* Misc image conversion routines
* Copyright (c) 2001, 2002, 2003 Fabrice Bellard
*
- * 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
*/
*/
#include "avcodec.h"
-#include "dsputil.h"
-#include "internal.h"
#include "imgconvert.h"
+#include "internal.h"
+#include "mathops.h"
#include "libavutil/colorspace.h"
+#include "libavutil/common.h"
#include "libavutil/pixdesc.h"
-#include "libavcore/imgutils.h"
-#include "libavcore/internal.h"
-
-#if HAVE_MMX && HAVE_YASM
-#include "x86/dsputil_mmx.h"
-#endif
-
-#define xglue(x, y) x ## y
-#define glue(x, y) xglue(x, y)
-
-#define FF_COLOR_RGB 0 /**< RGB color space */
-#define FF_COLOR_GRAY 1 /**< gray color space */
-#define FF_COLOR_YUV 2 /**< YUV color space. 16 <= Y <= 235, 16 <= U, V <= 240 */
-#define FF_COLOR_YUV_JPEG 3 /**< YUV color space. 0 <= Y <= 255, 0 <= U, V <= 255 */
-
-#define FF_PIXEL_PLANAR 0 /**< each channel has one component in AVPicture */
-#define FF_PIXEL_PACKED 1 /**< only one components containing all the channels */
-#define FF_PIXEL_PALETTE 2 /**< one components containing indexes for a palette */
-
-#if HAVE_MMX && HAVE_YASM
-#define deinterlace_line_inplace ff_deinterlace_line_inplace_mmx
-#define deinterlace_line ff_deinterlace_line_mmx
-#else
-#define deinterlace_line_inplace deinterlace_line_inplace_c
-#define deinterlace_line deinterlace_line_c
-#endif
-
-typedef struct PixFmtInfo {
- uint8_t nb_channels; /**< number of channels (including alpha) */
- uint8_t color_type; /**< color type (see FF_COLOR_xxx constants) */
- uint8_t pixel_type; /**< pixel storage type (see FF_PIXEL_xxx constants) */
- uint8_t is_alpha : 1; /**< true if alpha can be specified */
- uint8_t depth; /**< bit depth of the color components */
-} PixFmtInfo;
-
-/* this table gives more information about formats */
-static const PixFmtInfo pix_fmt_info[PIX_FMT_NB] = {
- /* YUV formats */
- [PIX_FMT_YUV420P] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_YUV,
- .pixel_type = FF_PIXEL_PLANAR,
- .depth = 8,
- },
- [PIX_FMT_YUV422P] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_YUV,
- .pixel_type = FF_PIXEL_PLANAR,
- .depth = 8,
- },
- [PIX_FMT_YUV444P] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_YUV,
- .pixel_type = FF_PIXEL_PLANAR,
- .depth = 8,
- },
- [PIX_FMT_YUYV422] = {
- .nb_channels = 1,
- .color_type = FF_COLOR_YUV,
- .pixel_type = FF_PIXEL_PACKED,
- .depth = 8,
- },
- [PIX_FMT_UYVY422] = {
- .nb_channels = 1,
- .color_type = FF_COLOR_YUV,
- .pixel_type = FF_PIXEL_PACKED,
- .depth = 8,
- },
- [PIX_FMT_YUV410P] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_YUV,
- .pixel_type = FF_PIXEL_PLANAR,
- .depth = 8,
- },
- [PIX_FMT_YUV411P] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_YUV,
- .pixel_type = FF_PIXEL_PLANAR,
- .depth = 8,
- },
- [PIX_FMT_YUV440P] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_YUV,
- .pixel_type = FF_PIXEL_PLANAR,
- .depth = 8,
- },
- [PIX_FMT_YUV420P16LE] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_YUV,
- .pixel_type = FF_PIXEL_PLANAR,
