doc: issue tracking: fix grammar/spelling

[ffmpeg] / libavcodec / mpeg4videoenc.c

diff --git a/libavcodec/mpeg4videoenc.c b/libavcodec/mpeg4videoenc.c
index 2760ca064fea42779cb7392111359bb3c620a257..bf94028b2afe78f312ba9b7123b09475faf879a1 100644 (file)
--- a/libavcodec/mpeg4videoenc.c
+++ b/libavcodec/mpeg4videoenc.c
@@ -20,6 +20,8 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include "libavutil/log.h"
+#include "libavutil/opt.h"
 #include "mpegvideo.h"
 #include "h263.h"
 #include "mpeg4video.h"
@@ -124,7 +126,7 @@ static inline int decide_ac_pred(MpegEncContext * s, DCTELEM block[6][64], const
 {
     int score= 0;
     int i, n;
-    int8_t * const qscale_table= s->current_picture.qscale_table;
+    int8_t * const qscale_table = s->current_picture.f.qscale_table;
 
     memcpy(zigzag_last_index, s->block_last_index, sizeof(int)*6);
 
@@ -201,7 +203,7 @@ static inline int decide_ac_pred(MpegEncContext * s, DCTELEM block[6][64], const
  */
 void ff_clean_mpeg4_qscales(MpegEncContext *s){
     int i;
-    int8_t * const qscale_table= s->current_picture.qscale_table;
+    int8_t * const qscale_table = s->current_picture.f.qscale_table;
 
     ff_clean_h263_qscales(s);
 
@@ -457,7 +459,7 @@ void mpeg4_encode_mb(MpegEncContext * s,
             assert(mb_type>=0);
 
             /* nothing to do if this MB was skipped in the next P Frame */
-            if(s->next_picture.mbskip_table[s->mb_y * s->mb_stride + s->mb_x]){ //FIXME avoid DCT & ...
+            if (s->next_picture.f.mbskip_table[s->mb_y * s->mb_stride + s->mb_x]) { //FIXME avoid DCT & ...
                 s->skip_count++;
                 s->mv[0][0][0]=
                 s->mv[0][0][1]=
@@ -587,7 +589,7 @@ void mpeg4_encode_mb(MpegEncContext * s,
                     y= s->mb_y*16;
 
                     offset= x + y*s->linesize;
-                    p_pic= s->new_picture.data[0] + offset;
+                    p_pic = s->new_picture.f.data[0] + offset;
 
                     s->mb_skipped=1;
                     for(i=0; i<s->max_b_frames; i++){
@@ -595,10 +597,11 @@ void mpeg4_encode_mb(MpegEncContext * s,
                         int diff;
                         Picture *pic= s->reordered_input_picture[i+1];
 
-                        if(pic==NULL || pic->pict_type!=AV_PICTURE_TYPE_B) break;
+                        if (pic == NULL || pic->f.pict_type != AV_PICTURE_TYPE_B)
+                            break;
 
-                        b_pic= pic->data[0] + offset;
-                        if(pic->type != FF_BUFFER_TYPE_SHARED)
+                        b_pic = pic->f.data[0] + offset;
+                        if (pic->f.type != FF_BUFFER_TYPE_SHARED)
                             b_pic+= INPLACE_OFFSET;
 
                         if(x+16 > s->width || y+16 > s->height){
@@ -716,8 +719,8 @@ void mpeg4_encode_mb(MpegEncContext * s,
                     /* motion vectors: 8x8 mode*/
                     h263_pred_motion(s, i, 0, &pred_x, &pred_y);
 
-                    ff_h263_encode_motion_vector(s, s->current_picture.motion_val[0][ s->block_index[i] ][0] - pred_x,
-                                                    s->current_picture.motion_val[0][ s->block_index[i] ][1] - pred_y, s->f_code);
+                    ff_h263_encode_motion_vector(s, s->current_picture.f.motion_val[0][ s->block_index[i] ][0] - pred_x,
+                                                    s->current_picture.f.motion_val[0][ s->block_index[i] ][1] - pred_y, s->f_code);
                 }
             }
 
@@ -826,15 +829,15 @@ static void mpeg4_encode_gop_header(MpegEncContext * s){
     put_bits(&s->pb, 16, 0);
     put_bits(&s->pb, 16, GOP_STARTCODE);
 
-    time= s->current_picture_ptr->pts;
+    time = s->current_picture_ptr->f.pts;
     if(s->reordered_input_picture[1])
-        time= FFMIN(time, s->reordered_input_picture[1]->pts);
+        time = FFMIN(time, s->reordered_input_picture[1]->f.pts);
     time= time*s->avctx->time_base.num;
     s->last_time_base= FFUDIV(time, s->avctx->time_base.den);
 
     seconds= FFUDIV(time, s->avctx->time_base.den);
-    minutes= FFUDIV(seconds, 60); FFUMOD(seconds, 60);
-    hours  = FFUDIV(minutes, 60); FFUMOD(minutes, 60);
+    minutes= FFUDIV(seconds, 60); seconds = FFUMOD(seconds, 60);
+    hours  = FFUDIV(minutes, 60); minutes = FFUMOD(minutes, 60);
     hours  = FFUMOD(hours  , 24);
 
     put_bits(&s->pb, 5, hours);
@@ -1036,7 +1039,7 @@ void mpeg4_encode_picture_header(MpegEncContext * s, int picture_number)
     }
     put_bits(&s->pb, 3, 0);     /* intra dc VLC threshold */
     if(!s->progressive_sequence){
-         put_bits(&s->pb, 1, s->current_picture_ptr->top_field_first);
+         put_bits(&s->pb, 1, s->current_picture_ptr->f.top_field_first);
          put_bits(&s->pb, 1, s->alternate_scan);
     }
     //FIXME sprite stuff
@@ -1283,15 +1286,31 @@ void ff_mpeg4_encode_video_packet_header(MpegEncContext *s)
     put_bits(&s->pb, 1, 0); /* no HEC */
 }
 
+#define OFFSET(x) offsetof(MpegEncContext, x)
+#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
+static const AVOption options[] = {
+    { "data_partitioning",       "Use data partitioning.",      OFFSET(data_partitioning), FF_OPT_TYPE_INT, { 0 }, 0, 1, VE },
+    { "alternate_scan",          "Enable alternate scantable.", OFFSET(alternate_scan),    FF_OPT_TYPE_INT, { 0 }, 0, 1, VE },
+    { NULL },
+};
+
+static const AVClass mpeg4enc_class = {
+    .class_name = "MPEG4 encoder",
+    .item_name  = av_default_item_name,
+    .option     = options,
+    .version    = LIBAVUTIL_VERSION_INT,
+};
+
 AVCodec ff_mpeg4_encoder = {
-    "mpeg4",
-    AVMEDIA_TYPE_VIDEO,
-    CODEC_ID_MPEG4,
-    sizeof(MpegEncContext),
-    encode_init,
-    MPV_encode_picture,
-    MPV_encode_end,
+    .name           = "mpeg4",
+    .type           = AVMEDIA_TYPE_VIDEO,
+    .id             = CODEC_ID_MPEG4,
+    .priv_data_size = sizeof(MpegEncContext),
+    .init           = encode_init,
+    .encode         = MPV_encode_picture,
+    .close          = MPV_encode_end,
     .pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
     .capabilities= CODEC_CAP_DELAY | CODEC_CAP_SLICE_THREADS,
     .long_name= NULL_IF_CONFIG_SMALL("MPEG-4 part 2"),
+    .priv_class     = &mpeg4enc_class,
 };