ffv1: add 1 status byte to slices in in case crcs are stored too.

[ffmpeg] / libavcodec / pnmdec.c

diff --git a/libavcodec/pnmdec.c b/libavcodec/pnmdec.c
index e6c91ef99601c4d55f3f23a7a80d3f6990b1ed7e..c49b019b1700b2540c0843b5924597b696ac6a3b 100644 (file)
--- a/libavcodec/pnmdec.c
+++ b/libavcodec/pnmdec.c
@@ -31,7 +31,7 @@ static int pnm_decode_frame(AVCodecContext *avctx, void *data,
     int buf_size         = avpkt->size;
     PNMContext * const s = avctx->priv_data;
     AVFrame *picture     = data;
-    AVFrame * const p    = (AVFrame*)&s->picture;
+    AVFrame * const p    = &s->picture;
     int i, j, n, linesize, h, upgrade = 0, is_mono = 0;
     unsigned char *ptr;
     int components, sample_len;
@@ -108,20 +108,21 @@ static int pnm_decode_frame(AVCodecContext *avctx, void *data,
         linesize = p->linesize[0];
         if (s->bytestream + n * avctx->height > s->bytestream_end)
             return -1;
-        if(s->type < 4){
+        if(s->type < 4 || (is_mono && s->type==7)){
             for (i=0; i<avctx->height; i++) {
                 PutBitContext pb;
                 init_put_bits(&pb, ptr, linesize);
                 for(j=0; j<avctx->width * components; j++){
                     unsigned int c=0;
                     int v=0;
+                    if(s->type < 4)
                     while(s->bytestream < s->bytestream_end && (*s->bytestream < '0' || *s->bytestream > '9' ))
                         s->bytestream++;
                     if(s->bytestream >= s->bytestream_end)
                         return -1;
                     if (is_mono) {
                         /* read a single digit */
-                        v = (*s->bytestream++) - '0';
+                        v = (*s->bytestream++)&1;
                     } else {
                         /* read a sequence of digits */
                         do {
@@ -183,7 +184,7 @@ static int pnm_decode_frame(AVCodecContext *avctx, void *data,
         }
         break;
     }
-    *picture   = *(AVFrame*)&s->picture;
+    *picture   = s->picture;
     *data_size = sizeof(AVPicture);
 
     return s->bytestream - s->bytestream_start;
@@ -200,8 +201,7 @@ AVCodec ff_pgm_decoder = {
     .close          = ff_pnm_end,
     .decode         = pnm_decode_frame,
     .capabilities   = CODEC_CAP_DR1,
-    .pix_fmts  = (const enum PixelFormat[]){PIX_FMT_GRAY8, PIX_FMT_GRAY16BE, PIX_FMT_NONE},
-    .long_name = NULL_IF_CONFIG_SMALL("PGM (Portable GrayMap) image"),
+    .long_name      = NULL_IF_CONFIG_SMALL("PGM (Portable GrayMap) image"),
 };
 #endif
 
@@ -215,8 +215,7 @@ AVCodec ff_pgmyuv_decoder = {
     .close          = ff_pnm_end,
     .decode         = pnm_decode_frame,
     .capabilities   = CODEC_CAP_DR1,
-    .pix_fmts  = (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
-    .long_name = NULL_IF_CONFIG_SMALL("PGMYUV (Portable GrayMap YUV) image"),
+    .long_name      = NULL_IF_CONFIG_SMALL("PGMYUV (Portable GrayMap YUV) image"),
 };
 #endif
 
@@ -230,8 +229,7 @@ AVCodec ff_ppm_decoder = {
     .close          = ff_pnm_end,
     .decode         = pnm_decode_frame,
     .capabilities   = CODEC_CAP_DR1,
-    .pix_fmts  = (const enum PixelFormat[]){PIX_FMT_RGB24, PIX_FMT_RGB48BE, PIX_FMT_NONE},
-    .long_name = NULL_IF_CONFIG_SMALL("PPM (Portable PixelMap) image"),
+    .long_name      = NULL_IF_CONFIG_SMALL("PPM (Portable PixelMap) image"),
 };
 #endif
 
@@ -245,8 +243,7 @@ AVCodec ff_pbm_decoder = {
     .close          = ff_pnm_end,
     .decode         = pnm_decode_frame,
     .capabilities   = CODEC_CAP_DR1,
-    .pix_fmts  = (const enum PixelFormat[]){PIX_FMT_MONOWHITE, PIX_FMT_NONE},
-    .long_name = NULL_IF_CONFIG_SMALL("PBM (Portable BitMap) image"),
+    .long_name      = NULL_IF_CONFIG_SMALL("PBM (Portable BitMap) image"),
 };
 #endif
 
@@ -260,7 +257,6 @@ AVCodec ff_pam_decoder = {
     .close          = ff_pnm_end,
     .decode         = pnm_decode_frame,
     .capabilities   = CODEC_CAP_DR1,
-    .pix_fmts  = (const enum PixelFormat[]){PIX_FMT_RGB24, PIX_FMT_RGB32, PIX_FMT_GRAY8, PIX_FMT_MONOWHITE, PIX_FMT_NONE},
-    .long_name = NULL_IF_CONFIG_SMALL("PAM (Portable AnyMap) image"),
+    .long_name      = NULL_IF_CONFIG_SMALL("PAM (Portable AnyMap) image"),
 };
 #endif