- .depth = 16,
- },
- [PIX_FMT_YUV422P16LE] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_YUV,
- .pixel_type = FF_PIXEL_PLANAR,
- .depth = 16,
- },
- [PIX_FMT_YUV444P16LE] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_YUV,
- .pixel_type = FF_PIXEL_PLANAR,
- .depth = 16,
- },
- [PIX_FMT_YUV420P16BE] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_YUV,
- .pixel_type = FF_PIXEL_PLANAR,
- .depth = 16,
- },
- [PIX_FMT_YUV422P16BE] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_YUV,
- .pixel_type = FF_PIXEL_PLANAR,
- .depth = 16,
- },
- [PIX_FMT_YUV444P16BE] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_YUV,
- .pixel_type = FF_PIXEL_PLANAR,
- .depth = 16,
- },
-
+#include "libavutil/imgutils.h"
- /* YUV formats with alpha plane */
- [PIX_FMT_YUVA420P] = {
- .nb_channels = 4,
- .color_type = FF_COLOR_YUV,
- .pixel_type = FF_PIXEL_PLANAR,
- .depth = 8,
- },
-
- /* JPEG YUV */
- [PIX_FMT_YUVJ420P] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_YUV_JPEG,
- .pixel_type = FF_PIXEL_PLANAR,
- .depth = 8,
- },
- [PIX_FMT_YUVJ422P] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_YUV_JPEG,
- .pixel_type = FF_PIXEL_PLANAR,
- .depth = 8,
- },
- [PIX_FMT_YUVJ444P] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_YUV_JPEG,
- .pixel_type = FF_PIXEL_PLANAR,
- .depth = 8,
- },
- [PIX_FMT_YUVJ440P] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_YUV_JPEG,
- .pixel_type = FF_PIXEL_PLANAR,
- .depth = 8,
- },
-
- /* RGB formats */
- [PIX_FMT_RGB24] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_RGB,
- .pixel_type = FF_PIXEL_PACKED,
- .depth = 8,
- },
- [PIX_FMT_BGR24] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_RGB,
- .pixel_type = FF_PIXEL_PACKED,
- .depth = 8,
- },
- [PIX_FMT_ARGB] = {
- .nb_channels = 4, .is_alpha = 1,
- .color_type = FF_COLOR_RGB,
- .pixel_type = FF_PIXEL_PACKED,
- .depth = 8,
- },
- [PIX_FMT_RGB48BE] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_RGB,
- .pixel_type = FF_PIXEL_PACKED,
- .depth = 16,
- },
- [PIX_FMT_RGB48LE] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_RGB,
- .pixel_type = FF_PIXEL_PACKED,
- .depth = 16,
- },
- [PIX_FMT_RGB565BE] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_RGB,
- .pixel_type = FF_PIXEL_PACKED,
- .depth = 5,
- },
- [PIX_FMT_RGB565LE] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_RGB,
- .pixel_type = FF_PIXEL_PACKED,
- .depth = 5,
- },
- [PIX_FMT_RGB555BE] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_RGB,
- .pixel_type = FF_PIXEL_PACKED,
- .depth = 5,
- },
- [PIX_FMT_RGB555LE] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_RGB,
- .pixel_type = FF_PIXEL_PACKED,
- .depth = 5,
- },
- [PIX_FMT_RGB444BE] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_RGB,
- .pixel_type = FF_PIXEL_PACKED,
- .depth = 4,
- },
- [PIX_FMT_RGB444LE] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_RGB,
- .pixel_type = FF_PIXEL_PACKED,
- .depth = 4,
- },
-
- /* gray / mono formats */
- [PIX_FMT_GRAY16BE] = {
- .nb_channels = 1,
