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Diffstat (limited to 'libavcodec/mpegvideo_enc.c')
-rw-r--r--libavcodec/mpegvideo_enc.c105
1 files changed, 74 insertions, 31 deletions
diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index f88df92d8d..6deb2813e3 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -5,20 +5,20 @@
*
* 4MV & hq & B-frame encoding stuff by Michael Niedermayer <michaelni@gmx.at>
*
- * 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
*/
@@ -45,6 +45,7 @@
#include "internal.h"
#include "bytestream.h"
#include <limits.h>
+#include "sp5x.h"
//#undef NDEBUG
//#include <assert.h>
@@ -102,8 +103,7 @@ void ff_convert_matrix(DSPContext *dsp, int (*qmat)[64],
* 3444240 >= (1 << 36) / (x) >= 275 */
qmat[qscale][i] = (int)((UINT64_C(1) << (QMAT_SHIFT + 14)) /
- (ff_aanscales[i] * qscale *
- quant_matrix[j]));
+ (ff_aanscales[i] * qscale * quant_matrix[j]));
}
} else {
for (i = 0; i < 64; i++) {
@@ -290,7 +290,9 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx)
if (avctx->pix_fmt != PIX_FMT_YUVJ420P &&
avctx->pix_fmt != PIX_FMT_YUVJ422P &&
avctx->pix_fmt != PIX_FMT_YUVJ444P &&
+ avctx->pix_fmt != PIX_FMT_BGR0 &&
avctx->pix_fmt != PIX_FMT_BGRA &&
+ avctx->pix_fmt != PIX_FMT_BGR24 &&
((avctx->pix_fmt != PIX_FMT_YUV420P &&
avctx->pix_fmt != PIX_FMT_YUV422P &&
avctx->pix_fmt != PIX_FMT_YUV444P) ||
@@ -300,6 +302,7 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx)
}
break;
case CODEC_ID_MJPEG:
+ case CODEC_ID_AMV:
if (avctx->pix_fmt != PIX_FMT_YUVJ420P &&
avctx->pix_fmt != PIX_FMT_YUVJ422P &&
((avctx->pix_fmt != PIX_FMT_YUV420P &&
@@ -333,8 +336,9 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx)
s->height = avctx->height;
if (avctx->gop_size > 600 &&
avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
- av_log(avctx, AV_LOG_ERROR,
- "Warning keyframe interval too large! reducing it ...\n");
+ av_log(avctx, AV_LOG_WARNING,
+ "keyframe interval too large!, reducing it from %d to %d\n",
+ avctx->gop_size, 600);
avctx->gop_size = 600;
}
s->gop_size = avctx->gop_size;
@@ -384,11 +388,10 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx)
s->loop_filter = !!(s->flags & CODEC_FLAG_LOOP_FILTER);
- if (avctx->rc_max_rate && !avctx->rc_buffer_size) {
- av_log(avctx, AV_LOG_ERROR,
- "a vbv buffer size is needed, "
- "for encoding with a maximum bitrate\n");
- return -1;
+ if ((!avctx->rc_max_rate) != (!avctx->rc_buffer_size)) {
+ av_log(avctx, AV_LOG_ERROR, "Either both buffer size and max rate or neither must be specified\n");
+ if (avctx->rc_max_rate && !avctx->rc_buffer_size)
+ return -1;
}
if (avctx->rc_min_rate && avctx->rc_max_rate != avctx->rc_min_rate) {
@@ -402,7 +405,7 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx)
}
if (avctx->rc_max_rate && avctx->rc_max_rate < avctx->bit_rate) {
- av_log(avctx, AV_LOG_INFO, "bitrate above max bitrate\n");
+ av_log(avctx, AV_LOG_ERROR, "bitrate above max bitrate\n");
return -1;
}
@@ -470,10 +473,11 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx)
s->codec_id == CODEC_ID_H263P) &&
(avctx->sample_aspect_ratio.num > 255 ||
avctx->sample_aspect_ratio.den > 255)) {
- av_log(avctx, AV_LOG_ERROR,
- "Invalid pixel aspect ratio %i/%i, limit is 255/255\n",
+ av_log(avctx, AV_LOG_WARNING,
+ "Invalid pixel aspect ratio %i/%i, limit is 255/255 reducing\n",
avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den);
- return -1;
+ av_reduce(&avctx->sample_aspect_ratio.num, &avctx->sample_aspect_ratio.den,
+ avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den, 255);
}
