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Move ALIGN macro to libavutil/common.h and use it in various places
Originally committed as revision 18898 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -696,13 +696,13 @@ static int svq1_decode_frame(AVCodecContext *avctx,
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for (i=0; i < 3; i++) {
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int linesize;
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if (i == 0) {
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width = (s->width+15)&~15;
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height = (s->height+15)&~15;
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width = FFALIGN(s->width, 16);
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height = FFALIGN(s->height, 16);
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linesize= s->linesize;
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} else {
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if(s->flags&CODEC_FLAG_GRAY) break;
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width = (s->width/4+15)&~15;
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height = (s->height/4+15)&~15;
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width = FFALIGN(s->width/4, 16);
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height = FFALIGN(s->height/4, 16);
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linesize= s->uvlinesize;
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}
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@ -134,8 +134,6 @@ typedef struct InternalBuffer{
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#define INTERNAL_BUFFER_SIZE 32
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#define ALIGN(x, a) (((x)+(a)-1)&~((a)-1))
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void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height){
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int w_align= 1;
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int h_align= 1;
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@ -193,8 +191,8 @@ void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height){
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break;
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}
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*width = ALIGN(*width , w_align);
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*height= ALIGN(*height, h_align);
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*width = FFALIGN(*width , w_align);
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*height= FFALIGN(*height, h_align);
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if(s->codec_id == CODEC_ID_H264)
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*height+=2; // some of the optimized chroma MC reads one line too much
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}
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@ -317,7 +315,7 @@ int avcodec_default_get_buffer(AVCodecContext *s, AVFrame *pic){
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if((s->flags&CODEC_FLAG_EMU_EDGE) || !size[2])
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buf->data[i] = buf->base[i];
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else
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buf->data[i] = buf->base[i] + ALIGN((buf->linesize[i]*EDGE_WIDTH>>v_shift) + (EDGE_WIDTH>>h_shift), stride_align[i]);
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buf->data[i] = buf->base[i] + FFALIGN((buf->linesize[i]*EDGE_WIDTH>>v_shift) + (EDGE_WIDTH>>h_shift), stride_align[i]);
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}
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if(size[1] && !size[2])
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ff_set_systematic_pal((uint32_t*)buf->data[1], s->pix_fmt);
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@ -1636,8 +1636,8 @@ static av_cold int vp3_decode_init(AVCodecContext *avctx)
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s->version = 1;
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s->avctx = avctx;
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s->width = (avctx->width + 15) & 0xFFFFFFF0;
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s->height = (avctx->height + 15) & 0xFFFFFFF0;
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s->width = FFALIGN(avctx->width, 16);
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s->height = FFALIGN(avctx->height, 16);
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avctx->pix_fmt = PIX_FMT_YUV420P;
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avctx->chroma_sample_location = AVCHROMA_LOC_CENTER;
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if(avctx->idct_algo==FF_IDCT_AUTO)
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@ -284,7 +284,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
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av_log(avctx, AV_LOG_ERROR, "Can't allocate compression buffer.\n");
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return -1;
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}
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c->pstride = (avctx->width + 15) & ~15;
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c->pstride = FFALIGN(avctx->width, 16);
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if ((c->prev = av_malloc(c->pstride * avctx->height)) == NULL) {
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av_log(avctx, AV_LOG_ERROR, "Can't allocate picture.\n");
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return -1;
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@ -29,10 +29,6 @@ void avfilter_default_free_video_buffer(AVFilterPic *pic)
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av_free(pic);
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}
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#define ALIGN(a) do{ \
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(a) = ((a) + 15) & (~15); \
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} while(0);
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/* TODO: set the buffer's priv member to a context structure for the whole
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* filter chain. This will allow for a buffer pool instead of the constant
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* alloc & free cycle currently implemented. */
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@ -56,7 +52,7 @@ AVFilterPicRef *avfilter_default_get_video_buffer(AVFilterLink *link, int perms)
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ff_fill_linesize((AVPicture *)pic, pic->format, ref->w);
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for (i=0; i<4;i++)
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ALIGN(pic->linesize[i]);
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pic->linesize[i] = FFALIGN(pic->linesize[i], 16);
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tempsize = ff_fill_pointer((AVPicture *)pic, NULL, pic->format, ref->h);
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buf = av_malloc(tempsize);
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@ -127,6 +127,7 @@
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#define FFSWAP(type,a,b) do{type SWAP_tmp= b; b= a; a= SWAP_tmp;}while(0)
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#define FF_ARRAY_ELEMS(a) (sizeof(a) / sizeof((a)[0]))
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#define FFALIGN(x, a) (((x)+(a)-1)&~((a)-1))
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/* misc math functions */
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extern const uint8_t ff_log2_tab[256];
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@ -951,7 +951,7 @@ static const AVClass av_codec_context_class = { "Postproc", context_to_name, NUL
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pp_context *pp_get_context(int width, int height, int cpuCaps){
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PPContext *c= av_malloc(sizeof(PPContext));
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int stride= (width+15)&(~15); //assumed / will realloc if needed
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int stride= FFALIGN(width, 16); //assumed / will realloc if needed
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int qpStride= (width+15)/16 + 2; //assumed / will realloc if needed
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memset(c, 0, sizeof(PPContext));
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