- .color_type = FF_COLOR_GRAY,
- .pixel_type = FF_PIXEL_PLANAR,
- .depth = 16,
- },
- [PIX_FMT_GRAY16LE] = {
- .nb_channels = 1,
- .color_type = FF_COLOR_GRAY,
- .pixel_type = FF_PIXEL_PLANAR,
- .depth = 16,
- },
- [PIX_FMT_GRAY8] = {
- .nb_channels = 1,
- .color_type = FF_COLOR_GRAY,
- .pixel_type = FF_PIXEL_PLANAR,
- .depth = 8,
- },
- [PIX_FMT_MONOWHITE] = {
- .nb_channels = 1,
- .color_type = FF_COLOR_GRAY,
- .pixel_type = FF_PIXEL_PLANAR,
- .depth = 1,
- },
- [PIX_FMT_MONOBLACK] = {
- .nb_channels = 1,
- .color_type = FF_COLOR_GRAY,
- .pixel_type = FF_PIXEL_PLANAR,
- .depth = 1,
- },
-
- /* paletted formats */
- [PIX_FMT_PAL8] = {
- .nb_channels = 4, .is_alpha = 1,
- .color_type = FF_COLOR_RGB,
- .pixel_type = FF_PIXEL_PALETTE,
- .depth = 8,
- },
- [PIX_FMT_UYYVYY411] = {
- .nb_channels = 1,
- .color_type = FF_COLOR_YUV,
- .pixel_type = FF_PIXEL_PACKED,
- .depth = 8,
- },
- [PIX_FMT_ABGR] = {
- .nb_channels = 4, .is_alpha = 1,
- .color_type = FF_COLOR_RGB,
- .pixel_type = FF_PIXEL_PACKED,
- .depth = 8,
- },
- [PIX_FMT_BGR565BE] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_RGB,
- .pixel_type = FF_PIXEL_PACKED,
- .depth = 5,
- },
- [PIX_FMT_BGR565LE] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_RGB,
- .pixel_type = FF_PIXEL_PACKED,
- .depth = 5,
- },
- [PIX_FMT_BGR555BE] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_RGB,
- .pixel_type = FF_PIXEL_PACKED,
- .depth = 5,
- },
- [PIX_FMT_BGR555LE] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_RGB,
- .pixel_type = FF_PIXEL_PACKED,
- .depth = 5,
- },
- [PIX_FMT_BGR444BE] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_RGB,
- .pixel_type = FF_PIXEL_PACKED,
- .depth = 4,
- },
- [PIX_FMT_BGR444LE] = {
- .nb_channels = 3,
- .color_type = FF_COLOR_RGB,
- .pixel_type = FF_PIXEL_PACKED,
- .depth = 4,
- },
- [PIX_FMT_RGB8] = {
- .nb_channels = 1,
- .color_type = FF_COLOR_RGB,
- .pixel_type = FF_PIXEL_PACKED,
- .depth = 8,
- },
- [PIX_FMT_RGB4] = {
- .nb_channels = 1,
- .color_type = FF_COLOR_RGB,
- .pixel_type = FF_PIXEL_PACKED,
- .depth = 4,
- },
- [PIX_FMT_RGB4_BYTE] = {
- .nb_channels = 1,
- .color_type = FF_COLOR_RGB,
- .pixel_type = FF_PIXEL_PACKED,
- .depth = 8,
- },
- [PIX_FMT_BGR8] = {
- .nb_channels = 1,
- .color_type = FF_COLOR_RGB,
- .pixel_type = FF_PIXEL_PACKED,
- .depth = 8,
- },
- [PIX_FMT_BGR4] = {
- .nb_channels = 1,
- .color_type = FF_COLOR_RGB,
- .pixel_type = FF_PIXEL_PACKED,
- .depth = 4,
- },
- [PIX_FMT_BGR4_BYTE] = {
- .nb_channels = 1,
- .color_type = FF_COLOR_RGB,
- .pixel_type = FF_PIXEL_PACKED,
- .depth = 8,
- },
- [PIX_FMT_NV12] = {
- .nb_channels = 2,
- .color_type = FF_COLOR_YUV,
- .pixel_type = FF_PIXEL_PLANAR,
- .depth = 8,
- },
- [PIX_FMT_NV21] = {
- .nb_channels = 2,
- .color_type = FF_COLOR_YUV,
- .pixel_type = FF_PIXEL_PLANAR,
- .depth = 8,
- },
-
- [PIX_FMT_BGRA] = {
- .nb_channels = 4, .is_alpha = 1,
- .color_type = FF_COLOR_RGB,
- .pixel_type = FF_PIXEL_PACKED,
- .depth = 8,
- },
- [PIX_FMT_RGBA] = {
- .nb_channels = 4, .is_alpha = 1,
