; i++) { + /* for each block */ + b = &blks[8*i]; + size[i] = 0; + for (j = 0; j < 8; j++, b++) { + /* accumulate block size into macroblock */ + size[i] += dv100_actual_quantize(b, qlevels[i]); + } /* for each block */ + } +} + static inline void dv_guess_qnos(EncBlockInfo *blks, int *qnos) { int size[5]; @@ -422,6 +815,26 @@ static inline void dv_guess_qnos(EncBlockInfo *blks, int *qnos) } } +/* update all cno values into the blocks, over-writing the old values without + touching anything else. (only used for DV100) */ +static inline void dv_revise_cnos(uint8_t *dif, EncBlockInfo *blk, const AVDVProfile *profile) +{ + uint8_t *data; + int mb_index, i; + + for (mb_index = 0; mb_index < 5; mb_index++) { + data = dif + mb_index*80 + 4; + for (i = 0; i < profile->bpm; i++) { + /* zero out the class number */ + data[1] &= 0xCF; + /* add the new one */ + data[1] |= blk[profile->bpm*mb_index+i].cno << 4; + + data += profile->block_sizes[i] >> 3; + } + } +} + static int dv_encode_video_segment(AVCodecContext *avctx, void *arg) { DVVideoContext *s = avctx->priv_data; @@ -430,26 +843,38 @@ static int dv_encode_video_segment(AVCodecContext *avctx, void *arg) int mb_x, mb_y, c_offset; ptrdiff_t linesize, y_stride; uint8_t *y_ptr; - uint8_t *dif; + uint8_t *dif, *p; LOCAL_ALIGNED_8(uint8_t, scratch, [128]); EncBlockInfo enc_blks[5 * DV_MAX_BPM]; PutBitContext pbs[5 * DV_MAX_BPM]; PutBitContext *pb; EncBlockInfo *enc_blk; int vs_bit_size = 0; - int qnos[5] = { 15, 15, 15, 15, 15 }; /* No quantization */ + int qnos[5]; int *qnosp = &qnos[0]; - dif = &s->buf[work_chunk->buf_offset * 80]; + p = dif = &s->buf[work_chunk->buf_offset * 80]; enc_blk = &enc_blks[0]; for (mb_index = 0; mb_index < 5; mb_index++) { dv_calculate_mb_xy(s, work_chunk, mb_index, &mb_x, &mb_y); + qnos[mb_index] = DV_PROFILE_IS_HD(s->sys) ? 1 : 15; + + y_ptr = s->frame->data[0] + ((mb_y * s->frame->linesize[0] + mb_x) << 3); + linesize = s->frame->linesize[0]; + + if (s->sys->height == 1080 && mb_y < 134) + enc_blk->dct_mode = dv_guess_dct_mode(s, y_ptr, linesize); + else + enc_blk->dct_mode = 0; + for (i = 1; i < 8; i++) + enc_blk[i].dct_mode = enc_blk->dct_mode; + /* initializing luminance blocks */ if ((s->sys->pix_fmt == AV_PIX_FMT_YUV420P) || (s->sys->pix_fmt == AV_PIX_FMT_YUV411P && mb_x >= (704 / 8)) || (s->sys->height >= 720 && mb_y != 134)) { - y_stride = s->frame->linesize[0] << 3; + y_stride = s->frame->linesize[0] << (3*!enc_blk->dct_mode); } else { y_stride = 16; } @@ -478,7 +903,7 @@ static int dv_encode_video_segment(AVCodecContext *avctx, void *arg) for (j = 2; j; j--) { uint8_t *c_ptr = s->frame->data[j] + c_offset; linesize = s->frame->linesize[j]; - y_stride = (mb_y == 134) ? 8 : (s->frame->linesize[j] << 3); + y_stride = (mb_y == 134) ? 