if ((s->flags & (CODEC_FLAG_INTERLACED_DCT | CODEC_FLAG_INTERLACED_ME)) &&
@@ -546,7 +550,7 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx)
if (s->avctx->thread_count < 1) {
av_log(avctx, AV_LOG_ERROR,
- "automatic thread number detection not supported by codec,"
+ "automatic thread number detection not supported by codec, "
"patch welcome\n");
return -1;
}
@@ -585,8 +589,7 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx)
//return -1;
}
- if (s->mpeg_quant || s->codec_id == CODEC_ID_MPEG1VIDEO ||
- s->codec_id == CODEC_ID_MPEG2VIDEO || s->codec_id == CODEC_ID_MJPEG) {
+ if (s->mpeg_quant || s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO || s->codec_id == CODEC_ID_MJPEG || s->codec_id==CODEC_ID_AMV) {
// (a + x * 3 / 8) / x
s->intra_quant_bias = 3 << (QUANT_BIAS_SHIFT - 3);
s->inter_quant_bias = 0;
@@ -601,6 +604,8 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx)
if (avctx->inter_quant_bias != FF_DEFAULT_QUANT_BIAS)
s->inter_quant_bias = avctx->inter_quant_bias;
+ av_log(avctx, AV_LOG_DEBUG, "intra_quant_bias = %d inter_quant_bias = %d\n",s->intra_quant_bias,s->inter_quant_bias);
+
avcodec_get_chroma_sub_sample(avctx->pix_fmt, &chroma_h_shift,
&chroma_v_shift);
@@ -638,10 +643,13 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx)
break;
case CODEC_ID_LJPEG:
case CODEC_ID_MJPEG:
+ case CODEC_ID_AMV:
s->out_format = FMT_MJPEG;
s->intra_only = 1; /* force intra only for jpeg */
if (avctx->codec->id == CODEC_ID_LJPEG &&
- avctx->pix_fmt == PIX_FMT_BGRA) {
+ (avctx->pix_fmt == PIX_FMT_BGR0
+ || s->avctx->pix_fmt == PIX_FMT_BGRA
+ || s->avctx->pix_fmt == PIX_FMT_BGR24)) {
s->mjpeg_vsample[0] = s->mjpeg_hsample[0] =
s->mjpeg_vsample[1] = s->mjpeg_hsample[1] =
s->mjpeg_vsample[2] = s->mjpeg_hsample[2] = 1;
@@ -675,13 +683,13 @@ av_cold int ff_MPV_encode_init(AVCodecContext *avctx)
break;
case CODEC_ID_H263:
if (!CONFIG_H263_ENCODER)
- return -1;
+ return -1;
if (ff_match_2uint16(ff_h263_format, FF_ARRAY_ELEMS(ff_h263_format),
s->width, s->height) == 8) {
- av_log(avctx, AV_LOG_INFO,
+ av_log(avctx, AV_LOG_ERROR,
"The specified picture size of %dx%d is not valid for "
"the H.263 codec.\nValid sizes are 128x96, 176x144, "
- "352x288, 704x576, and 1408x1152."
+ "352x288, 704x576, and 1408x1152. "
"Try H.263+.\n", s->width, s->height);
return -1;
}
@@ -1004,6 +1012,10 @@ static int load_input_picture(MpegEncContext *s, AVFrame *pic_arg)
uint8_t *src = pic_arg->data[i];
uint8_t *dst = pic->data[i];
+ if(s->codec_id == CODEC_ID_AMV && !(s->avctx->flags & CODEC_FLAG_EMU_EDGE)){
+ h= ((s->height+15)/16*16)>>v_shift;
+ }
+
if (!s->avctx->rc_buffer_size)
dst += INPLACE_OFFSET;
@@ -1396,7 +1408,7 @@ no_output_pic:
}
int ff_MPV_encode_picture(AVCodecContext *avctx, AVPacket *pkt,
- const AVFrame *pic_arg, int *got_packet)
+ AVFrame *pic_arg, int *got_packet)
{
MpegEncContext *s = avctx->priv_data;
int i, stuffing_count, ret;
@@ -1413,8 +1425,7 @@ int ff_MPV_encode_picture(AVCodecContext *avctx, AVPacket *pkt,
/* output? */
if (s->new_picture.f.data[0]) {
- if (!pkt->data &&
- (ret = ff_alloc_packet(pkt, s->mb_width*s->mb_height*MAX_MB_BYTES)) < 0)
+ if ((ret = ff_alloc_packet2(avctx, pkt, s->mb_width*s->mb_height*(MAX_MB_BYTES+100)+10000)) < 0)
return ret;
if (s->mb_info) {
s->mb_info_ptr = av_packet_new_side_data(pkt,
@@ -1773,7 +1784,7 @@ static av_always_inline void encode_mb_internal(MpegEncContext *s,
ptr_cr = s->new_picture.f.data[2] +
(mb_y * mb_block_height * wrap_c) + mb_x * 8;
- if (mb_x * 16 + 16 > s->width || mb_y * 16 + 16 > s->height) {
