diff options
Diffstat (limited to 'libavcodec/dnxhdenc.c')
| -rw-r--r-- | libavcodec/dnxhdenc.c | 145 |
1 files changed, 81 insertions, 64 deletions
diff --git a/libavcodec/dnxhdenc.c b/libavcodec/dnxhdenc.c index c49ad7e..f5a803b 100644 --- a/libavcodec/dnxhdenc.c +++ b/libavcodec/dnxhdenc.c @@ -6,20 +6,20 @@ * VC-3 encoder funded by the British Broadcasting Corporation * 10 bit support added by MirriAd Ltd, Joseph Artsimovich <joseph@mirriad.com> * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -36,6 +36,7 @@ #include "pixblockdsp.h" #include "dnxhdenc.h" + // The largest value that will not lead to overflow for 10bit samples. #define DNX10BIT_QMAT_SHIFT 18 #define RC_VARIANCE 1 // use variance or ssd for fast rc @@ -48,14 +49,14 @@ static const AVOption options[] = { { NULL } }; -static const AVClass class = { - "dnxhd", - av_default_item_name, - options, - LIBAVUTIL_VERSION_INT +static const AVClass dnxhd_class = { + .class_name = "dnxhd", + .item_name = av_default_item_name, + .option = options, + .version = LIBAVUTIL_VERSION_INT, }; -static void dnxhd_8bit_get_pixels_8x4_sym(int16_t *restrict block, +static void dnxhd_8bit_get_pixels_8x4_sym(int16_t *av_restrict block, const uint8_t *pixels, ptrdiff_t line_size) { @@ -79,25 +80,33 @@ static void dnxhd_8bit_get_pixels_8x4_sym(int16_t *restrict block, } static av_always_inline -void dnxhd_10bit_get_pixels_8x4_sym(int16_t *restrict block, +void dnxhd_10bit_get_pixels_8x4_sym(int16_t *av_restrict block, const uint8_t *pixels, ptrdiff_t line_size) { int i; - - block += 32; + const uint16_t* pixels16 = (const uint16_t*)pixels; + line_size >>= 1; for (i = 0; i < 4; i++) { - memcpy(block + i * 8, pixels + i * line_size, 8 * sizeof(*block)); - memcpy(block - (i + 1) * 8, pixels + i * line_size, 8 * sizeof(*block)); + block[0] = pixels16[0]; block[1] = pixels16[1]; + block[2] = pixels16[2]; block[3] = pixels16[3]; + block[4] = pixels16[4]; block[5] = pixels16[5]; + block[6] = pixels16[6]; block[7] = pixels16[7]; + pixels16 += line_size; + block += 8; } + memcpy(block, block - 8, sizeof(*block) * 8); + memcpy(block + 8, block - 16, sizeof(*block) * 8); + memcpy(block + 16, block - 24, sizeof(*block) * 8); + memcpy(block + 24, block - 32, sizeof(*block) * 8); } static int dnxhd_10bit_dct_quantize(MpegEncContext *ctx, int16_t *block, int n, int qscale, int *overflow) { const uint8_t *scantable= ctx->intra_scantable.scantable; - const int *qmat = ctx->q_intra_matrix[qscale]; + const int *qmat = n<4 ? ctx->q_intra_matrix[qscale] : ctx->q_chroma_intra_matrix[qscale]; int last_non_zero = 0; int i; @@ -124,10 +133,10 @@ static av_cold int dnxhd_init_vlc(DNXHDEncContext *ctx) int i, j, level, run; int max_level = 1 << (ctx->cid_table->bit_depth + 2); - FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->vlc_codes, - max_level * 4 * sizeof(*ctx->vlc_codes), fail); - FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->vlc_bits, - max_level * 4 * sizeof(*ctx->vlc_bits), fail); + FF_ALLOCZ_ARRAY_OR_GOTO(ctx->m.avctx, ctx->vlc_codes, + max_level, 