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Diffstat (limited to 'src/libffmpeg/libavcodec/mpegvideo.c')
-rw-r--r--src/libffmpeg/libavcodec/mpegvideo.c76
1 files changed, 40 insertions, 36 deletions
diff --git a/src/libffmpeg/libavcodec/mpegvideo.c b/src/libffmpeg/libavcodec/mpegvideo.c
index d263c46d5..9aa258f95 100644
--- a/src/libffmpeg/libavcodec/mpegvideo.c
+++ b/src/libffmpeg/libavcodec/mpegvideo.c
@@ -528,8 +528,7 @@ int MPV_encode_init(AVCodecContext *avctx)
{
MpegEncContext *s = avctx->priv_data;
int i;
-
- avctx->pix_fmt = PIX_FMT_YUV420P;
+ int chroma_h_shift, chroma_v_shift;
s->bit_rate = avctx->bit_rate;
s->bit_rate_tolerance = avctx->bit_rate_tolerance;
@@ -620,22 +619,25 @@ int MPV_encode_init(AVCodecContext *avctx)
s->intra_quant_bias= avctx->intra_quant_bias;
if(avctx->inter_quant_bias != FF_DEFAULT_QUANT_BIAS)
s->inter_quant_bias= avctx->inter_quant_bias;
-
+
+ avcodec_get_chroma_sub_sample(avctx->pix_fmt, &chroma_h_shift, &chroma_v_shift);
+
switch(avctx->codec->id) {
case CODEC_ID_MPEG1VIDEO:
s->out_format = FMT_MPEG1;
s->low_delay= 0; //s->max_b_frames ? 0 : 1;
avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
break;
+ case CODEC_ID_LJPEG:
case CODEC_ID_MJPEG:
s->out_format = FMT_MJPEG;
s->intra_only = 1; /* force intra only for jpeg */
s->mjpeg_write_tables = 1; /* write all tables */
s->mjpeg_data_only_frames = 0; /* write all the needed headers */
- s->mjpeg_vsample[0] = 2; /* set up default sampling factors */
- s->mjpeg_vsample[1] = 1; /* the only currently supported values */
+ s->mjpeg_vsample[0] = 1<<chroma_v_shift;
+ s->mjpeg_vsample[1] = 1;
s->mjpeg_vsample[2] = 1;
- s->mjpeg_hsample[0] = 2;
+ s->mjpeg_hsample[0] = 1<<chroma_h_shift;
s->mjpeg_hsample[1] = 1;
s->mjpeg_hsample[2] = 1;
if (mjpeg_init(s) < 0)
@@ -761,9 +763,7 @@ int MPV_encode_init(AVCodecContext *avctx)
if (MPV_common_init(s) < 0)
return -1;
-#ifdef CONFIG_ENCODERS_FULL
ff_init_me(s);
-#endif
#ifdef CONFIG_ENCODERS
#ifdef CONFIG_RISKY
@@ -1550,10 +1550,8 @@ int MPV_encode_picture(AVCodecContext *avctx,
if (s->out_format == FMT_MJPEG)
mjpeg_picture_trailer(s);
-#ifdef CONFIG_ENCODERS_FULL
if(s->flags&CODEC_FLAG_PASS1)
ff_write_pass1_stats(s);
-#endif
for(i=0; i<4; i++){
avctx->error[i] += s->current_picture_ptr->error[i];
@@ -1605,7 +1603,7 @@ static inline void gmc1_motion(MpegEncContext *s,
if(s->flags&CODEC_FLAG_EMU_EDGE){
if(src_x<0 || src_y<0 || src_x + 17 >= s->h_edge_pos
|| src_y + 17 >= s->v_edge_pos){
- ff_emulated_edge_mc(s, ptr, linesize, 17, 17, src_x, src_y, s->h_edge_pos, s->v_edge_pos);
+ ff_emulated_edge_mc(s->edge_emu_buffer, ptr, linesize, 17, 17, src_x, src_y, s->h_edge_pos, s->v_edge_pos);
ptr= s->edge_emu_buffer;
}
}
@@ -1644,7 +1642,7 @@ static inline void gmc1_motion(MpegEncContext *s,
if(s->flags&CODEC_FLAG_EMU_EDGE){
if(src_x<0 || src_y<0 || src_x + 9 >= s->h_edge_pos>>1
|| src_y + 9 >= s->v_edge_pos>>1){
- ff_emulated_edge_mc(s, ptr, uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
+ ff_emulated_edge_mc(s->edge_emu_buffer, ptr, uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
ptr= s->edge_emu_buffer;
emu=1;
}
@@ -1653,7 +1651,7 @@ static inline void gmc1_motion(MpegEncContext *s,
ptr = ref_picture[2] + offset;
if(emu){
- ff_emulated_edge_mc(s, ptr, uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
+ ff_emulated_edge_mc(s->edge_emu_buffer, ptr, uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
ptr= s->edge_emu_buffer;
}
s->dsp.gmc1(dest_cr + (dest_offset>>1), ptr, uvlinesize, 8, motion_x&15, motion_y&15, 128 - s->no_rounding);
@@ -1724,12 +1722,22 @@ static inline void gmc_motion(MpegEncContext *s,
s->h_edge_pos>>1, s->v_edge_pos>>1);
}
-
-void ff_emulated_edge_mc(MpegEncContext *s, uint8_t *src, int linesize, int block_w, int block_h,
+/**
+ * Copies a rectangular area of samples to a temporary buffer and replicates the boarder samples.
