diff options
| -rw-r--r-- | libavcodec/dnxhdenc.c | 41 | ||||
| -rw-r--r-- | libavcodec/dnxhdenc.h | 2 |
2 files changed, 24 insertions, 19 deletions
diff --git a/libavcodec/dnxhdenc.c b/libavcodec/dnxhdenc.c index 1362514dd5..b3721ccf38 100644 --- a/libavcodec/dnxhdenc.c +++ b/libavcodec/dnxhdenc.c @@ -271,11 +271,11 @@ fail: static av_cold int dnxhd_init_rc(DNXHDEncContext *ctx) { - FF_ALLOCZ_ARRAY_OR_GOTO(ctx->m.avctx, ctx->mb_rc, (ctx->m.avctx->qmax + 1), 8160 * sizeof(RCEntry), fail); + FF_ALLOCZ_ARRAY_OR_GOTO(ctx->m.avctx, ctx->mb_rc, (ctx->m.avctx->qmax + 1), + ctx->m.mb_num * sizeof(RCEntry), fail); if (ctx->m.avctx->mb_decision != FF_MB_DECISION_RD) 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; ctx->qscale = 1; @@ -661,8 +661,8 @@ static int dnxhd_calc_bits_thread(AVCodecContext *avctx, void *arg, ssd += dnxhd_ssd_block(block, src_block); } } - ctx->mb_rc[qscale][mb].ssd = ssd; - ctx->mb_rc[qscale][mb].bits = ac_bits + dc_bits + 12 + + ctx->mb_rc[(qscale * ctx->m.mb_num) + mb].ssd = ssd; + ctx->mb_rc[(qscale * ctx->m.mb_num) + mb].bits = ac_bits + dc_bits + 12 + 8 * ctx->vlc_bits[0]; } return 0; @@ -818,17 +818,20 @@ static int dnxhd_encode_rdo(AVCodecContext *avctx, DNXHDEncContext *ctx) unsigned min = UINT_MAX; int qscale = 1; int mb = y * ctx->m.mb_width + x; + int rc = 0; for (q = 1; q < avctx->qmax; q++) { - unsigned score = ctx->mb_rc[q][mb].bits * lambda + - ((unsigned) ctx->mb_rc[q][mb].ssd << LAMBDA_FRAC_BITS); + int i = (q*ctx->m.mb_num) + mb; + unsigned score = ctx->mb_rc[i].bits * lambda + + ((unsigned) ctx->mb_rc[i].ssd << LAMBDA_FRAC_BITS); if (score < min) { min = score; qscale = q; + rc = i; } } - bits += ctx->mb_rc[qscale][mb].bits; + bits += ctx->mb_rc[rc].bits; ctx->mb_qscale[mb] = qscale; - ctx->mb_bits[mb] = ctx->mb_rc[qscale][mb].bits; + ctx->mb_bits[mb] = ctx->mb_rc[rc].bits; } bits = (bits + 31) & ~31; // padding if (bits > ctx->frame_bits) @@ -889,7 +892,7 @@ static int dnxhd_find_qscale(DNXHDEncContext *ctx) NULL, NULL, ctx->m.mb_height); for (y = 0; y < ctx->m.mb_height; y++) { for (x = 0; x < ctx->m.mb_width; x++) - bits += ctx->mb_rc[qscale][y*ctx->m.mb_width+x].bits; + bits += ctx->mb_rc[(qscale*ctx->m.mb_num) + (y*ctx->m.mb_width+x)].bits; bits = (bits+31)&~31; // padding if (bits > ctx->frame_bits) break; @@ -998,17 +1001,18 @@ static int dnxhd_encode_fast(AVCodecContext *avctx, DNXHDEncContext *ctx) for (y = 0; y < ctx->m.mb_height; y++) { for (x = 0; x < ctx->m.mb_width; x++) { int mb = y * ctx->m.mb_width + x; + int rc = (ctx->qscale * ctx->m.mb_num ) + mb; int delta_bits; ctx->mb_qscale[mb] = ctx->qscale; - ctx->mb_bits[mb] = ctx->mb_rc[ctx->qscale][mb].bits; - max_bits += ctx->mb_rc[ctx->qscale][mb].bits; + ctx->mb_bits[mb] = ctx->mb_rc[rc].bits; + max_bits += ctx->mb_rc[rc].bits; if (!RC_VARIANCE) { - delta_bits = ctx->mb_rc[ctx->qscale][mb].bits - - ctx->mb_rc[ctx->qscale + 1][mb].bits; + delta_bits = ctx->mb_rc[rc].bits - + ctx->mb_rc[rc + ctx->m.mb_num].bits; ctx->mb_cmp[mb].mb = mb; ctx->mb_cmp[mb].value = - delta_bits ? ((ctx->mb_rc[ctx->qscale][mb].ssd - - ctx->mb_rc[ctx->qscale + 1][mb].ssd) * 100) / + delta_bits ? ((ctx->mb_rc[rc].ssd - + ctx->mb_rc[rc + ctx->m.mb_num].ssd) * 100) / delta_bits : INT_MIN; // avoid increasing qscale } @@ -1022,10 +1026,11 @@ static int dnxhd_encode_fast(AVCodecContext *avctx, DNXHDEncContext *ctx) radix_sort(ctx->mb_cmp, ctx->m.mb_num); for (x = 0; x < ctx->m.mb_num && max_bits > ctx->frame_bits; x++) { int mb = ctx->mb_cmp[x].mb; - max_bits -= ctx->mb_rc[ctx->qscale][mb].bits - - ctx->mb_rc[ctx->qscale + 1][mb].bits; + int rc = (ctx->qscale * ctx->m.mb_num ) + mb; + max_bits -= ctx->mb_rc[rc].bits - + ctx->mb_rc[rc + ctx->m.mb_num].bits; ctx->mb_qscale[mb] = ctx->qscale + 1; - ctx->mb_bits[mb] = ctx->mb_rc[ctx->qscale + 1][mb].bits; + ctx->mb_bits[mb] = ctx->mb_rc[rc + ctx->m.mb_num].bits; } } return 0; diff --git a/libavcodec/dnxhdenc.h b/libavcodec/dnxhdenc.h index 3f531efcfb..e9d94294dc 100644 --- a/libavcodec/dnxhdenc.h +++ b/libavcodec/dnxhdenc.h @@ -89,7 +89,7 @@ typedef struct DNXHDEncContext { uint8_t *mb_qscale; RCCMPEntry *mb_cmp; - RCEntry (*mb_rc)[8160]; + RCEntry *mb_rc; void (*get_pixels_8x4_sym)(int16_t * /* align 16 */, const uint8_t *, ptrdiff_t); |