update ffmpeg

CVS patchset: 4068
CVS date: 2003/01/31 18:29:43

1 files changed, 38 insertions, 142 deletions

diff --git a/src/libffmpeg/libavcodec/utils.c b/src/libffmpeg/libavcodec/utils.c
index af6ba986b..ca71807f7 100644
--- a/src/libffmpeg/libavcodec/utils.c
+++ b/src/libffmpeg/libavcodec/utils.c
@@ -24,8 +24,6 @@ void *av_mallocz(unsigned int size)
 {
     void *ptr;
     
-    if(size == 0) fprintf(stderr, "Warning, allocating 0 bytes\n");
-    
     ptr = av_malloc(size);
     if (!ptr)
         return NULL;
@@ -33,6 +31,32 @@ void *av_mallocz(unsigned int size)
     return ptr;
 }
 
+char *av_strdup(const char *s)
+{
+    char *ptr;
+    int len;
+    len = strlen(s) + 1;
+    ptr = av_malloc(len);
+    if (!ptr)
+        return NULL;
+    memcpy(ptr, s, len);
+    return ptr;
+}
+
+/**
+ * realloc which does nothing if the block is large enough
+ */
+void *av_fast_realloc(void *ptr, int *size, int min_size)
+{
+    if(min_size < *size) 
+        return ptr;
+    
+    *size= min_size + 10*1024;
+
+    return av_realloc(ptr, *size);
+}
+
+
 /* allocation of static arrays - do not use for normal allocation */
 static unsigned int last_static = 0;
 static char*** array_static = NULL;
@@ -47,7 +71,7 @@ void *__av_mallocz_static(void** location, unsigned int size)
     if (location)
     {
 	if (l > last_static)
-	    array_static = realloc(array_static, l);
+	    array_static = av_realloc(array_static, l);
 	array_static[last_static++] = (char**) location;
 	*location = ptr;
     }
@@ -61,10 +85,10 @@ void av_free_static()
 	unsigned i;
 	for (i = 0; i < last_static; i++)
 	{
-	    free(*array_static[i]);
+	    av_free(*array_static[i]);
             *array_static[i] = NULL;
 	}
-	free(array_static);
+	av_free(array_static);
 	array_static = 0;
     }
     last_static = 0;
@@ -89,32 +113,6 @@ void register_avcodec(AVCodec *format)
     format->next = NULL;
 }
 
-void avcodec_get_chroma_sub_sample(int fmt, int *h_shift, int *v_shift){
-    switch(fmt){
-    case PIX_FMT_YUV410P:
-        *h_shift=2;
-        *v_shift=2;
-        break;
-    case PIX_FMT_YUV420P:
-        *h_shift=1;
-        *v_shift=1;
-        break;
-    case PIX_FMT_YUV411P:
-        *h_shift=2;
-        *v_shift=0;
-        break;
-    case PIX_FMT_YUV422P:
-    case PIX_FMT_YUV422:
-        *h_shift=1;
-        *v_shift=0;
-        break;
-    default: //RGB/...
-        *h_shift=0;
-        *v_shift=0;
-        break;
-    }
-}
-
 typedef struct DefaultPicOpaque{
     int last_pic_num;
     uint8_t *data[4];
@@ -125,10 +123,10 @@ int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic){
     const int width = s->width;
     const int height= s->height;
     DefaultPicOpaque *opaque;
-    
+/*    
     assert(pic->data[0]==NULL);
-    /* assert(pic->type==0 || pic->type==FF_TYPE_INTERNAL); */
-
+    assert(pic->type==0 || pic->type==FF_TYPE_INTERNAL);
+*/
     if(pic->opaque){
         opaque= (DefaultPicOpaque *)pic->opaque;
         for(i=0; i<3; i++)
@@ -152,7 +150,6 @@ int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic){
         case PIX_FMT_BGR24:
             pixel_size=3;
             break;
-        case PIX_FMT_BGRA32:
         case PIX_FMT_RGBA32:
             pixel_size=4;
             break;
@@ -212,6 +209,10 @@ void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic){
 //printf("R%X\n", pic->opaque);
 }
 
