Remove superfluous setting of has_b_frames in codecs without B-frames.

patch by Nicholas Tung, ntung ntung com

Originally committed as revision 8647 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/8bps.c

@@ -155,7 +155,6 @@ static int decode_init(AVCodecContext *avctx)
         EightBpsContext * const c = (EightBpsContext *)avctx->priv_data;
 
         c->avctx = avctx;
-        avctx->has_b_frames = 0;
 
         c->pic.data[0] = NULL;
 

libavcodec/cinepak.c

@@ -407,7 +407,6 @@ static int cinepak_decode_init(AVCodecContext *avctx)
         avctx->pix_fmt = PIX_FMT_PAL8;
     }
 
-    avctx->has_b_frames = 0;
     dsputil_init(&s->dsp, avctx);
 
     s->frame.data[0] = NULL;

libavcodec/cscd.c

@@ -218,7 +218,6 @@ static int decode_init(AVCodecContext *avctx) {
     if (avcodec_check_dimensions(avctx, avctx->height, avctx->width) < 0) {
         return 1;
     }
-    avctx->has_b_frames = 0;
     switch (avctx->bits_per_sample) {
         case 16: avctx->pix_fmt = PIX_FMT_RGB555; break;
         case 24: avctx->pix_fmt = PIX_FMT_BGR24; break;

libavcodec/cyuv.c

@@ -58,7 +58,6 @@ static int cyuv_decode_init(AVCodecContext *avctx)
         return -1;
     s->height = avctx->height;
     avctx->pix_fmt = PIX_FMT_YUV411P;
-    avctx->has_b_frames = 0;
 
     return 0;
 }

libavcodec/dsicinav.c

@@ -93,7 +93,6 @@ static int cinvideo_decode_init(AVCodecContext *avctx)
 
     cin->avctx = avctx;
     avctx->pix_fmt = PIX_FMT_PAL8;
-    avctx->has_b_frames = 0;
 
     cin->frame.data[0] = NULL;
 

libavcodec/flashsv.c

@@ -95,7 +95,6 @@ static int flashsv_decode_init(AVCodecContext *avctx)
         return 1;
     }
     avctx->pix_fmt = PIX_FMT_BGR24;
-    avctx->has_b_frames = 0;
     s->frame.data[0] = NULL;
 
     return 0;

libavcodec/flicvideo.c

@@ -85,7 +85,6 @@ static int flic_decode_init(AVCodecContext *avctx)
     int depth;
 
     s->avctx = avctx;
-    avctx->has_b_frames = 0;
 
     s->fli_type = AV_RL16(&fli_header[4]); /* Might be overridden if a Magic Carpet FLC */
     depth       = AV_RL16(&fli_header[12]);

libavcodec/fraps.c

@@ -73,7 +73,6 @@ static int decode_init(AVCodecContext *avctx)
     FrapsContext * const s = avctx->priv_data;
 
     avctx->coded_frame = (AVFrame*)&s->frame;
-    avctx->has_b_frames = 0;
     avctx->pix_fmt= PIX_FMT_NONE; /* set in decode_frame */
 
     s->avctx = avctx;

libavcodec/idcinvideo.c

@@ -155,7 +155,6 @@ static int idcin_decode_init(AVCodecContext *avctx)
 
     s->avctx = avctx;
     avctx->pix_fmt = PIX_FMT_PAL8;
-    avctx->has_b_frames = 0;
     dsputil_init(&s->dsp, avctx);
 
     /* make sure the Huffman tables make it */

libavcodec/indeo3.c

@@ -1066,7 +1066,6 @@ static int indeo3_decode_init(AVCodecContext *avctx)
     s->width = avctx->width;
     s->height = avctx->height;
     avctx->pix_fmt = PIX_FMT_YUV410P;
-    avctx->has_b_frames = 0;
 
     build_modpred(s);
     iv_alloc_frames(s);

libavcodec/interplayvideo.c

@@ -865,7 +865,6 @@ static int ipvideo_decode_init(AVCodecContext *avctx)
     }
 
     avctx->pix_fmt = PIX_FMT_PAL8;
-    avctx->has_b_frames = 0;
     dsputil_init(&s->dsp, avctx);
 
     /* decoding map contains 4 bits of information per 8x8 block */

libavcodec/lcl.c

@@ -624,7 +624,6 @@ static int decode_init(AVCodecContext *avctx)
     int zret; // Zlib return code
 
     c->avctx = avctx;
-    avctx->has_b_frames = 0;
 
     c->pic.data[0] = NULL;
 

libavcodec/mmvideo.c

@@ -59,7 +59,6 @@ static int mm_decode_init(AVCodecContext *avctx)
     }
 
     avctx->pix_fmt = PIX_FMT_PAL8;
-    avctx->has_b_frames = 0;
 
     if (avcodec_check_dimensions(avctx, avctx->width, avctx->height))
         return -1;

libavcodec/msrle.c

@@ -244,7 +244,6 @@ static int msrle_decode_init(AVCodecContext *avctx)
     s->avctx = avctx;
 
     avctx->pix_fmt = PIX_FMT_PAL8;
-    avctx->has_b_frames = 0;
     s->frame.data[0] = NULL;
 
     return 0;

libavcodec/msvideo1.c

@@ -76,7 +76,6 @@ static int msvideo1_decode_init(AVCodecContext *avctx)
         avctx->pix_fmt = PIX_FMT_RGB555;
     }
 