- .color_type = FF_COLOR_RGB,
- .pixel_type = FF_PIXEL_PACKED,
- .depth = 8,
- },
-};
-
-void avcodec_get_chroma_sub_sample(enum PixelFormat pix_fmt, int *h_shift, int *v_shift)
+void avcodec_get_chroma_sub_sample(enum AVPixelFormat pix_fmt, int *h_shift, int *v_shift)
{
- *h_shift = av_pix_fmt_descriptors[pix_fmt].log2_chroma_w;
- *v_shift = av_pix_fmt_descriptors[pix_fmt].log2_chroma_h;
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
+ *h_shift = desc->log2_chroma_w;
+ *v_shift = desc->log2_chroma_h;
}
-const char *avcodec_get_pix_fmt_name(enum PixelFormat pix_fmt)
+static int is_gray(const AVPixFmtDescriptor *desc)
{
- if ((unsigned)pix_fmt >= PIX_FMT_NB)
- return NULL;
- else
- return av_pix_fmt_descriptors[pix_fmt].name;
+ return desc->nb_components - (desc->flags & AV_PIX_FMT_FLAG_ALPHA) == 1;
}
-#if LIBAVCODEC_VERSION_MAJOR < 53
-enum PixelFormat avcodec_get_pix_fmt(const char *name)
-{
- return av_get_pix_fmt(name);
-}
-#endif
-
-void avcodec_pix_fmt_string (char *buf, int buf_size, enum PixelFormat pix_fmt)
-{
- /* print header */
- if (pix_fmt < 0)
- snprintf (buf, buf_size,
- "name " " nb_components" " nb_bits"
- );
- else{
- const AVPixFmtDescriptor *pixdesc = &av_pix_fmt_descriptors[pix_fmt];
- snprintf (buf, buf_size,
- "%-11s %7d %10d",
- pixdesc->name,
- pixdesc->nb_components,
- av_get_bits_per_pixel(pixdesc)
- );
- }
-}
-
-int ff_is_hwaccel_pix_fmt(enum PixelFormat pix_fmt)
-{
- return av_pix_fmt_descriptors[pix_fmt].flags & PIX_FMT_HWACCEL;
-}
-
-#if LIBAVCODEC_VERSION_MAJOR < 53
-int ff_set_systematic_pal(uint32_t pal[256], enum PixelFormat pix_fmt){
- return ff_set_systematic_pal2(pal, pix_fmt);
-}
-
-int ff_fill_linesize(AVPicture *picture, enum PixelFormat pix_fmt, int width)
-{
- return av_image_fill_linesizes(picture->linesize, pix_fmt, width);
-}
-
-int ff_fill_pointer(AVPicture *picture, uint8_t *ptr, enum PixelFormat pix_fmt,
- int height)
-{
- return av_image_fill_pointers(picture->data, pix_fmt, height, ptr, picture->linesize);
-}
-#endif
-
-int avpicture_fill(AVPicture *picture, uint8_t *ptr,
- enum PixelFormat pix_fmt, int width, int height)
-{
- int ret;
-
- if ((ret = av_image_check_size(width, height, 0, NULL)) < 0)
- return ret;
-
- if ((ret = av_image_fill_linesizes(picture->linesize, pix_fmt, width)) < 0)
- return ret;
-
- return av_image_fill_pointers(picture->data, pix_fmt, height, ptr, picture->linesize);
-}
-
-int avpicture_layout(const AVPicture* src, enum PixelFormat pix_fmt, int width, int height,
- unsigned char *dest, int dest_size)
-{
- const PixFmtInfo* pf = &pix_fmt_info[pix_fmt];
- const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt];
- int i, j, w, ow, h, oh, data_planes;
- const unsigned char* s;
- int size = avpicture_get_size(pix_fmt, width, height);
-
- if (size > dest_size || size < 0)
- return -1;
-
- if (pf->pixel_type == FF_PIXEL_PACKED || pf->pixel_type == FF_PIXEL_PALETTE) {
- if (pix_fmt == PIX_FMT_YUYV422 ||
- pix_fmt == PIX_FMT_UYVY422 ||
- pix_fmt == PIX_FMT_BGR565BE ||