+enum PixelFormat avcodec_default_get_format(struct AVCodecContext *s, enum PixelFormat * fmt){
+    return fmt[0];
+}
+
 void avcodec_get_context_defaults(AVCodecContext *s){
     s->bit_rate= 800*1000;
     s->bit_rate_tolerance= s->bit_rate*10;
@@ -234,6 +235,7 @@ void avcodec_get_context_defaults(AVCodecContext *s){
     s->me_method= ME_EPZS;
     s->get_buffer= avcodec_default_get_buffer;
     s->release_buffer= avcodec_default_release_buffer;
+    s->get_format= avcodec_default_get_format;
     s->me_subpel_quality=8;
 }
 
@@ -410,19 +412,6 @@ AVCodec *avcodec_find(enum CodecID id)
     return NULL;
 }
 
-const char *pix_fmt_str[] = {
-    "yuv420p",
-    "yuv422",
-    "rgb24",
-    "bgr24",
-    "yuv422p",
-    "yuv444p",
-    "rgba32",
-    "bgra32",
-    "yuv410p",
-    "yuv411p",
-};
-
 void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
 {
     const char *codec_name;
@@ -462,7 +451,7 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
         if (enc->codec_id == CODEC_ID_RAWVIDEO) {
             snprintf(buf + strlen(buf), buf_size - strlen(buf),
                      ", %s",
-                     pix_fmt_str[enc->pix_fmt]);
+                     avcodec_get_pix_fmt_name(enc->pix_fmt));
         }
         if (enc->width) {
             snprintf(buf + strlen(buf), buf_size - strlen(buf),
@@ -537,99 +526,6 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
     }
 }
 
-/* Picture field are filled with 'ptr' addresses */
-void avpicture_fill(AVPicture *picture, UINT8 *ptr,
-                    int pix_fmt, int width, int height)
-{
-    int size;
-
-    size = width * height;
-    switch(pix_fmt) {
-    case PIX_FMT_YUV420P:
-        picture->data[0] = ptr;
-        picture->data[1] = picture->data[0] + size;
-        picture->data[2] = picture->data[1] + size / 4;
-        picture->linesize[0] = width;
-        picture->linesize[1] = width / 2;
-        picture->linesize[2] = width / 2;
-        break;
-    case PIX_FMT_YUV422P:
-        picture->data[0] = ptr;
-        picture->data[1] = picture->data[0] + size;
-        picture->data[2] = picture->data[1] + size / 2;
-        picture->linesize[0] = width;
-        picture->linesize[1] = width / 2;
-        picture->linesize[2] = width / 2;
-        break;
-    case PIX_FMT_YUV444P:
-        picture->data[0] = ptr;
-        picture->data[1] = picture->data[0] + size;
-        picture->data[2] = picture->data[1] + size;
-        picture->linesize[0] = width;
-        picture->linesize[1] = width;
-        picture->linesize[2] = width;
-        break;
-    case PIX_FMT_RGB24:
-    case PIX_FMT_BGR24:
-        picture->data[0] = ptr;
-        picture->data[1] = NULL;
-        picture->data[2] = NULL;
-        picture->linesize[0] = width * 3;
-        break;
-    case PIX_FMT_RGBA32:
-    case PIX_FMT_BGRA32:
-        picture->data[0] = ptr;
-        picture->data[1] = NULL;
-        picture->data[2] = NULL;
-        picture->linesize[0] = width * 4;
-        break;
-    case PIX_FMT_YUV422:
-        picture->data[0] = ptr;
-        picture->data[1] = NULL;
-        picture->data[2] = NULL;
-        picture->linesize[0] = width * 2;
-        break;
-    default:
-        picture->data[0] = NULL;
-        picture->data[1] = NULL;
-        picture->data[2] = NULL;
-        break;
-    }
-}
-
-int avpicture_get_size(int pix_fmt, int width, int height)
-{
-    int size;
-
-    size = width * height;
-    switch(pix_fmt) {
-    case PIX_FMT_YUV420P:
-        size = (size * 3) / 2;
-        break;
-    case PIX_FMT_YUV422P:
-        size = (size * 2);
-        break;
-    case PIX_FMT_YUV444P:
-        size = (size * 3);
-        break;
-    case PIX_FMT_RGB24:
-    case PIX_FMT_BGR24:
-        size = (size * 3);
-        break;
-    case PIX_FMT_RGBA32:
-    case PIX_FMT_BGRA32:
-        size = (size * 4);
-        break;
-    case PIX_FMT_YUV422:
-        size = (size * 2);
-        break;
-    default:
-        size = -1;
-        break;
-    }
-    return size;
-}
-
 unsigned avcodec_version( void )
 {
   return LIBAVCODEC_VERSION_INT;