8 : (s->frame->linesize[j] << (3*!enc_blk->dct_mode)); if (s->sys->pix_fmt == AV_PIX_FMT_YUV411P && mb_x >= (704 / 8)) { uint8_t *d; uint8_t *b = scratch; @@ -506,27 +931,31 @@ static int dv_encode_video_segment(AVCodecContext *avctx, void *arg) } } - if (vs_total_ac_bits < vs_bit_size) + if (DV_PROFILE_IS_HD(s->sys)) { + /* unconditional */ + dv_guess_qnos_hd(&enc_blks[0], qnosp); + } else if (vs_total_ac_bits < vs_bit_size) { dv_guess_qnos(&enc_blks[0], qnosp); + } /* DIF encoding process */ for (j = 0; j < 5 * s->sys->bpm;) { int start_mb = j; - dif[3] = *qnosp++; - dif += 4; + p[3] = *qnosp++; + p += 4; /* First pass over individual cells only */ for (i = 0; i < s->sys->bpm; i++, j++) { int sz = s->sys->block_sizes[i] >> 3; - init_put_bits(&pbs[j], dif, sz); + init_put_bits(&pbs[j], p, sz); put_sbits(&pbs[j], 9, ((enc_blks[j].mb[0] >> 3) - 1024 + 2) >> 2); - put_bits(&pbs[j], 1, enc_blks[j].dct_mode); + put_bits(&pbs[j], 1, DV_PROFILE_IS_HD(s->sys) && i ? 1 : enc_blks[j].dct_mode); put_bits(&pbs[j], 2, enc_blks[j].cno); dv_encode_ac(&enc_blks[j], &pbs[j], &pbs[j + 1]); - dif += sz; + p += sz; } /* Second pass over each MB space */ @@ -559,6 +988,9 @@ static int dv_encode_video_segment(AVCodecContext *avctx, void *arg) memset(pbs[j].buf + pos, 0xff, size - pos); } + if (DV_PROFILE_IS_HD(s->sys)) + dv_revise_cnos(dif, enc_blks, s->sys); + return 0; } @@ -583,12 +1015,19 @@ static inline int dv_write_pack(enum dv_pack_type pack_id, DVVideoContext *c, * 2. It is not at all clear what STYPE is used for 4:2:0 PAL * compression scheme (if any). */ + uint8_t aspect = 0; int apt = (c->sys->pix_fmt == AV_PIX_FMT_YUV420P ? 0 : 1); - int fs = c->frame->top_field_first ? 0x00 : 0x40; + int fs; - uint8_t aspect = 0; - if ((int) (av_q2d(c->avctx->sample_aspect_ratio) * - c->avctx->width / c->avctx->height * 10) >= 17) /* 16:9 */ + if (c->avctx->height >= 720) + fs = c->avctx->height == 720 || c->frame->top_field_first ? 0x40 : 0x00; + else + fs = c->frame->top_field_first ? 0x00 : 0x40; + + if (DV_PROFILE_IS_HD(c->sys) || + (int)(av_q2d(c->avctx->sample_aspect_ratio) * + c->avctx->width / c->avctx->height * 10) >= 17) + /* HD formats are always 16:9 */ aspect = 0x02; buf[0] = (uint8_t) pack_id; @@ -643,10 +1082,14 @@ static inline int dv_write_dif_id(enum dv_section_type t, uint8_t chan_num, uint8_t seq_num, uint8_t dif_num, uint8_t *buf) { + int fsc = chan_num & 1; + int fsp = 1 - (chan_num >> 1); + buf[0] = (uint8_t) t; /* Section type */ buf[1] = (seq_num << 4) | /* DIF seq number 0-9 for 525/60; 0-11 for 625/50 */ - (chan_num << 3) | /* FSC: for 50Mb/s 0 - first channel; 1 - second */ - 7; /* reserved -- always 1 */ + (fsc << 3) | /* FSC: for 50 and 100Mb/s 0 - first channel; 1 - second */ + (fsp << 2) | /* FSP: for 100Mb/s 1 - channels 0-1; 0 - channels 2-3 */ + 3; /* reserved -- always 1 */ buf[2] = dif_num; /* DIF block number Video: 0-134, Audio: 0-8 */ return 3; } @@ -674,20 +1117,22 @@ static inline int dv_write_ssyb_id(uint8_t