mpeg12: do not fail on zero dimensions in the sequence header.

[ffmpeg] / libavcodec / pamenc.c

diff --git a/libavcodec/pamenc.c b/libavcodec/pamenc.c
index 599b7e9a27154fb016aec93b5f088ef3352f5fa2..dba47717e2526929675b6daf56010c1d087831d8 100644 (file)
--- a/libavcodec/pamenc.c
+++ b/libavcodec/pamenc.c
@@ -29,7 +29,7 @@ static int pam_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
                             const AVFrame *pict, int *got_packet)
 {
     PNMContext *s     = avctx->priv_data;
-    AVFrame * const p = (AVFrame*)&s->picture;
+    AVFrame * const p = &s->picture;
     int i, h, w, n, linesize, depth, maxval, ret;
     const char *tuple_type;
     uint8_t *ptr;
@@ -52,25 +52,25 @@ static int pam_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     h = avctx->height;
     w = avctx->width;
     switch (avctx->pix_fmt) {
-    case PIX_FMT_MONOWHITE:
+    case AV_PIX_FMT_MONOWHITE:
         n          = (w + 7) >> 3;
         depth      = 1;
         maxval     = 1;
         tuple_type = "BLACKANDWHITE";
         break;
-    case PIX_FMT_GRAY8:
+    case AV_PIX_FMT_GRAY8:
         n          = w;
         depth      = 1;
         maxval     = 255;
         tuple_type = "GRAYSCALE";
         break;
-    case PIX_FMT_RGB24:
+    case AV_PIX_FMT_RGB24:
         n          = w * 3;
         depth      = 3;
         maxval     = 255;
         tuple_type = "RGB";
         break;
-    case PIX_FMT_RGB32:
+    case AV_PIX_FMT_RGB32:
         n          = w * 4;
         depth      = 4;
         maxval     = 255;
@@ -87,7 +87,7 @@ static int pam_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     ptr      = p->data[0];
     linesize = p->linesize[0];
 
-    if (avctx->pix_fmt == PIX_FMT_RGB32) {
+    if (avctx->pix_fmt == AV_PIX_FMT_RGB32) {
         int j;
         unsigned int v;
 
@@ -117,10 +117,13 @@ static int pam_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
 AVCodec ff_pam_encoder = {
     .name           = "pam",
     .type           = AVMEDIA_TYPE_VIDEO,
-    .id             = CODEC_ID_PAM,
+    .id             = AV_CODEC_ID_PAM,
     .priv_data_size = sizeof(PNMContext),
     .init           = ff_pnm_init,
     .encode2        = pam_encode_frame,
-    .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"),
+    .pix_fmts       = (const enum AVPixelFormat[]){
+        AV_PIX_FMT_RGB24, AV_PIX_FMT_RGB32, AV_PIX_FMT_GRAY8, AV_PIX_FMT_MONOWHITE,
+        AV_PIX_FMT_NONE
+    },
+    .long_name      = NULL_IF_CONFIG_SMALL("PAM (Portable AnyMap) image"),
 };