/*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
* misc image utilities
*/
+#include "common.h"
#include "imgutils.h"
#include "internal.h"
-#include "libavutil/pixdesc.h"
+#include "log.h"
+#include "pixdesc.h"
void av_image_fill_max_pixsteps(int max_pixsteps[4], int max_pixstep_comps[4],
const AVPixFmtDescriptor *pixdesc)
}
}
-int av_image_get_linesize(enum PixelFormat pix_fmt, int width, int plane)
+int av_image_get_linesize(enum AVPixelFormat pix_fmt, int width, int plane)
{
- const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt];
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
int max_step [4]; /* max pixel step for each plane */
int max_step_comp[4]; /* the component for each plane which has the max pixel step */
int s;
- if (desc->flags & PIX_FMT_BITSTREAM)
+ if (!desc)
+ return AVERROR(EINVAL);
+
+ if (desc->flags & AV_PIX_FMT_FLAG_BITSTREAM)
return (width * (desc->comp[0].step_minus1+1) + 7) >> 3;
av_image_fill_max_pixsteps(max_step, max_step_comp, desc);
return max_step[plane] * (((width + (1 << s) - 1)) >> s);
}
-int av_image_fill_linesizes(int linesizes[4], enum PixelFormat pix_fmt, int width)
+int av_image_fill_linesizes(int linesizes[4], enum AVPixelFormat pix_fmt, int width)
{
int i;
- const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt];
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
int max_step [4]; /* max pixel step for each plane */
int max_step_comp[4]; /* the component for each plane which has the max pixel step */
memset(linesizes, 0, 4*sizeof(linesizes[0]));
- if ((unsigned)pix_fmt >= PIX_FMT_NB || desc->flags & PIX_FMT_HWACCEL)
+ if (!desc || desc->flags & AV_PIX_FMT_FLAG_HWACCEL)
return AVERROR(EINVAL);
- if (desc->flags & PIX_FMT_BITSTREAM) {
+ if (desc->flags & AV_PIX_FMT_FLAG_BITSTREAM) {
if (width > (INT_MAX -7) / (desc->comp[0].step_minus1+1))
return AVERROR(EINVAL);
linesizes[0] = (width * (desc->comp[0].step_minus1+1) + 7) >> 3;
return 0;
}
-int av_image_fill_pointers(uint8_t *data[4], enum PixelFormat pix_fmt, int height,
+int av_image_fill_pointers(uint8_t *data[4], enum AVPixelFormat pix_fmt, int height,
uint8_t *ptr, const int linesizes[4])
{
- int i, total_size, size[4], has_plane[4];
+ int i, total_size, size[4] = { 0 }, has_plane[4] = { 0 };
- const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt];
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
memset(data , 0, sizeof(data[0])*4);
- memset(size , 0, sizeof(size));
- memset(has_plane, 0, sizeof(has_plane));
- if ((unsigned)pix_fmt >= PIX_FMT_NB || desc->flags & PIX_FMT_HWACCEL)
+ if (!desc || desc->flags & AV_PIX_FMT_FLAG_HWACCEL)
return AVERROR(EINVAL);
data[0] = ptr;
return AVERROR(EINVAL);
size[0] = linesizes[0] * height;
- if (desc->flags & PIX_FMT_PAL) {
+ if (desc->flags & AV_PIX_FMT_FLAG_PAL ||
+ desc->flags & AV_PIX_FMT_FLAG_PSEUDOPAL) {
size[0] = (size[0] + 3) & ~3;
data[1] = ptr + size[0]; /* palette is stored here as 256 32 bits words */
return size[0] + 256 * 4;
has_plane[desc->comp[i].plane] = 1;
total_size = size[0];
- for (i = 1; has_plane[i] && i < 4; i++) {
+ for (i = 1; i < 4 && has_plane[i]; i++) {