syb_num, uint8_t fr, uint8_t *buf) static void dv_format_frame(DVVideoContext *c, uint8_t *buf) { int chan, i, j, k; + /* We work with 720p frames split in half. The odd half-frame is chan 2,3 */ + int chan_offset = 2*(c->sys->height == 720 && c->avctx->frame_number & 1); for (chan = 0; chan < c->sys->n_difchan; chan++) { for (i = 0; i < c->sys->difseg_size; i++) { memset(buf, 0xff, 80 * 6); /* first 6 DIF blocks are for control data */ /* DV header: 1DIF */ - buf += dv_write_dif_id(dv_sect_header, chan, i, 0, buf); + buf += dv_write_dif_id(dv_sect_header, chan+chan_offset, i, 0, buf); buf += dv_write_pack((c->sys->dsf ? dv_header625 : dv_header525), c, buf); buf += 72; /* unused bytes */ /* DV subcode: 2DIFs */ for (j = 0; j < 2; j++) { - buf += dv_write_dif_id(dv_sect_subcode, chan, i, j, buf); + buf += dv_write_dif_id(dv_sect_subcode, chan+chan_offset, i, j, buf); for (k = 0; k < 6; k++) buf += dv_write_ssyb_id(k, (i < c->sys->difseg_size / 2), buf) + 5; buf += 29; /* unused bytes */ @@ -695,7 +1140,7 @@ static void dv_format_frame(DVVideoContext *c, uint8_t *buf) /* DV VAUX: 3DIFS */ for (j = 0; j < 3; j++) { - buf += dv_write_dif_id(dv_sect_vaux, chan, i, j, buf); + buf += dv_write_dif_id(dv_sect_vaux, chan+chan_offset, i, j, buf); buf += dv_write_pack(dv_video_source, c, buf); buf += dv_write_pack(dv_video_control, c, buf); buf += 7 * 5; @@ -708,10 +1153,10 @@ static void dv_format_frame(DVVideoContext *c, uint8_t *buf) for (j = 0; j < 135; j++) { if (j % 15 == 0) { memset(buf, 0xff, 80); - buf += dv_write_dif_id(dv_sect_audio, chan, i, j / 15, buf); + buf += dv_write_dif_id(dv_sect_audio, chan+chan_offset, i, j/15, buf); buf += 77; /* audio control & shuffled PCM audio */ } - buf += dv_write_dif_id(dv_sect_video, chan, i, j, buf); + buf += dv_write_dif_id(dv_sect_video, chan+chan_offset, i, j, buf); buf += 77; /* 1 video macroblock: 1 bytes control * 4 * 14 bytes Y 8x8 data * 10 bytes Cr 8x8 data diff --git a/libavformat/dvenc.c b/libavformat/dvenc.c index 93c103b316..a7d1413eb2 100644 --- a/libavformat/dvenc.c +++ b/libavformat/dvenc.c @@ -28,7 +28,6 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include -#include #include "avformat.h" #include "internal.h" @@ -48,8 +47,8 @@ struct DVMuxContext { AVClass *av_class; const AVDVProfile* sys; /* current DV profile, e.g.: 525/60, 625/50 */ int n_ast; /* number of stereo audio streams (up to 2) */ - AVStream *ast[2]; /* stereo audio streams */ - AVFifoBuffer *audio_data[2]; /* FIFO for storing excessive amounts of PCM */ + AVStream *ast[4]; /* stereo audio streams */ + AVFifoBuffer *audio_data[4]; /* FIFO for storing excessive amounts of PCM */ int frames; /* current frame number */ int64_t start_time; /* recording start time */ int has_audio; /* frame under construction has audio */ @@ -87,14 +86,12 @@ static int dv_audio_frame_size(const AVDVProfile* sys, int