4 * sizeof(*ctx->vlc_codes), fail); + FF_ALLOCZ_ARRAY_OR_GOTO(ctx->m.avctx, ctx->vlc_bits, + max_level, 4 * sizeof(*ctx->vlc_bits), fail); FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->run_codes, 63 * 2, fail); FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->run_bits, @@ -146,10 +155,10 @@ static av_cold int dnxhd_init_vlc(DNXHDEncContext *ctx) alevel -= offset << 6; } for (j = 0; j < 257; j++) { - if (ctx->cid_table->ac_level[j] == alevel && - (!offset || (ctx->cid_table->ac_index_flag[j] && offset)) && - (!run || (ctx->cid_table->ac_run_flag [j] && run))) { - assert(!ctx->vlc_codes[index]); + if (ctx->cid_table->ac_level[j] >> 1 == alevel && + (!offset || (ctx->cid_table->ac_flags[j] & 1) && offset) && + (!run || (ctx->cid_table->ac_flags[j] & 2) && run)) { + av_assert1(!ctx->vlc_codes[index]); if (alevel) { ctx->vlc_codes[index] = (ctx->cid_table->ac_codes[j] << 1) | (sign & 1); @@ -161,7 +170,7 @@ static av_cold int dnxhd_init_vlc(DNXHDEncContext *ctx) break; } } - assert(!alevel || j < 257); + av_assert0(!alevel || j < 257); if (offset) { ctx->vlc_codes[index] = (ctx->vlc_codes[index] << ctx->cid_table->index_bits) | offset; @@ -171,7 +180,7 @@ static av_cold int dnxhd_init_vlc(DNXHDEncContext *ctx) } for (i = 0; i < 62; i++) { int run = ctx->cid_table->run[i]; - assert(run < 63); + av_assert0(run < 63); ctx->run_codes[run] = ctx->cid_table->run_codes[i]; ctx->run_bits[run] = ctx->cid_table->run_bits[i]; } @@ -188,15 +197,15 @@ static av_cold int dnxhd_init_qmat(DNXHDEncContext *ctx, int lbias, int cbias) const uint8_t *luma_weight_table = ctx->cid_table->luma_weight; const uint8_t *chroma_weight_table = ctx->cid_table->chroma_weight; - FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->qmatrix_l, - (ctx->m.avctx->qmax + 1) * 64 * sizeof(int), fail); - FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->qmatrix_c, - (ctx->m.avctx->qmax + 1) * 64 * sizeof(int), fail); - FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->qmatrix_l16, - (ctx->m.avctx->qmax + 1) * 64 * 2 * sizeof(uint16_t), + FF_ALLOCZ_ARRAY_OR_GOTO(ctx->m.avctx, ctx->qmatrix_l, + (ctx->m.avctx->qmax + 1), 64 * sizeof(int), fail); + FF_ALLOCZ_ARRAY_OR_GOTO(ctx->m.avctx, ctx->qmatrix_c, + (ctx->m.avctx->qmax + 1), 64 * sizeof(int), fail); + FF_ALLOCZ_ARRAY_OR_GOTO(ctx->m.avctx, ctx->qmatrix_l16, + (ctx->m.avctx->qmax + 1), 64 * 2 * sizeof(uint16_t), fail); - FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->qmatrix_c16, - (ctx->m.avctx->qmax + 1) * 64 * 2 * sizeof(uint16_t), + FF_ALLOCZ_ARRAY_OR_GOTO(ctx->m.avctx, ctx->qmatrix_c16, + (ctx->m.avctx->qmax + 1), 64 * 2 * sizeof(uint16_t), fail); if (ctx->cid_table->bit_depth == 8) { @@ -250,6 +259,11 @@ static av_cold int dnxhd_init_qmat(DNXHDEncContext *ctx, int lbias, int cbias) } } + ctx->m.q_chroma_intra_matrix16 = ctx->qmatrix_c16; + ctx->m.q_chroma_intra_matrix = ctx->qmatrix_c; + ctx->m.q_intra_matrix16 = ctx->qmatrix_l16; + ctx->m.q_intra_matrix = ctx->qmatrix_l; + return 0; fail: return AVERROR(ENOMEM); @@ -257,11 +271,10 @@ fail: static av_cold int dnxhd_init_rc(DNXHDEncContext *ctx) { - FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->mb_rc, - 8160 * ctx->m.avctx->qmax * sizeof(RCEntry), fail); + FF_ALLOCZ_ARRAY_OR_GOTO(ctx->m.avctx, ctx->mb_rc, (ctx->m.avctx->qmax + 1), 8160 * sizeof(RCEntry), fail); if (ctx->m.avctx->mb_decision != FF_MB_DECISION_RD) - FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->mb_cmp, - ctx->m.mb_num * sizeof(RCCMPEntry), fail); + FF_ALLOCZ_ARRAY_OR_GOTO(ctx->m.avctx, ctx->mb_cmp, + ctx->m.mb_num, sizeof(RCCMPEntry), fail); ctx->frame_bits = (ctx->cid_table->coding_unit_size - 640 - 4 - ctx->min_padding) * 8; @@ -293,14 +306,15 @@ static av_cold int dnxhd_encode_init(AVCodecContext *avctx) ctx->cid = ff_dnxhd_find_cid(avctx, bit_depth); if (!ctx->cid) { av_log(avctx, AV_LOG_ERROR, - "video parameters incompatible with DNxHD\n"); + "video parameters incompatible with DNxHD. Valid DNxHD profiles:\n"); + ff_dnxhd_print_profiles(avctx, AV_LOG_ERROR); return AVERROR(EINVAL); } av_log(avctx, AV_LOG_DEBUG, "cid %d\n", ctx->cid); index = ff_dnxhd_get_cid_table(ctx->cid); - if (index < 0) - return index; + av_assert0(index >= 0); + ctx->cid_table = &ff_dnxhd_cid_table[index]; ctx->m.avctx = avctx; @@ -314,6 +328,8 @@ static av_cold int dnxhd_encode_init(AVCodecContext *avctx) ff_mpv_idct_init(&ctx->m); ff_mpegvideoencdsp_init(&ctx->m.mpvencdsp, avctx); ff_pixblockdsp_init(&ctx->m.pdsp, avctx); + ff_dct_encode_init(&ctx->m); + if (!ctx->m.dct_quantize) ctx->m.dct_quantize = ff_dct_quantize_c; @@ -376,6 +392,11 @@ static av_cold int dnxhd_encode_init(AVCodecContext *avctx) return AVERROR(EINVAL); } + if (avctx->qmax <= 1) { + av_log(avctx, AV_LOG_ERROR, "qmax must be at least 2\n"); + return AVERROR(EINVAL); + } + ctx->thread[0] = ctx; for (i = 1; i < avctx->thread_count; i++) { ctx->thread[i] = av_malloc(sizeof(DNXHDEncContext)); @@ -390,7 +411,7 @@ fail: // for FF_ALLOCZ_OR_GOTO static int dnxhd_write_header(AVCodecContext *avctx, uint8_t *buf) { DNXHDEncContext *ctx = avctx->priv_data; - const uint8_t header_prefix[5] = { 0x00, 0x00, 0x02, 0x80, 0x01 }; + static const uint8_t header_prefix[5] = { 0x00, 0x00, 0x02, 0x80, 0x01 }; memset(buf, 0, 640); @@ -583,15 +604,8 @@ void dnxhd_get_blocks(DNXHDEncContext *ctx, int mb_x, int mb_y) static av_always_inline int dnxhd_switch_matrix(DNXHDEncContext *ctx, int i) { - if (i & 2) { - ctx->m.q_intra_matrix16 = ctx->qmatrix_c16; - ctx->m.q_intra_matrix = ctx->qmatrix_c; - return 1 + (i & 1); - } else { - ctx->m.q_intra_matrix16 = ctx->qmatrix_l16; - ctx->m.q_intra_matrix = ctx->qmatrix_l; - return 0; - } + const static uint8_t component[8]={0,0,1,2,0,0,1,2}; + return component[i]; } static int dnxhd_calc_bits_thread(AVCodecContext *avctx, void *arg, @@ -622,7 +636,7 @@ static int dnxhd_calc_bits_thread(AVCodecContext *avctx, void *arg, int n = dnxhd_switch_matrix(ctx, i); memcpy(block, src_block, 64 * sizeof(*block)); - last_index = ctx->m.dct_quantize(&ctx->m, block, i, + last_index = ctx->m.dct_quantize(&ctx->m, block, 