-    avctx->has_b_frames = 0;
     dsputil_init(&s->dsp, avctx);
 
     s->frame.data[0] = NULL;

libavcodec/nuv.c

@@ -176,7 +176,6 @@ static int decode_init(AVCodecContext *avctx) {
     if (avcodec_check_dimensions(avctx, avctx->height, avctx->width) < 0) {
         return 1;
     }
-    avctx->has_b_frames = 0;
     avctx->pix_fmt = PIX_FMT_YUV420P;
     c->pic.data[0] = NULL;
     c->width = avctx->width;

libavcodec/qtrle.c

@@ -523,7 +523,6 @@ static int qtrle_decode_init(AVCodecContext *avctx)
             avctx->bits_per_sample);
         break;
     }
-    avctx->has_b_frames = 0;
     dsputil_init(&s->dsp, avctx);
 
     s->frame.data[0] = NULL;

libavcodec/roqvideo.c

@@ -411,7 +411,6 @@ static int roq_decode_init(AVCodecContext *avctx)
     s->last_frame    = &s->frames[0];
     s->current_frame = &s->frames[1];
     avctx->pix_fmt = PIX_FMT_YUV420P;
-    avctx->has_b_frames = 0;
     dsputil_init(&s->dsp, avctx);
 
     uiclp = uiclip+512;

libavcodec/rpza.c

@@ -236,7 +236,6 @@ static int rpza_decode_init(AVCodecContext *avctx)
 
     s->avctx = avctx;
     avctx->pix_fmt = PIX_FMT_RGB555;
-    avctx->has_b_frames = 0;
     dsputil_init(&s->dsp, avctx);
 
     s->frame.data[0] = NULL;

libavcodec/smacker.c

@@ -518,7 +518,6 @@ static int decode_init(AVCodecContext *avctx)
     SmackVContext * const c = (SmackVContext *)avctx->priv_data;
 
     c->avctx = avctx;
-    avctx->has_b_frames = 0;
 
     c->pic.data[0] = NULL;
 

libavcodec/smc.c

@@ -436,7 +436,6 @@ static int smc_decode_init(AVCodecContext *avctx)
 
     s->avctx = avctx;
     avctx->pix_fmt = PIX_FMT_PAL8;
-    avctx->has_b_frames = 0;
     dsputil_init(&s->dsp, avctx);
 
     s->frame.data[0] = NULL;

libavcodec/tiertexseqv.c

@@ -180,7 +180,6 @@ static int seqvideo_decode_init(AVCodecContext *avctx)
 
     seq->avctx = avctx;
     avctx->pix_fmt = PIX_FMT_PAL8;
-    avctx->has_b_frames = 0;
 
     seq->frame.data[0] = NULL;
 

libavcodec/truemotion1.c

@@ -475,7 +475,6 @@ static int truemotion1_decode_init(AVCodecContext *avctx)
 //    else
 //        avctx->pix_fmt = PIX_FMT_RGB555;
 
-    avctx->has_b_frames = 0;
     s->frame.data[0] = s->prev_frame.data[0] = NULL;
 
     /* there is a vertical predictor for each pixel in a line; each vertical

libavcodec/vmdav.c

@@ -328,7 +328,6 @@ static int vmdvideo_decode_init(AVCodecContext *avctx)
 
     s->avctx = avctx;
     avctx->pix_fmt = PIX_FMT_PAL8;
-    avctx->has_b_frames = 0;
     dsputil_init(&s->dsp, avctx);
 
     /* make sure the VMD header made it */

libavcodec/vp3.c

@@ -1955,7 +1955,6 @@ static int vp3_decode_init(AVCodecContext *avctx)
     s->width = (avctx->width + 15) & 0xFFFFFFF0;
     s->height = (avctx->height + 15) & 0xFFFFFFF0;
     avctx->pix_fmt = PIX_FMT_YUV420P;
-    avctx->has_b_frames = 0;
     if(avctx->idct_algo==FF_IDCT_AUTO)
         avctx->idct_algo=FF_IDCT_VP3;
     dsputil_init(&s->dsp, avctx);

libavcodec/vqavideo.c

@@ -139,7 +139,6 @@ static int vqa_decode_init(AVCodecContext *avctx)
 
     s->avctx = avctx;
     avctx->pix_fmt = PIX_FMT_PAL8;
-    avctx->has_b_frames = 0;
     dsputil_init(&s->dsp, avctx);
 
     /* make sure the extradata made it */

libavcodec/xan.c

@@ -70,7 +70,6 @@ static int xan_decode_init(AVCodecContext *avctx)
     }
 
     avctx->pix_fmt = PIX_FMT_PAL8;
-    avctx->has_b_frames = 0;
 
     if(avcodec_check_dimensions(avctx, avctx->width, avctx->height))
         return -1;