use AVFrame.pts=AV_NOPTS_VALUE instead of AVFrame.pts=0

[ffmpeg] / libavcodec / utils.c

diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 2e944e4001aa9eedad42e37195a060d7b80f3b82..7227e4f50777167161f4871120bbdbba53670565 100644 (file)
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -2,6 +2,7 @@
  * utils for libavcodec
  * Copyright (c) 2001 Fabrice Bellard.
  * Copyright (c) 2003 Michel Bardiaux for the av_log API
+ * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -237,7 +238,8 @@ int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic){
             const int h_shift= i==0 ? 0 : h_chroma_shift;
             const int v_shift= i==0 ? 0 : v_chroma_shift;
 
-            buf->linesize[i]= ALIGN(pixel_size*w>>h_shift, s_align);
+            //FIXME next ensures that linesize= 2^x uvlinesize, thats needed because some MC code assumes it
+            buf->linesize[i]= ALIGN(pixel_size*w>>h_shift, s_align<<(h_chroma_shift-h_shift)); 
 
             buf->base[i]= av_mallocz((buf->linesize[i]*h>>v_shift)+16); //FIXME 16
             if(buf->base[i]==NULL) return -1;
@@ -290,11 +292,55 @@ void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic){
 //printf("R%X\n", pic->opaque);
 }
 
+int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic){
+    AVFrame temp_pic;
+    int i;
+
+    /* If no picture return a new buffer */
+    if(pic->data[0] == NULL) {
+        /* We will copy from buffer, so must be readable */
+        pic->buffer_hints |= FF_BUFFER_HINTS_READABLE;
+        return s->get_buffer(s, pic);
+    }
+
+    /* If internal buffer type return the same buffer */
+    if(pic->type == FF_BUFFER_TYPE_INTERNAL)
+        return 0;
+
+    /*
+     * Not internal type and reget_buffer not overridden, emulate cr buffer
+     */
+    temp_pic = *pic;
+    for(i = 0; i < 4; i++)
+        pic->data[i] = pic->base[i] = NULL;
+    pic->opaque = NULL;
+    /* Allocate new frame */
+    if (s->get_buffer(s, pic))
+        return -1;
+    /* Copy image data from old buffer to new buffer */
+    img_copy((AVPicture*)pic, (AVPicture*)&temp_pic, s->pix_fmt, s->width,
+             s->height);
+    s->release_buffer(s, &temp_pic); // Release old frame
+    return 0;
+}
+
+int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2),void **arg, int *ret, int count){
+    int i;
+
+    for(i=0; i<count; i++){
+        int r= func(c, arg[i]);
+        if(ret) ret[i]= r;
+    }
+    return 0;
+}
+
 enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, enum PixelFormat * fmt){
     return fmt[0];
 }
 
 void avcodec_get_context_defaults(AVCodecContext *s){
+    memset(s, 0, sizeof(AVCodecContext));
+
     s->bit_rate= 800*1000;
     s->bit_rate_tolerance= s->bit_rate*10;
     s->qmin= 2;
@@ -318,15 +364,18 @@ void avcodec_get_context_defaults(AVCodecContext *s){
     s->get_buffer= avcodec_default_get_buffer;
     s->release_buffer= avcodec_default_release_buffer;
     s->get_format= avcodec_default_get_format;
+    s->execute= avcodec_default_execute;
+    s->thread_count=1;
     s->me_subpel_quality=8;
     s->lmin= FF_QP2LAMBDA * s->qmin;
     s->lmax= FF_QP2LAMBDA * s->qmax;
     s->sample_aspect_ratio= (AVRational){0,1};
+    s->ildct_cmp= FF_CMP_VSAD;
     
     s->intra_quant_bias= FF_DEFAULT_QUANT_BIAS;
     s->inter_quant_bias= FF_DEFAULT_QUANT_BIAS;
     s->palctrl = NULL;
-    s->cr_available = 0;
+    s->reget_buffer= avcodec_default_reget_buffer;
 }
 
 /**
@@ -334,7 +383,7 @@ void avcodec_get_context_defaults(AVCodecContext *s){
  * this can be deallocated by simply calling free() 
  */
 AVCodecContext *avcodec_alloc_context(void){
-    AVCodecContext *avctx= av_mallocz(sizeof(AVCodecContext));
+    AVCodecContext *avctx= av_malloc(sizeof(AVCodecContext));
     
     if(avctx==NULL) return NULL;
     
@@ -343,12 +392,22 @@ AVCodecContext *avcodec_alloc_context(void){
     return avctx;
 }
 
+void avcodec_get_frame_defaults(AVFrame *pic){
+    memset(pic, 0, sizeof(AVFrame));
+
+    pic->pts= AV_NOPTS_VALUE;
+}
+
 /**
  * allocates a AVPFrame and set it to defaults.
  * this can be deallocated by simply calling free() 
  */
 AVFrame *avcodec_alloc_frame(void){
-    AVFrame *pic= av_mallocz(sizeof(AVFrame));
+    AVFrame *pic= av_malloc(sizeof(AVFrame));
+    
+    if(pic==NULL) return NULL;
+    
+    avcodec_get_frame_defaults(pic);
     
     return pic;
 }
@@ -785,10 +844,12 @@ static void av_log_default_callback(AVCodecContext* avctx, int level, const char
 
     if(level>av_log_level)
            return;
+#undef fprintf
     if(avctx && print_prefix)
-        fprintf(stderr, "[%s @ %p]", avctx->codec->name, avctx);
+        fprintf(stderr, "[%s @ %p]", avctx->codec ? avctx->codec->name : "?", avctx);
+#define fprintf please_use_av_log
         
-    print_prefix= (int)strstr(fmt, "\n");
+    print_prefix= strstr(fmt, "\n") != NULL;
         
     vfprintf(stderr, fmt, vl);
 }