+ * @param buf destination buffer
+ * @param src source buffer
+ * @param linesize number of bytes between 2 vertically adjacent samples in both the source and destination buffers
+ * @param block_w width of block
+ * @param block_h height of block
+ * @param src_x x coordinate of the top left sample of the block in the source buffer
+ * @param src_y y coordinate of the top left sample of the block in the source buffer
+ * @param w width of the source buffer
+ * @param h height of the source buffer
+ */
+void ff_emulated_edge_mc(uint8_t *buf, uint8_t *src, int linesize, int block_w, int block_h,
int src_x, int src_y, int w, int h){
int x, y;
int start_y, start_x, end_y, end_x;
- uint8_t *buf= s->edge_emu_buffer;
if(src_y>= h){
src+= (h-1-src_y)*linesize;
@@ -1825,7 +1833,7 @@ if(s->quarter_sample)
if(s->flags&CODEC_FLAG_EMU_EDGE){
if(src_x<0 || src_y<0 || src_x + (motion_x&1) + 16 > s->h_edge_pos
|| src_y + (motion_y&1) + h > v_edge_pos){
- ff_emulated_edge_mc(s, ptr - src_offset, s->linesize, 17, 17+field_based, //FIXME linesize? and uv below
+ ff_emulated_edge_mc(s->edge_emu_buffer, ptr - src_offset, s->linesize, 17, 17+field_based, //FIXME linesize? and uv below
src_x, src_y<<field_based, s->h_edge_pos, s->v_edge_pos);
ptr= s->edge_emu_buffer + src_offset;
emu=1;
@@ -1862,7 +1870,7 @@ if(s->quarter_sample)
offset = (src_y * uvlinesize) + src_x + (src_offset >> 1);
ptr = ref_picture[1] + offset;
if(emu){
- ff_emulated_edge_mc(s, ptr - (src_offset >> 1), s->uvlinesize, 9, 9+field_based,
+ ff_emulated_edge_mc(s->edge_emu_buffer, ptr - (src_offset >> 1), s->uvlinesize, 9, 9+field_based,
src_x, src_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1);
ptr= s->edge_emu_buffer + (src_offset >> 1);
}
@@ -1870,7 +1878,7 @@ if(s->quarter_sample)
ptr = ref_picture[2] + offset;
if(emu){
- ff_emulated_edge_mc(s, ptr - (src_offset >> 1), s->uvlinesize, 9, 9+field_based,
+ ff_emulated_edge_mc(s->edge_emu_buffer, ptr - (src_offset >> 1), s->uvlinesize, 9, 9+field_based,
src_x, src_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1);
ptr= s->edge_emu_buffer + (src_offset >> 1);
}
@@ -1910,7 +1918,7 @@ static inline void qpel_motion(MpegEncContext *s,
if(s->flags&CODEC_FLAG_EMU_EDGE){
if(src_x<0 || src_y<0 || src_x + (motion_x&3) + 16 > s->h_edge_pos
|| src_y + (motion_y&3) + h > v_edge_pos){
- ff_emulated_edge_mc(s, ptr - src_offset, s->linesize, 17, 17+field_based,
+ ff_emulated_edge_mc(s->edge_emu_buffer, ptr - src_offset, s->linesize, 17, 17+field_based,
src_x, src_y<<field_based, s->h_edge_pos, s->v_edge_pos);
ptr= s->edge_emu_buffer + src_offset;
emu=1;
@@ -1960,7 +1968,7 @@ static inline void qpel_motion(MpegEncContext *s,
offset = (src_y * uvlinesize) + src_x + (src_offset >> 1);
ptr = ref_picture[1] + offset;
if(emu){
- ff_emulated_edge_mc(s, ptr - (src_offset >> 1), s->uvlinesize, 9, 9 + field_based,
+ ff_emulated_edge_mc(s->edge_emu_buffer, ptr - (src_offset >> 1), s->uvlinesize, 9, 9 + field_based,
