avcodec: remove unnecessary calls to ff_init_buffer_info()

And remove the function altogether while at it. It's a duplicate of
another.
Reviewed-by: wm4 <nfxjfg@googlemail.com>
Signed-off-by: James Almer <jamrial@gmail.com>

libavcodec/decode.c

@@ -130,7 +130,7 @@ static int extract_packet_props(AVCodecInternal *avci, const AVPacket *pkt)
     if (pkt) {
         ret = av_packet_copy_props(avci->last_pkt_props, pkt);
         if (!ret)
-            avci->last_pkt_props->size = pkt->size; // HACK: Needed for ff_init_buffer_info().
+            avci->last_pkt_props->size = pkt->size; // HACK: Needed for ff_decode_frame_props().
     }
     return ret;
 }
@@ -1661,7 +1661,7 @@ static int add_metadata_from_side_data(const AVPacket *avpkt, AVFrame *frame)
     return av_packet_unpack_dictionary(side_metadata, size, frame_md);
 }
 
-int ff_init_buffer_info(AVCodecContext *avctx, AVFrame *frame)
+int ff_decode_frame_props(AVCodecContext *avctx, AVFrame *frame)
 {
     const AVPacket *pkt = avctx->internal->last_pkt_props;
     int i;
@@ -1769,11 +1769,6 @@ FF_ENABLE_DEPRECATION_WARNINGS
     return 0;
 }
 
-int ff_decode_frame_props(AVCodecContext *avctx, AVFrame *frame)
-{
-    return ff_init_buffer_info(avctx, frame);
-}
-
 static void validate_avframe_allocation(AVCodecContext *avctx, AVFrame *frame)
 {
     if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
@@ -1916,8 +1911,6 @@ static int reget_buffer_internal(AVCodecContext *avctx, AVFrame *frame)
         av_frame_unref(frame);
     }
 
-    ff_init_buffer_info(avctx, frame);
-
     if (!frame->data[0])
         return ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
 

libavcodec/internal.h

@@ -235,12 +235,6 @@ int ff_match_2uint16(const uint16_t (*tab)[2], int size, int a, int b);
 
 unsigned int avpriv_toupper4(unsigned int x);
 
-/**
- * does needed setup of pkt_pts/pos and such for (re)get_buffer();
- */
-int ff_init_buffer_info(AVCodecContext *s, AVFrame *frame);
-
-
 void ff_color_frame(AVFrame *frame, const int color[4]);
 
 /**

libavcodec/pthread_frame.c

@@ -886,8 +886,6 @@ static int thread_get_buffer_internal(AVCodecContext *avctx, ThreadFrame *f, int
 
     f->owner[0] = f->owner[1] = avctx;
 
-    ff_init_buffer_info(avctx, f->f);
-
     if (!(avctx->active_thread_type & FF_THREAD_FRAME))
         return ff_get_buffer(avctx, f->f, flags);
 

libavcodec/smvjpegdec.c

@@ -193,7 +193,6 @@ static int smvjpeg_decode_frame(AVCodecContext *avctx, void *data, int *data_siz
         s->picture[1]->width         = avctx->width;
         s->picture[1]->height        = avctx->height;
         s->picture[1]->format        = avctx->pix_fmt;
-        /* ff_init_buffer_info(avctx, &s->picture[1]); */
         smv_img_pnt(s->picture[1]->data, mjpeg_data->data, mjpeg_data->linesize,
                     avctx->pix_fmt, avctx->width, avctx->height, cur_frame);
         for (i = 0; i < AV_NUM_DATA_POINTERS; i++)