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Diffstat (limited to 'libavcodec/dnxhdenc.c')
-rw-r--r--libavcodec/dnxhdenc.c99
1 files changed, 59 insertions, 40 deletions
diff --git a/libavcodec/dnxhdenc.c b/libavcodec/dnxhdenc.c
index 4ea3709b08..4b6ce2f60b 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
*/
@@ -33,6 +33,7 @@
#include "internal.h"
#include "mpegvideo.h"
#include "dnxhdenc.h"
+#include "internal.h"
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
#define DNX10BIT_QMAT_SHIFT 18 // The largest value that will not lead to overflow for 10bit samples.
@@ -41,11 +42,17 @@ static const AVOption options[]={
{"nitris_compat", "encode with Avid Nitris compatibility", offsetof(DNXHDEncContext, nitris_compat), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, VE},
{NULL}
};
-static const AVClass class = { "dnxhd", av_default_item_name, options, LIBAVUTIL_VERSION_INT };
+
+static const AVClass class = {
+ .class_name = "dnxhd",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
#define LAMBDA_FRAC_BITS 10
-static void dnxhd_8bit_get_pixels_8x4_sym(int16_t *restrict block, const uint8_t *pixels, int line_size)
+static void dnxhd_8bit_get_pixels_8x4_sym(int16_t *av_restrict block, const uint8_t *pixels, int line_size)
{
int i;
for (i = 0; i < 4; i++) {
@@ -62,23 +69,31 @@ static void dnxhd_8bit_get_pixels_8x4_sym(int16_t *restrict block, const uint8_t
memcpy(block + 24, block - 32, sizeof(*block) * 8);
}
-static av_always_inline void dnxhd_10bit_get_pixels_8x4_sym(int16_t *restrict block, const uint8_t *pixels, int line_size)
+static av_always_inline void dnxhd_10bit_get_pixels_8x4_sym(int16_t *av_restrict block, const uint8_t *pixels, int 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;
@@ -123,10 +138,10 @@ static 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);
ctx->vlc_bits [index] = ctx->cid_table->ac_bits[j]+1;
@@ -137,7 +152,7 @@ static 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;
ctx->vlc_bits [index]+= ctx->cid_table->index_bits;
@@ -146,7 +161,7 @@ static 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];
}
@@ -209,6 +224,11 @@ static 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 -1;
@@ -247,12 +267,14 @@ static 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");
+ av_log(avctx, AV_LOG_ERROR, "video parameters incompatible with DNxHD. Valid DNxHD profiles:\n");
+ ff_dnxhd_print_profiles(avctx, AV_LOG_ERROR);
return -1;
}
av_log(avctx, AV_LOG_DEBUG, "cid %d\n", ctx->cid);
index = ff_dnxhd_get_cid_table(ctx->cid);
+ av_assert0(index >= 0);
ctx->cid_table = &ff_dnxhd_cid_table[index];
ctx->m.avctx = avctx;
@@ -261,8 +283,9 @@ static int dnxhd_encode_init(AVCodecContext *avctx)
avctx->bits_per_raw_sample = ctx->cid_table->bit_depth;
- ff_dsputil_init(&ctx->m.dsp, avctx);
ff_dct_common_init(&ctx->m);
+ ff_dct_encode_init(&ctx->m);
+
if (!ctx->m.dct_quantize)
ctx->m.dct_quantize = ff_dct_quantize_c;
@@ -497,15 +520,8 @@ static av_always_inline void dnxhd_get_blocks(DNXHDEncContext *ctx, int mb_x, in
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, int jobnr, int threadnr)
@@ -535,14 +551,14 @@ static int dnxhd_calc_bits_thread(AVCodecContext *avctx, void *arg, int jobnr, i
int n = dnxhd_switch_matrix(ctx, i);
memcpy(block, src_block, 64*sizeof(*block));
- last_index = ctx->m.dct_quantize(&ctx->m, block, i, qscale, &overflow);
+ last_index = ctx->m.dct_quantize(&ctx->m, block, 4&(2*i), qscale, &overflow);
ac_bits += dnxhd_calc_ac_bits(ctx, block, last_index);
diff = block[0] - ctx->m.last_dc[n];
if (diff < 0) nbits = av_log2_16bit(-2*diff);
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];
@@ -581,8 +597,7 @@ static int dnxhd_encode_thread(AVCodecContext *avctx, void *arg, int jobnr, int
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,
- qscale, &overflow);
+ 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);
//STOP_TIMER("encode_block");
@@ -832,13 +847,13 @@ static void radix_count(const RCCMPEntry *data, int size, int buckets[RADIX_PASS
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]);
}
}
@@ -932,10 +947,8 @@ 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);
@@ -965,12 +978,12 @@ static int dnxhd_encode_picture(AVCodecContext *avctx, AVPacket *pkt,
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);
AV_WB32(buf + ctx->cid_table->coding_unit_size - 4, 0x600DC0DE); // EOF
@@ -1018,6 +1031,11 @@ static 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",
.type = AVMEDIA_TYPE_VIDEO,
@@ -1032,4 +1050,5 @@ AVCodec ff_dnxhd_encoder = {
AV_PIX_FMT_NONE },
.long_name = NULL_IF_CONFIG_SMALL("VC3/DNxHD"),
.priv_class = &class,
+ .defaults = dnxhd_defaults,
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-09 08:32:44 +0000