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-rw-r--r--libavcodec/asvenc.c102
1 files changed, 70 insertions, 32 deletions
diff --git a/libavcodec/asvenc.c b/libavcodec/asvenc.c
index 3b0a4ac..5decde3 100644
--- a/libavcodec/asvenc.c
+++ b/libavcodec/asvenc.c
@@ -1,20 +1,20 @@
/*
* Copyright (c) 2003 Michael Niedermayer
*
- * 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
*/
@@ -26,8 +26,10 @@
#include "libavutil/attributes.h"
#include "libavutil/mem.h"
+#include "aandcttab.h"
#include "asv.h"
#include "avcodec.h"
+#include "dct.h"
#include "fdctdsp.h"
#include "internal.h"
#include "mathops.h"
@@ -50,7 +52,7 @@ static inline void asv1_put_level(PutBitContext *pb, int level)
}
}
-static inline void asv2_put_level(PutBitContext *pb, int level)
+static inline void asv2_put_level(ASV1Context *a, PutBitContext *pb, int level)
{
unsigned int index = level + 31;
@@ -58,6 +60,10 @@ static inline void asv2_put_level(PutBitContext *pb, int level)
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]);
+ if (level < -128 || level > 127) {
+ av_log(a->avctx, AV_LOG_WARNING, "Cliping level %d, increase qscale\n", level);
+ level = av_clip_int8(level);
+ }
asv2_put_bits(pb, 8, level & 0xFF);
}
}
@@ -108,7 +114,7 @@ static inline void asv1_encode_block(ASV1Context *a, int16_t block[64])
put_bits(&a->pb, ff_asv_ccp_tab[16][1], ff_asv_ccp_tab[16][0]);
}
-static inline int 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;
@@ -142,8 +148,7 @@ static inline int asv2_encode_block(ASV1Context *a, int16_t block[64])
a->q_intra_matrix[index + 9] + (1 << 15)) >> 16))
ccp |= 1;
- if (!i && ccp >= 8)
- return AVERROR_BUG;
+ av_assert2(i || ccp < 8);
if (i)
put_bits(&a->pb, ff_asv_ac_ccp_tab[ccp][1], ff_asv_ac_ccp_tab[ccp][0]);
else
@@ -151,24 +156,22 @@ static inline int asv2_encode_block(ASV1Context *a, int16_t block[64])
if (ccp) {
if (ccp & 8)
- asv2_put_level(&a->pb, block[index + 0]);
+ asv2_put_level(a, &a->pb, block[index + 0]);
if (ccp & 4)
- asv2_put_level(&a->pb, block[index + 8]);
+ asv2_put_level(a, &a->pb, block[index + 8]);
if (ccp & 2)
- asv2_put_level(&a->pb, block[index + 1]);
+ asv2_put_level(a, &a->pb, block[index + 1]);
if (ccp & 1)
- asv2_put_level(&a->pb, block[index + 9]);
+ asv2_put_level(a, &a->pb, block[index + 9]);
}
}
-
- return 0;
}
#define MAX_MB_SIZE (30 * 16 * 16 * 3 / 2 / 8)
static inline int encode_mb(ASV1Context *a, int16_t block[6][64])
{
- int i, ret;
+ int i;
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");
@@ -180,9 +183,7 @@ static inline int encode_mb(ASV1Context *a, int16_t block[6][64])
asv1_encode_block(a, block[i]);
} else {
for (i = 0; i < 6; i++) {
- ret = asv2_encode_block(a, block[i]);
- if (ret < 0)
- return ret;
+ asv2_encode_block(a, block[i]);
}
}
return 0;
@@ -221,13 +222,52 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
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) {
- av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
+ if (pict->width % 16 || pict->height % 16) {
+ AVFrame *clone = av_frame_alloc();
+ int i;
+
+ if (!clone)
+ return AVERROR(ENOMEM);
+ clone->format = pict->format;
+ clone->width = FFALIGN(pict->width, 16);
+ clone->height = FFALIGN(pict->height, 16);
+ ret = av_frame_get_buffer(clone, 32);
+ if (ret < 0) {
+ av_frame_free(&clone);
+ return ret;
+ }
+
+ ret = av_frame_copy(clone, pict);
+ if (ret < 0) {
+ av_frame_free(&clone);
+ return ret;
+ }
+
+ for (i = 0; i<3; i++) {
+ int x, y;
+ int w = FF_CEIL_RSHIFT(pict->width, !!i);
+ int h = FF_CEIL_RSHIFT(pict->height, !!i);
+ int w2 = FF_CEIL_RSHIFT(clone->width, !!i);
+ int h2 = FF_CEIL_RSHIFT(clone->height, !!i);
+ for (y=0; y<h; y++)
+ for (x=w; x<w2; x++)
+ clone->data[i][x + y*clone->linesize[i]] =
+ clone->data[i][w - 1 + y*clone->linesize[i]];
+ for (y=h; y<h2; y++)
+ for (x=0; x<w2; x++)
+ clone->data[i][x + y*clone->linesize[i]] =
+ clone->data[i][x + (h-1)*clone->linesize[i]];
+ }
+ ret = encode_frame(avctx, pkt, clone, got_packet);
+
+ av_frame_free(&clone);
return ret;
}
+ if ((ret = ff_alloc_packet2(avctx, pkt, a->mb_height * a->mb_width * MAX_MB_SIZE +
+ FF_MIN_BUFFER_SIZE)) < 0)
+ return ret;
+
init_put_bits(&a->pb, pkt->data, pkt->size);
for (mb_y = 0; mb_y < a->mb_height2; mb_y++) {
@@ -282,18 +322,11 @@ static av_cold int encode_init(AVCodecContext *avctx)
int i;
const int scale = avctx->codec_id == AV_CODEC_ID_ASV1 ? 1 : 2;
-#if FF_API_CODED_FRAME
-FF_DISABLE_DEPRECATION_WARNINGS
- avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
- avctx->coded_frame->key_frame = 1;
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
-
ff_asv_common_init(avctx);
ff_fdctdsp_init(&a->fdsp, avctx);
ff_pixblockdsp_init(&a->pdsp, avctx);
- if (avctx->global_quality == 0)
+ if (avctx->global_quality <= 0)
avctx->global_quality = 4 * FF_QUALITY_SCALE;
a->inv_qscale = (32 * scale * FF_QUALITY_SCALE +
@@ -307,8 +340,13 @@ FF_ENABLE_DEPRECATION_WARNINGS
((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;
+ if (a->fdsp.fdct == ff_fdct_ifast) {
+ int q = 32LL * scale * ff_mpeg1_default_intra_matrix[i] * ff_aanscales[i];
+ a->q_intra_matrix[i] = (((int64_t)a->inv_qscale << 30) + q / 2) / q;
+ } else {
+ int q = 32 * scale * ff_mpeg1_default_intra_matrix[i];
+ a->q_intra_matrix[i] = ((a->inv_qscale << 16) + q / 2) / q;
+ }
}
return 0;
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