int h, s = (i == 1 || i == 2) ? desc->log2_chroma_h : 0;
data[i] = data[i-1] + size[i-1];
h = (height + (1 << s) - 1) >> s;
return total_size;
}
-int ff_set_systematic_pal2(uint32_t pal[256], enum PixelFormat pix_fmt)
+int avpriv_set_systematic_pal2(uint32_t pal[256], enum AVPixelFormat pix_fmt)
{
int i;
int r, g, b;
switch (pix_fmt) {
- case PIX_FMT_RGB8:
+ case AV_PIX_FMT_RGB8:
r = (i>>5 )*36;
g = ((i>>2)&7)*36;
b = (i&3 )*85;
break;
- case PIX_FMT_BGR8:
+ case AV_PIX_FMT_BGR8:
b = (i>>6 )*85;
g = ((i>>3)&7)*36;
r = (i&7 )*36;
break;
- case PIX_FMT_RGB4_BYTE:
+ case AV_PIX_FMT_RGB4_BYTE:
r = (i>>3 )*255;
g = ((i>>1)&3)*85;
b = (i&1 )*255;
break;
- case PIX_FMT_BGR4_BYTE:
+ case AV_PIX_FMT_BGR4_BYTE:
b = (i>>3 )*255;
g = ((i>>1)&3)*85;
r = (i&1 )*255;
break;
- case PIX_FMT_GRAY8:
+ case AV_PIX_FMT_GRAY8:
r = b = g = i;
break;
default:
}
int av_image_alloc(uint8_t *pointers[4], int linesizes[4],
- int w, int h, enum PixelFormat pix_fmt, int align)
+ int w, int h, enum AVPixelFormat pix_fmt, int align)
{
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
int i, ret;
uint8_t *buf;
+ if (!desc)
+ return AVERROR(EINVAL);
+
if ((ret = av_image_check_size(w, h, 0, NULL)) < 0)
return ret;
if ((ret = av_image_fill_linesizes(linesizes, pix_fmt, w)) < 0)
av_free(buf);
return ret;
}
- if (av_pix_fmt_descriptors[pix_fmt].flags & PIX_FMT_PAL)
- ff_set_systematic_pal2((uint32_t*)pointers[1], pix_fmt);
+ if (desc->flags & AV_PIX_FMT_FLAG_PAL || desc->flags & AV_PIX_FMT_FLAG_PSEUDOPAL)
+ avpriv_set_systematic_pal2((uint32_t*)pointers[1], pix_fmt);
return ret;
}
void av_image_copy(uint8_t *dst_data[4], int dst_linesizes[4],
const uint8_t *src_data[4], const int src_linesizes[4],
- enum PixelFormat pix_fmt, int width, int height)
+ enum AVPixelFormat pix_fmt, int width, int height)
{
- const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt];
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
- if (desc->flags & PIX_FMT_HWACCEL)
+ if (!desc || desc->flags & AV_PIX_FMT_FLAG_HWACCEL)
return;
- if (desc->flags & PIX_FMT_PAL) {
+ if (desc->flags & AV_PIX_FMT_FLAG_PAL ||
+ desc->flags & AV_PIX_FMT_FLAG_PSEUDOPAL) {
av_image_copy_plane(dst_data[0], dst_linesizes[0],
src_data[0], src_linesizes[0],
width, height);
}
}
}
-
-#if FF_API_OLD_IMAGE_NAMES
-void av_fill_image_max_pixsteps(int max_pixsteps[4], int max_pixstep_comps[4],
- const AVPixFmtDescriptor *pixdesc)
-{
- av_image_fill_max_pixsteps(max_pixsteps, max_pixstep_comps, pixdesc);
-}
-
-int av_get_image_linesize(enum PixelFormat pix_fmt, int width, int plane)
-{
- return av_image_get_linesize(pix_fmt, width, plane);
-}
-
-int av_fill_image_linesizes(int linesizes[4], enum PixelFormat pix_fmt, int width)
-{
- return av_image_fill_linesizes(linesizes, pix_fmt, width);
-}
-
-int av_fill_image_pointers(uint8_t *data[4], enum PixelFormat pix_fmt, int height,
- uint8_t *ptr, const int linesizes[4])
-{
- return av_image_fill_pointers(data, pix_fmt, height, ptr, linesizes);
-}
-
-int av_check_image_size(unsigned int w, unsigned int h, int log_offset, void *log_ctx)
-{
- return av_image_check_size(w, h, log_offset, log_ctx);
-}
-#endif
projects / ffmpeg / blobdiff