- pix_fmt == PIX_FMT_BGR565LE ||
- pix_fmt == PIX_FMT_BGR555BE ||
- pix_fmt == PIX_FMT_BGR555LE ||
- pix_fmt == PIX_FMT_BGR444BE ||
- pix_fmt == PIX_FMT_BGR444LE ||
- pix_fmt == PIX_FMT_RGB565BE ||
- pix_fmt == PIX_FMT_RGB565LE ||
- pix_fmt == PIX_FMT_RGB555BE ||
- pix_fmt == PIX_FMT_RGB555LE ||
- pix_fmt == PIX_FMT_RGB444BE ||
- pix_fmt == PIX_FMT_RGB444LE)
- w = width * 2;
- else if (pix_fmt == PIX_FMT_UYYVYY411)
- w = width + width/2;
- else if (pix_fmt == PIX_FMT_PAL8)
- w = width;
- else
- w = width * (pf->depth * pf->nb_channels / 8);
-
- data_planes = 1;
- h = height;
- } else {
- data_planes = pf->nb_channels;
- w = (width*pf->depth + 7)/8;
- h = height;
- }
-
- ow = w;
- oh = h;
-
- for (i=0; i<data_planes; i++) {
- if (i == 1) {
- w = (- ((-width) >> desc->log2_chroma_w) * pf->depth + 7) / 8;
- h = -((-height) >> desc->log2_chroma_h);
- if (pix_fmt == PIX_FMT_NV12 || pix_fmt == PIX_FMT_NV21)
- w <<= 1;
- } else if (i == 3) {
- w = ow;
- h = oh;
- }
- s = src->data[i];
- for(j=0; j<h; j++) {
- memcpy(dest, s, w);
- dest += w;
- s += src->linesize[i];
- }
- }
-
- if (pf->pixel_type == FF_PIXEL_PALETTE)
- memcpy((unsigned char *)(((size_t)dest + 3) & ~3), src->data[1], 256 * 4);
-
- return size;
-}
-
-int avpicture_get_size(enum PixelFormat pix_fmt, int width, int height)
-{
- AVPicture dummy_pict;
- if(av_image_check_size(width, height, 0, NULL))
- return -1;
- switch (pix_fmt) {
- case PIX_FMT_RGB8:
- case PIX_FMT_BGR8:
- case PIX_FMT_RGB4_BYTE:
- case PIX_FMT_BGR4_BYTE:
- case PIX_FMT_GRAY8:
- // do not include palette for these pseudo-paletted formats
- return width * height;
- }
- return avpicture_fill(&dummy_pict, NULL, pix_fmt, width, height);
-}
-
-int avcodec_get_pix_fmt_loss(enum PixelFormat dst_pix_fmt, enum PixelFormat src_pix_fmt,
+int avcodec_get_pix_fmt_loss(enum AVPixelFormat dst_pix_fmt,
+ enum AVPixelFormat src_pix_fmt,
int has_alpha)
{
- const PixFmtInfo *pf, *ps;
- const AVPixFmtDescriptor *src_desc = &av_pix_fmt_descriptors[src_pix_fmt];
- const AVPixFmtDescriptor *dst_desc = &av_pix_fmt_descriptors[dst_pix_fmt];
- int loss;
-
- ps = &pix_fmt_info[src_pix_fmt];
+ const AVPixFmtDescriptor *src_desc = av_pix_fmt_desc_get(src_pix_fmt);
+ const AVPixFmtDescriptor *dst_desc = av_pix_fmt_desc_get(dst_pix_fmt);
+ int loss, i, nb_components = FFMIN(src_desc->nb_components,
+ dst_desc->nb_components);
/* compute loss */
loss = 0;
- pf = &pix_fmt_info[dst_pix_fmt];
- if (pf->depth < ps->depth ||
- ((dst_pix_fmt == PIX_FMT_RGB555BE || dst_pix_fmt == PIX_FMT_RGB555LE ||
- dst_pix_fmt == PIX_FMT_BGR555BE || dst_pix_fmt == PIX_FMT_BGR555LE) &&
- (src_pix_fmt == PIX_FMT_RGB565BE || src_pix_fmt == PIX_FMT_RGB565LE ||
- src_pix_fmt == PIX_FMT_BGR565BE || src_pix_fmt == PIX_FMT_BGR565LE)))
- loss |= FF_LOSS_DEPTH;
+
+ if (dst_pix_fmt == src_pix_fmt)
+ return 0;
+
+ for (i = 0; i < nb_components; i++)
+ if (src_desc->comp[i].depth > dst_desc->comp[i].depth)
+ loss |= FF_LOSS_DEPTH;
+
if (dst_desc->log2_chroma_w > src_desc->log2_chroma_w ||