src_x, src_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1);
ptr= s->edge_emu_buffer + (src_offset >> 1);
}
@@ -1968,7 +1976,7 @@ static inline void qpel_motion(MpegEncContext *s,
ptr = ref_picture[2] + offset;
if(emu){
- ff_emulated_edge_mc(s, ptr - (src_offset >> 1), s->uvlinesize, 9, 9 + field_based,
+ ff_emulated_edge_mc(s->edge_emu_buffer, ptr - (src_offset >> 1), s->uvlinesize, 9, 9 + field_based,
src_x, src_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1);
ptr= s->edge_emu_buffer + (src_offset >> 1);
}
@@ -2062,7 +2070,7 @@ static inline void MPV_motion(MpegEncContext *s,
if(s->flags&CODEC_FLAG_EMU_EDGE){
if(src_x<0 || src_y<0 || src_x + (motion_x&3) + 8 > s->h_edge_pos
|| src_y + (motion_y&3) + 8 > s->v_edge_pos){
- ff_emulated_edge_mc(s, ptr, s->linesize, 9, 9, src_x, src_y, s->h_edge_pos, s->v_edge_pos);
+ ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->linesize, 9, 9, src_x, src_y, s->h_edge_pos, s->v_edge_pos);
ptr= s->edge_emu_buffer;
}
}
@@ -2093,7 +2101,7 @@ static inline void MPV_motion(MpegEncContext *s,
if(s->flags&CODEC_FLAG_EMU_EDGE){
if(src_x<0 || src_y<0 || src_x + (motion_x&1) + 8 > s->h_edge_pos
|| src_y + (motion_y&1) + 8 > s->v_edge_pos){
- ff_emulated_edge_mc(s, ptr, s->linesize, 9, 9, src_x, src_y, s->h_edge_pos, s->v_edge_pos);
+ ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->linesize, 9, 9, src_x, src_y, s->h_edge_pos, s->v_edge_pos);
ptr= s->edge_emu_buffer;
}
}
@@ -2128,7 +2136,7 @@ static inline void MPV_motion(MpegEncContext *s,
if(s->flags&CODEC_FLAG_EMU_EDGE){
if(src_x<0 || src_y<0 || src_x + (dxy &1) + 8 > s->h_edge_pos>>1
|| src_y + (dxy>>1) + 8 > s->v_edge_pos>>1){
- ff_emulated_edge_mc(s, ptr, s->uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
+ ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
ptr= s->edge_emu_buffer;
emu=1;
}
@@ -2137,7 +2145,7 @@ static inline void MPV_motion(MpegEncContext *s,
ptr = ref_picture[2] + offset;
if(emu){
- ff_emulated_edge_mc(s, ptr, s->uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
+ ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
ptr= s->edge_emu_buffer;
}
pix_op[1][dxy](dest_cr, ptr, s->uvlinesize, 8);
@@ -2676,7 +2684,7 @@ static void encode_mb(MpegEncContext *s, int motion_x, int motion_y)
ptr = s->new_picture.data[0] + (mb_y * 16 * wrap_y) + mb_x * 16;
if(mb_x*16+16 > s->width || mb_y*16+16 > s->height){
- ff_emulated_edge_mc(s, ptr, wrap_y, 16, 16, mb_x*16, mb_y*16, s->width, s->height);
+ ff_emulated_edge_mc(s->edge_emu_buffer, ptr, wrap_y, 16, 16, mb_x*16, mb_y*16, s->width, s->height);
ptr= s->edge_emu_buffer;
emu=1;
}
@@ -2708,14 +2716,14 @@ static void encode_mb(MpegEncContext *s, int motion_x, int motion_y)
int wrap_c = s->uvlinesize;
ptr = s->new_picture.data[1] + (mb_y * 8 * wrap_c) + mb_x * 8;
if(emu){
- ff_emulated_edge_mc(s, ptr, wrap_c, 8, 8, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