+ if((mb_x*16+16 > s->width || mb_y*16+16 > s->height) && s->codec_id != CODEC_ID_AMV){
uint8_t *ebuf = s->edge_emu_buffer + 32;
s->dsp.emulated_edge_mc(ebuf, ptr_y, wrap_y, 16, 16, mb_x * 16,
mb_y * 16, s->width, s->height);
@@ -2070,6 +2081,7 @@ static av_always_inline void encode_mb_internal(MpegEncContext *s,
ff_h263_encode_mb(s, s->block, motion_x, motion_y);
break;
case CODEC_ID_MJPEG:
+ case CODEC_ID_AMV:
if (CONFIG_MJPEG_ENCODER)
ff_mjpeg_encode_mb(s, s->block);
break;
@@ -2414,6 +2426,11 @@ static int encode_thread(AVCodecContext *c, void *arg){
s->current_picture.f.error[i] = 0;
}
+ if(s->codec_id==CODEC_ID_AMV){
+ s->last_dc[0] = 128*8/13;
+ s->last_dc[1] = 128*8/14;
+ s->last_dc[2] = 128*8/14;
+ }
s->mb_skip_run = 0;
memset(s->last_mv, 0, sizeof(s->last_mv));
@@ -2458,7 +2475,7 @@ static int encode_thread(AVCodecContext *c, void *arg){
if(s->data_partitioning){
if( s->pb2 .buf_end - s->pb2 .buf - (put_bits_count(&s-> pb2)>>3) < MAX_MB_BYTES
|| s->tex_pb.buf_end - s->tex_pb.buf - (put_bits_count(&s->tex_pb )>>3) < MAX_MB_BYTES){
- av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n");
+ av_log(s->avctx, AV_LOG_ERROR, "encoded partitioned frame too large\n");
return -1;
}
}
@@ -3142,6 +3159,13 @@ static int encode_picture(MpegEncContext *s, int picture_number)
update_qscale(s);
}
+ if(s->codec_id != CODEC_ID_AMV){
+ if(s->q_chroma_intra_matrix != s->q_intra_matrix ) av_freep(&s->q_chroma_intra_matrix);
+ if(s->q_chroma_intra_matrix16 != s->q_intra_matrix16) av_freep(&s->q_chroma_intra_matrix16);
+ s->q_chroma_intra_matrix = s->q_intra_matrix;
+ s->q_chroma_intra_matrix16 = s->q_intra_matrix16;
+ }
+
s->mb_intra=0; //for the rate distortion & bit compare functions
for(i=1; i<context_count; i++){
ff_update_duplicate_context(s->thread_context[i], s);
@@ -3259,6 +3283,25 @@ static int encode_picture(MpegEncContext *s, int picture_number)
s->intra_matrix, s->intra_quant_bias, 8, 8, 1);
s->qscale= 8;
}
+ if(s->codec_id == CODEC_ID_AMV){
+ static const uint8_t y[32]={13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13};
+ static const uint8_t c[32]={14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14};
+ for(i=1;i<64;i++){
+ int j= s->dsp.idct_permutation[ff_zigzag_direct[i]];
+
+ s->intra_matrix[j] = sp5x_quant_table[5*2+0][i];
+ s->chroma_intra_matrix[j] = sp5x_quant_table[5*2+1][i];
+ }
+ s->y_dc_scale_table= y;
+ s->c_dc_scale_table= c;
+ s->intra_matrix[0] = 13;
+ s->chroma_intra_matrix[0] = 14;
+ ff_convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
+ s->intra_matrix, s->intra_quant_bias, 8, 8, 1);
+ ff_convert_matrix(&s->dsp, s->q_chroma_intra_matrix, s->q_chroma_intra_matrix16,
+ s->chroma_intra_matrix, s->intra_quant_bias, 8, 8, 1);
+ s->qscale= 8;
+ }
//FIXME var duplication
s->current_picture_ptr->f.key_frame =
@@ -3393,7 +3436,7 @@ static int dct_quantize_trellis_c(MpegEncContext *s,
block[0] = (block[0] + (q >> 1)) / q;
start_i = 1;
last_non_zero = 0;
- qmat = s->q_intra_matrix[qscale];
+ qmat = n < 4 ? s->q_intra_matrix[qscale] : s->q_chroma_intra_matrix[qscale];
if(s->mpeg_quant || s->out_format == FMT_MPEG1)
bias= 1<<(QMAT_SHIFT-1);
length = s->intra_ac_vlc_length;
@@ -4060,7 +4103,7 @@ int ff_dct_quantize_c(MpegEncContext *s,
block[0] = (block[0] + (q >> 1)) / q;
start_i = 1;
last_non_zero = 0;
- qmat = s->q_intra_matrix[qscale];
+ qmat = n < 4 ? s->q_intra_matrix[qscale] : s->q_chroma_intra_matrix[qscale];
bias= s->intra_quant_bias<<(QMAT_SHIFT - QUANT_BIAS_SHIFT);
} else {
start_i = 0;
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-15 13:50:26 +0000