dst_desc->log2_chroma_h > src_desc->log2_chroma_h)
loss |= FF_LOSS_RESOLUTION;
- switch(pf->color_type) {
- case FF_COLOR_RGB:
- if (ps->color_type != FF_COLOR_RGB &&
- ps->color_type != FF_COLOR_GRAY)
- loss |= FF_LOSS_COLORSPACE;
- break;
- case FF_COLOR_GRAY:
- if (ps->color_type != FF_COLOR_GRAY)
- loss |= FF_LOSS_COLORSPACE;
- break;
- case FF_COLOR_YUV:
- if (ps->color_type != FF_COLOR_YUV)
- loss |= FF_LOSS_COLORSPACE;
- break;
- case FF_COLOR_YUV_JPEG:
- if (ps->color_type != FF_COLOR_YUV_JPEG &&
- ps->color_type != FF_COLOR_YUV &&
- ps->color_type != FF_COLOR_GRAY)
- loss |= FF_LOSS_COLORSPACE;
- break;
- default:
- /* fail safe test */
- if (ps->color_type != pf->color_type)
- loss |= FF_LOSS_COLORSPACE;
- break;
- }
- if (pf->color_type == FF_COLOR_GRAY &&
- ps->color_type != FF_COLOR_GRAY)
- loss |= FF_LOSS_CHROMA;
- if (!pf->is_alpha && (ps->is_alpha && has_alpha))
+
+ if ((src_desc->flags & AV_PIX_FMT_FLAG_RGB) != (dst_desc->flags & AV_PIX_FMT_FLAG_RGB))
+ loss |= FF_LOSS_COLORSPACE;
+
+ if (has_alpha && !(dst_desc->flags & AV_PIX_FMT_FLAG_ALPHA) &&
+ (src_desc->flags & AV_PIX_FMT_FLAG_ALPHA))
loss |= FF_LOSS_ALPHA;
- if (pf->pixel_type == FF_PIXEL_PALETTE &&
- (ps->pixel_type != FF_PIXEL_PALETTE && ps->color_type != FF_COLOR_GRAY))
- loss |= FF_LOSS_COLORQUANT;
- return loss;
-}
-static int avg_bits_per_pixel(enum PixelFormat pix_fmt)
-{
- int bits;
- const PixFmtInfo *pf;
- const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt];
+ if (dst_pix_fmt == AV_PIX_FMT_PAL8 && !is_gray(src_desc))
+ return loss | FF_LOSS_COLORQUANT;
- pf = &pix_fmt_info[pix_fmt];
- switch(pf->pixel_type) {
- case FF_PIXEL_PACKED:
- switch(pix_fmt) {
- case PIX_FMT_YUYV422:
- case PIX_FMT_UYVY422:
- case PIX_FMT_RGB565BE:
- case PIX_FMT_RGB565LE:
- case PIX_FMT_RGB555BE:
- case PIX_FMT_RGB555LE:
- case PIX_FMT_RGB444BE:
- case PIX_FMT_RGB444LE:
- case PIX_FMT_BGR565BE:
- case PIX_FMT_BGR565LE:
- case PIX_FMT_BGR555BE:
- case PIX_FMT_BGR555LE:
- case PIX_FMT_BGR444BE:
- case PIX_FMT_BGR444LE:
- bits = 16;
- break;
- case PIX_FMT_UYYVYY411:
- bits = 12;
- break;
- default:
- bits = pf->depth * pf->nb_channels;
- break;
- }
- break;
- case FF_PIXEL_PLANAR:
- if (desc->log2_chroma_w == 0 && desc->log2_chroma_h == 0) {
- bits = pf->depth * pf->nb_channels;
- } else {
- bits = pf->depth + ((2 * pf->depth) >>
- (desc->log2_chroma_w + desc->log2_chroma_h));
- }
- break;
- case FF_PIXEL_PALETTE:
- bits = 8;
- break;
- default:
- bits = -1;
- break;
- }
- return bits;
+ if (src_desc->nb_components > dst_desc->nb_components)
+ if (is_gray(dst_desc))
+ loss |= FF_LOSS_CHROMA;
+
+ return loss;
}
-static enum PixelFormat avcodec_find_best_pix_fmt1(int64_t pix_fmt_mask,
- enum PixelFormat src_pix_fmt,
+static enum AVPixelFormat avcodec_find_best_pix_fmt1(enum AVPixelFormat *pix_fmt_list,
+ enum AVPixelFormat src_pix_fmt,
int has_alpha,
int loss_mask)
{
int dist, i, loss, min_dist;
- enum PixelFormat dst_pix_fmt;
+ enum AVPixelFormat dst_pix_fmt;