frame, int sample_rat sizeof(sys->audio_samples_dist[0]))]; } -static int dv_write_pack(enum dv_pack_type pack_id, DVMuxContext *c, uint8_t* buf, ...) +static int dv_write_pack(enum dv_pack_type pack_id, DVMuxContext *c, uint8_t* buf, int channel, int seq) { struct tm tc; time_t ct; uint32_t timecode; - va_list ap; int audio_type = 0; - int channel; buf[0] = (uint8_t)pack_id; switch (pack_id) { @@ -104,8 +101,6 @@ static int dv_write_pack(enum dv_pack_type pack_id, DVMuxContext *c, uint8_t* bu AV_WB32(buf + 1, timecode); break; case dv_audio_source: /* AAUX source pack */ - va_start(ap, buf); - channel = va_arg(ap, int); if (c->ast[channel]->codecpar->sample_rate == 44100) { audio_type = 1; } else if (c->ast[channel]->codecpar->sample_rate == 32000) @@ -118,17 +113,16 @@ static int dv_write_pack(enum dv_pack_type pack_id, DVMuxContext *c, uint8_t* bu buf[2] = (0 << 7) | /* multi-stereo */ (0 << 5) | /* #of audio channels per block: 0 -- 1 channel */ (0 << 4) | /* pair bit: 0 -- one pair of channels */ - !!va_arg(ap, int); /* audio mode */ + (seq >= c->sys->difseg_size/2); /* audio mode (1st or 2nd channel) */ buf[3] = (1 << 7) | /* res */ (1 << 6) | /* multi-language flag */ (c->sys->dsf << 5) | /* system: 60fields/50fields */ - (c->sys->n_difchan & 2); /* definition: 0 -- 25Mbps, 2 -- 50Mbps */ + (DV_PROFILE_IS_HD(c->sys) ? 0x3 : c->sys->video_stype ? 2 : 0); /* stype */ buf[4] = (1 << 7) | /* emphasis: 1 -- off */ (0 << 6) | /* emphasis time constant: 0 -- reserved */ (audio_type << 3) | /* frequency: 0 -- 48kHz, 1 -- 44,1kHz, 2 -- 32kHz */ 0; /* quantization: 0 -- 16-bit linear, 1 -- 12-bit nonlinear */ - va_end(ap); break; case dv_audio_control: buf[1] = (0 << 6) | /* copy protection: 0 -- unrestricted */ @@ -192,7 +186,7 @@ static void dv_inject_audio(DVMuxContext *c, int channel, uint8_t* frame_ptr) for (i = 0; i < c->sys->difseg_size; i++) { frame_ptr += 6 * 80; /* skip DIF segment header */ for (j = 0; j < 9; j++) { - dv_write_pack(dv_aaux_packs_dist[i][j], c, &frame_ptr[3], channel, i >= c->sys->difseg_size/2); + dv_write_pack(dv_aaux_packs_dist[i][j], c, &frame_ptr[3], channel, i); for (d = 8; d < 80; d+=2) { of = c->sys->audio_shuffle[i][j] + (d - 8)/2 * c->sys->audio_stride; if (of*2 >= size) @@ -210,27 +204,28 @@ static void dv_inject_metadata(DVMuxContext *c, uint8_t* frame) { int j, k; uint8_t* buf; + int seq = 0; - for (buf = frame; buf < frame + c->sys->frame_size; buf += 150 * 80) { + for (buf = frame; buf < frame + c->sys->frame_size; buf += 150 * 80, seq++) { /* DV subcode: 2nd and 3d DIFs */ for (j = 80; j < 80 * 3; j += 80) { for (k = 6; k < 6 * 8; k += 8) - dv_write_pack(dv_timecode, c, &buf[j+k]); + dv_write_pack(dv_timecode, c, &buf[j+k], 0, seq); if (((long)(buf-frame)/(c->sys->frame_size/(c->sys->difseg_size*c->sys->n_difchan))%c->sys->difseg_size) > 5) { /* FIXME: is this really needed ? */ - dv_write_pack(dv_video_recdate, c, &buf[j+14]); - dv_write_pack(dv_video_rectime, c, &buf[j+22]); - dv_write_pack(dv_video_recdate, c, &buf[j+38]); - dv_write_pack(dv_video_rectime, c, &buf[j+46]); + dv_write_pack(dv_video_recdate, c, &buf[j+14], 0, seq); + dv_write_pack(dv_video_rectime, c, &buf[j+22], 0, seq); + dv_write_pack(dv_video_recdate, c, &buf[j+38], 0, seq); + dv_write_pack(dv_video_rectime, c, &buf[j+46], 0, seq); } } /* DV VAUX: 4th, 5th and 6th 3DIFs */ for (j = 80*3 + 3; j < 80*6; j += 80) { - dv_write_pack(dv_video_recdate, c, &buf[j+5*2]); - dv_write_pack(dv_video_rectime, c, &buf[j+5*3]); - dv_write_pack(dv_video_recdate, c, &buf[j+5*11]); - dv_write_pack(dv_video_rectime, c, &buf[j+5*12]); + dv_write_pack(dv_video_recdate, c, &buf[j+5* 2], 0, seq); + dv_write_pack(dv_video_rectime, c, &buf[j+5* 3], 0, seq); + dv_write_pack(dv_video_recdate, c, &buf[j+5*11], 0, seq); + dv_write_pack(dv_video_rectime, c, &buf[j+5*12], 0, seq); } } } @@ -307,11 +302,11 @@ static DVMuxContext* dv_init_mux(AVFormatContext* s) int i; /* we support at most 1 video and 2 audio streams */ - if (s->nb_streams > 3) + if (s->nb_streams > 5) return NULL; c->n_ast = 0; - c->ast[0] = c->ast[1] = NULL; + c->ast[0] = c->ast[1] = c->ast[2] = c->ast[3] = NULL; /* We have to sort out where audio and where video stream is */ for (i=0; inb_streams; i++) { @@ -355,8 +350,9 @@ static DVMuxContext* dv_init_mux(AVFormatContext* s) goto bail_out; } - if ((c->n_ast > 1) && (c->sys->n_difchan < 2)) { - /* only 1 stereo pair is allowed in 25Mbps mode */ + if (((c->n_ast > 1) && (c->sys->n_difchan < 2)) || + ((c->n_ast > 2) && (c->sys->n_difchan < 4))) { + /* only 2 stereo pairs allowed in 50Mbps mode */ goto bail_out; } diff --git a/tests/fate/vcodec.mak b/tests/fate/vcodec.mak index 2705d2227a..452246689e 100644 --- a/tests/fate/vcodec.mak +++ b/tests/fate/vcodec.mak @@ -135,7 +135,7 @@ fate-vsynth%-dnxhd-hr-hq-mov: ENCOPTS = -s 2kflat -profile:v dnxhr_hq \ fate-vsynth%-dnxhd-hr-hq-mov: DECOPTS = -sws_flags area+accurate_rnd+bitexact fate-vsynth%-dnxhd-hr-hq-mov: FMT = mov -FATE_VCODEC-$(call ENCDEC, DVVIDEO, DV) += dv dv-411 dv-50 +FATE_VCODEC-$(call ENCDEC, DVVIDEO, DV) += dv dv-411 dv-50 dv-hd dv-fhd fate-vsynth%-dv: CODEC = dvvideo fate-vsynth%-dv: ENCOPTS = -dct int -s pal fate-vsynth%-dv: FMT = dv @@ -152,6 +152,18 @@ fate-vsynth%-dv-50: ENCOPTS = -dct int -s pal -pix_fmt yuv422p \ fate-vsynth%-dv-50: DECOPTS = -sws_flags neighbor fate-vsynth%-dv-50: FMT = dv +fate-vsynth%-dv-fhd: CODEC = dvvideo +fate-vsynth%-dv-fhd: ENCOPTS = -dct int -s 1440x1080 -pix_fmt yuv422p \ + -sws_flags neighbor +fate-vsynth%-dv-fhd: DECOPTS = -sws_flags neighbor +fate-vsynth%-dv-fhd: FMT = dv + +fate-vsynth%-dv-hd: CODEC = dvvideo +fate-vsynth%-dv-hd: ENCOPTS = -dct int -s 960x720 -pix_fmt yuv422p \ + -sws_flags neighbor +fate-vsynth%-dv-hd: DECOPTS = -sws_flags