4 & (2*i), qscale, &overflow); ac_bits += dnxhd_calc_ac_bits(ctx, block, last_index); @@ -632,7 +646,7 @@ static int dnxhd_calc_bits_thread(AVCodecContext *avctx, void *arg, else nbits = av_log2_16bit(2 * diff); - assert(nbits < ctx->cid_table->bit_depth + 4); + av_assert1(nbits < ctx->cid_table->bit_depth + 4); dc_bits += ctx->cid_table->dc_bits[nbits] + nbits; ctx->m.last_dc[n] = block[0]; @@ -674,7 +688,7 @@ static int dnxhd_encode_thread(AVCodecContext *avctx, void *arg, for (i = 0; i < 8; i++) { int16_t *block = ctx->blocks[i]; int overflow, n = dnxhd_switch_matrix(ctx, i); - int last_index = ctx->m.dct_quantize(&ctx->m, block, i, + int last_index = ctx->m.dct_quantize(&ctx->m, block, 4 & (2*i), qscale, &overflow); // START_TIMER; dnxhd_encode_block(ctx, block, last_index, n); @@ -933,13 +947,13 @@ static void radix_count(const RCCMPEntry *data, int size, buckets[j][get_bucket(v, 0)]++; v >>= BUCKET_BITS; } - assert(!v); + av_assert1(!v); } for (j = 0; j < RADIX_PASSES; j++) { int offset = size; for (i = NBUCKETS - 1; i >= 0; i--) buckets[j][i] = offset -= buckets[j][i]; - assert(!buckets[j][0]); + av_assert1(!buckets[j][0]); } } @@ -958,7 +972,7 @@ static void radix_sort_pass(RCCMPEntry *dst, const RCCMPEntry *data, static void radix_sort(RCCMPEntry *data, int size) { int buckets[RADIX_PASSES][NBUCKETS]; - RCCMPEntry *tmp = av_malloc(sizeof(*tmp) * size); + RCCMPEntry *tmp = av_malloc_array(size, sizeof(*tmp)); radix_count(data, size, buckets); radix_sort_pass(tmp, data, size, buckets[0], 0); radix_sort_pass(data, tmp, size, buckets[1], 1); @@ -1034,11 +1048,8 @@ static int dnxhd_encode_picture(AVCodecContext *avctx, AVPacket *pkt, int offset, i, ret; uint8_t *buf; - if ((ret = ff_alloc_packet(pkt, ctx->cid_table->frame_size)) < 0) { - av_log(avctx, AV_LOG_ERROR, - "output buffer is too small to compress picture\n"); + if ((ret = ff_alloc_packet2(avctx, pkt, ctx->cid_table->frame_size)) < 0) return ret; - } buf = pkt->data; dnxhd_load_picture(ctx, frame); @@ -1068,12 +1079,12 @@ encode_coding_unit: for (i = 0; i < ctx->m.mb_height; i++) { AV_WB32(ctx->msip + i * 4, offset); offset += ctx->slice_size[i]; - assert(!(ctx->slice_size[i] & 3)); + av_assert1(!(ctx->slice_size[i] & 3)); } avctx->execute2(avctx, dnxhd_encode_thread, buf, NULL, ctx->m.mb_height); - assert(640 + offset + 4 <= ctx->cid_table->coding_unit_size); + av_assert1(640 + offset + 4 <= ctx->cid_table->coding_unit_size); memset(buf + 640 + offset, 0, ctx->cid_table->coding_unit_size - 4 - offset - 640); @@ -1124,6 +1135,11 @@ static av_cold int dnxhd_encode_end(AVCodecContext *avctx) return 0; } +static const AVCodecDefault dnxhd_defaults[] = { + { "qmax", "1024" }, /* Maximum quantization scale factor allowed for VC-3 */ + { NULL }, +}; + AVCodec ff_dnxhd_encoder = { .name = "dnxhd", .long_name = NULL_IF_CONFIG_SMALL("VC3/DNxHD"), @@ -1139,5 +1155,6 @@ AVCodec ff_dnxhd_encoder = { AV_PIX_FMT_YUV422P10, AV_PIX_FMT_NONE }, - .priv_class = &class, + .priv_class = &dnxhd_class, + .defaults = dnxhd_defaults, }; |