/* find exact color match with smallest size */
- dst_pix_fmt = PIX_FMT_NONE;
+ dst_pix_fmt = AV_PIX_FMT_NONE;
min_dist = 0x7fffffff;
- for(i = 0;i < PIX_FMT_NB; i++) {
- if (pix_fmt_mask & (1ULL << i)) {
- loss = avcodec_get_pix_fmt_loss(i, src_pix_fmt, has_alpha) & loss_mask;
- if (loss == 0) {
- dist = avg_bits_per_pixel(i);
- if (dist < min_dist) {
- min_dist = dist;
- dst_pix_fmt = i;
- }
+ i = 0;
+ while (pix_fmt_list[i] != AV_PIX_FMT_NONE) {
+ enum AVPixelFormat pix_fmt = pix_fmt_list[i];
+
+ if (i > AV_PIX_FMT_NB) {
+ av_log(NULL, AV_LOG_ERROR, "Pixel format list longer than expected, "
+ "it is either not properly terminated or contains duplicates\n");
+ return AV_PIX_FMT_NONE;
+ }
+
+ loss = avcodec_get_pix_fmt_loss(pix_fmt, src_pix_fmt, has_alpha) & loss_mask;
+ if (loss == 0) {
+ dist = av_get_bits_per_pixel(av_pix_fmt_desc_get(pix_fmt));
+ if (dist < min_dist) {
+ min_dist = dist;
+ dst_pix_fmt = pix_fmt;
}
}
+ i++;
}
return dst_pix_fmt;
}
-enum PixelFormat avcodec_find_best_pix_fmt(int64_t pix_fmt_mask, enum PixelFormat src_pix_fmt,
- int has_alpha, int *loss_ptr)
+enum AVPixelFormat avcodec_find_best_pix_fmt2(enum AVPixelFormat *pix_fmt_list,
+ enum AVPixelFormat src_pix_fmt,
+ int has_alpha, int *loss_ptr)
{
- enum PixelFormat dst_pix_fmt;
+ enum AVPixelFormat dst_pix_fmt;
int loss_mask, i;
static const int loss_mask_order[] = {
~0, /* no loss first */
i = 0;
for(;;) {
loss_mask = loss_mask_order[i++];
- dst_pix_fmt = avcodec_find_best_pix_fmt1(pix_fmt_mask, src_pix_fmt,
+ dst_pix_fmt = avcodec_find_best_pix_fmt1(pix_fmt_list, src_pix_fmt,
has_alpha, loss_mask);
if (dst_pix_fmt >= 0)
goto found;
if (loss_mask == 0)
break;
}
- return PIX_FMT_NONE;
+ return AV_PIX_FMT_NONE;
found:
if (loss_ptr)
*loss_ptr = avcodec_get_pix_fmt_loss(dst_pix_fmt, src_pix_fmt, has_alpha);
return dst_pix_fmt;
}
-#if LIBAVCODEC_VERSION_MAJOR < 53
-void ff_img_copy_plane(uint8_t *dst, int dst_wrap,
- const uint8_t *src, int src_wrap,
- int width, int height)
-{
- av_image_copy_plane(dst, dst_wrap, src, src_wrap, width, height);
-}
-
-int ff_get_plane_bytewidth(enum PixelFormat pix_fmt, int width, int plane)
-{
- return av_image_get_linesize(pix_fmt, width, plane);
-}
-
-void av_picture_data_copy(uint8_t *dst_data[4], int dst_linesize[4],
- uint8_t *src_data[4], int src_linesize[4],
- enum PixelFormat pix_fmt, int width, int height)
-{
- av_image_copy(dst_data, dst_linesize, src_data, src_linesize,
- pix_fmt, width, height);
-}
-#endif
-
-void av_picture_copy(AVPicture *dst, const AVPicture *src,
- enum PixelFormat pix_fmt, int width, int height)
-{
- av_image_copy(dst->data, dst->linesize, src->data,
- src->linesize, pix_fmt, width, height);
-}
-
/* 2x2 -> 1x1 */
void ff_shrink22(uint8_t *dst, int dst_wrap,
const uint8_t *src, int src_wrap,
}
}
-
-int avpicture_alloc(AVPicture *picture,
- enum PixelFormat pix_fmt, int width, int height)
-{
- int size;
- void *ptr;
-
- size = avpicture_fill(picture, NULL, pix_fmt, width, height);
- if(size<0)
- goto fail;
- ptr = av_malloc(size);