neighbor +fate-vsynth%-dv-hd: FMT = dv + FATE_VCODEC-$(call ENCDEC, FFV1, AVI) += ffv1 ffv1-v0 \ ffv1-v3-yuv420p ffv1-v3-yuv422p10 ffv1-v3-yuv444p16 \ ffv1-v3-bgr0 ffv1-v3-rgb48 diff --git a/tests/ref/vsynth/vsynth1-dv-fhd b/tests/ref/vsynth/vsynth1-dv-fhd new file mode 100644 index 0000000000..b81141f340 --- /dev/null +++ b/tests/ref/vsynth/vsynth1-dv-fhd @@ -0,0 +1,4 @@ +74315a8678d12c7f592c02990dc8952d *tests/data/fate/vsynth1-dv-fhd.dv +28800000 tests/data/fate/vsynth1-dv-fhd.dv +c95b309bc128b162e5c8241374eb66a9 *tests/data/fate/vsynth1-dv-fhd.out.rawvideo +stddev: 2.53 PSNR: 40.03 MAXDIFF: 35 bytes: 7603200/ 7603200 diff --git a/tests/ref/vsynth/vsynth1-dv-hd b/tests/ref/vsynth/vsynth1-dv-hd new file mode 100644 index 0000000000..c964b083b3 --- /dev/null +++ b/tests/ref/vsynth/vsynth1-dv-hd @@ -0,0 +1,4 @@ +12c07ee20aa824dc0ed589336647b195 *tests/data/fate/vsynth1-dv-hd.dv +14400000 tests/data/fate/vsynth1-dv-hd.dv +dbeb55cfe3ed47d25cbe4e0b45d9bb00 *tests/data/fate/vsynth1-dv-hd.out.rawvideo +stddev: 53.33 PSNR: 13.59 MAXDIFF: 238 bytes: 7603200/ 7603200 diff --git a/tests/ref/vsynth/vsynth2-dv-fhd b/tests/ref/vsynth/vsynth2-dv-fhd new file mode 100644 index 0000000000..948bf2269f --- /dev/null +++ b/tests/ref/vsynth/vsynth2-dv-fhd @@ -0,0 +1,4 @@ +1f96ce7c1a5f09ec9d30c51c7271cf77 *tests/data/fate/vsynth2-dv-fhd.dv +28800000 tests/data/fate/vsynth2-dv-fhd.dv +cff30e2430730522bf67c6d94cf1352e *tests/data/fate/vsynth2-dv-fhd.out.rawvideo +stddev: 1.16 PSNR: 46.82 MAXDIFF: 21 bytes: 7603200/ 7603200 diff --git a/tests/ref/vsynth/vsynth2-dv-hd b/tests/ref/vsynth/vsynth2-dv-hd new file mode 100644 index 0000000000..2dce36b94b --- /dev/null +++ b/tests/ref/vsynth/vsynth2-dv-hd @@ -0,0 +1,4 @@ +095db978dd76f36d5706c96f6dac65bd *tests/data/fate/vsynth2-dv-hd.dv +14400000 tests/data/fate/vsynth2-dv-hd.dv +a1c690626f90e0c79b1247ee560540ef *tests/data/fate/vsynth2-dv-hd.out.rawvideo +stddev: 79.63 PSNR: 10.11 MAXDIFF: 240 bytes: 7603200/ 7603200 diff --git a/tests/ref/vsynth/vsynth3-dv-fhd b/tests/ref/vsynth/vsynth3-dv-fhd new file mode 100644 index 0000000000..08ca9ef889 --- /dev/null +++ b/tests/ref/vsynth/vsynth3-dv-fhd @@ -0,0 +1,4 @@ +5b8b7f1dc31d7076af891e94c2e88c06 *tests/data/fate/vsynth3-dv-fhd.dv +28800000 tests/data/fate/vsynth3-dv-fhd.dv +a038ad7c3c09f776304ef7accdea9c74 *tests/data/fate/vsynth3-dv-fhd.out.rawvideo +stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 86700/ 86700 diff --git a/tests/ref/vsynth/vsynth3-dv-hd b/tests/ref/vsynth/vsynth3-dv-hd new file mode 100644 index 0000000000..a42f4b4bb3 --- /dev/null +++ b/tests/ref/vsynth/vsynth3-dv-hd @@ -0,0 +1,4 @@ +c05f2a66f9a5090e016d24373c657fd2 *tests/data/fate/vsynth3-dv-hd.dv +14400000 tests/data/fate/vsynth3-dv-hd.dv +938db8c6ca3bc2d2a64d0f481960efd3 *tests/data/fate/vsynth3-dv-hd.out.rawvideo +stddev: 62.24 PSNR: 12.25 MAXDIFF: 218 bytes: 86700/ 86700