+ ff_emulated_edge_mc(s->edge_emu_buffer, ptr, wrap_c, 8, 8, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
ptr= s->edge_emu_buffer;
}
s->dsp.get_pixels(s->block[4], ptr, wrap_c);
ptr = s->new_picture.data[2] + (mb_y * 8 * wrap_c) + mb_x * 8;
if(emu){
- ff_emulated_edge_mc(s, ptr, wrap_c, 8, 8, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
+ ff_emulated_edge_mc(s->edge_emu_buffer, ptr, wrap_c, 8, 8, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
ptr= s->edge_emu_buffer;
}
s->dsp.get_pixels(s->block[5], ptr, wrap_c);
@@ -2755,7 +2763,7 @@ static void encode_mb(MpegEncContext *s, int motion_x, int motion_y)
}
if(mb_x*16+16 > s->width || mb_y*16+16 > s->height){
- ff_emulated_edge_mc(s, ptr_y, wrap_y, 16, 16, mb_x*16, mb_y*16, s->width, s->height);
+ ff_emulated_edge_mc(s->edge_emu_buffer, ptr_y, wrap_y, 16, 16, mb_x*16, mb_y*16, s->width, s->height);
ptr_y= s->edge_emu_buffer;
emu=1;
}
@@ -2787,12 +2795,12 @@ static void encode_mb(MpegEncContext *s, int motion_x, int motion_y)
skip_dct[5]= 1;
}else{
if(emu){
- ff_emulated_edge_mc(s, ptr_cb, wrap_c, 8, 8, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
+ ff_emulated_edge_mc(s->edge_emu_buffer, ptr_cb, wrap_c, 8, 8, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
ptr_cb= s->edge_emu_buffer;
}
s->dsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c);
if(emu){
- ff_emulated_edge_mc(s, ptr_cr, wrap_c, 8, 8, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
+ ff_emulated_edge_mc(s->edge_emu_buffer, ptr_cr, wrap_c, 8, 8, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
ptr_cr= s->edge_emu_buffer;
}
s->dsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c);
@@ -3129,7 +3137,6 @@ static void encode_picture(MpegEncContext *s, int picture_number)
/* Estimate motion for every MB */
s->mb_intra=0; //for the rate distoration & bit compare functions
if(s->pict_type != I_TYPE){
-#ifdef CONFIG_ENCODERS_FULL
if(s->pict_type != B_TYPE){
if((s->avctx->pre_me && s->last_non_b_pict_type==I_TYPE) || s->avctx->pre_me==2){
s->me.pre_pass=1;
@@ -3167,7 +3174,6 @@ static void encode_picture(MpegEncContext *s, int picture_number)
ff_estimate_p_frame_motion(s, mb_x, mb_y);
}
}
-#endif
}else /* if(s->pict_type == I_TYPE) */{
/* I-Frame */
//FIXME do we need to zero them?
@@ -3202,7 +3208,6 @@ static void encode_picture(MpegEncContext *s, int picture_number)
//printf("Scene change detected, encoding as I Frame %d %d\n", s->current_picture.mb_var_sum, s->current_picture.mc_mb_var_sum);
}
-#ifdef CONFIG_ENCODERS_FULL
if(!s->umvplus){
if(s->pict_type==P_TYPE || s->pict_type==S_TYPE) {
s->f_code= ff_get_best_fcode(s, s->p_mv_table, MB_TYPE_INTER);
@@ -3227,7 +3232,6 @@ static void encode_picture(MpegEncContext *s, int picture_number)
ff_fix_long_b_mvs(s, s->b_bidir_back_mv_table, s->b_code, MB_TYPE_BIDIR);
}
}
-#endif
if (s->fixed_qscale)
s->frame_qscale = s->current_picture.quality;
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-28 09:33:05 +0000