- if (!ptr)
- goto fail;
- avpicture_fill(picture, ptr, pix_fmt, width, height);
- if(picture->data[1] && !picture->data[2])
- ff_set_systematic_pal2((uint32_t*)picture->data[1], pix_fmt);
-
- return 0;
- fail:
- memset(picture, 0, sizeof(AVPicture));
- return -1;
-}
-
-void avpicture_free(AVPicture *picture)
-{
- av_free(picture->data[0]);
-}
-
/* return true if yuv planar */
-static inline int is_yuv_planar(const PixFmtInfo *ps)
+static inline int is_yuv_planar(const AVPixFmtDescriptor *desc)
{
- return (ps->color_type == FF_COLOR_YUV ||
- ps->color_type == FF_COLOR_YUV_JPEG) &&
- ps->pixel_type == FF_PIXEL_PLANAR;
+ return (!(desc->flags & AV_PIX_FMT_FLAG_RGB) &&
+ (desc->flags & AV_PIX_FMT_FLAG_PLANAR));
}
int av_picture_crop(AVPicture *dst, const AVPicture *src,
- enum PixelFormat pix_fmt, int top_band, int left_band)
+ enum AVPixelFormat pix_fmt, int top_band, int left_band)
{
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
int y_shift;
int x_shift;
- if (pix_fmt < 0 || pix_fmt >= PIX_FMT_NB || !is_yuv_planar(&pix_fmt_info[pix_fmt]))
+ if (pix_fmt < 0 || pix_fmt >= AV_PIX_FMT_NB || !is_yuv_planar(desc))
return -1;
- y_shift = av_pix_fmt_descriptors[pix_fmt].log2_chroma_h;
- x_shift = av_pix_fmt_descriptors[pix_fmt].log2_chroma_w;
+ y_shift = desc->log2_chroma_h;
+ x_shift = desc->log2_chroma_w;
dst->data[0] = src->data[0] + (top_band * src->linesize[0]) + left_band;
dst->data[1] = src->data[1] + ((top_band >> y_shift) * src->linesize[1]) + (left_band >> x_shift);
}
int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width,
- enum PixelFormat pix_fmt, int padtop, int padbottom, int padleft, int padright,
+ enum AVPixelFormat pix_fmt, int padtop, int padbottom, int padleft, int padright,
int *color)
{
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
uint8_t *optr;
int y_shift;
int x_shift;
int yheight;
int i, y;
- if (pix_fmt < 0 || pix_fmt >= PIX_FMT_NB ||
- !is_yuv_planar(&pix_fmt_info[pix_fmt])) return -1;
+ if (pix_fmt < 0 || pix_fmt >= AV_PIX_FMT_NB ||
+ !is_yuv_planar(desc)) return -1;
for (i = 0; i < 3; i++) {
- x_shift = i ? av_pix_fmt_descriptors[pix_fmt].log2_chroma_w : 0;
- y_shift = i ? av_pix_fmt_descriptors[pix_fmt].log2_chroma_h : 0;
+ x_shift = i ? desc->log2_chroma_w : 0;
+ y_shift = i ? desc->log2_chroma_h : 0;
if (padtop || padleft) {
memset(dst->data[i], color[i],
}
return 0;
}
-
-/* NOTE: we scan all the pixels to have an exact information */
-static int get_alpha_info_pal8(const AVPicture *src, int width, int height)
-{
- const unsigned char *p;
- int src_wrap, ret, x, y;
- unsigned int a;
- uint32_t *palette = (uint32_t *)src->data[1];
-
- p = src->data[0];
- src_wrap = src->linesize[0] - width;
- ret = 0;
- for(y=0;y<height;y++) {
- for(x=0;x<width;x++) {
- a = palette[p[0]] >> 24;
- if (a == 0x00) {
- ret |= FF_ALPHA_TRANSP;
- } else if (a != 0xff) {
- ret |= FF_ALPHA_SEMI_TRANSP;
- }
- p++;
- }
- p += src_wrap;
- }
- return ret;
-}
-
-int img_get_alpha_info(const AVPicture *src,
- enum PixelFormat pix_fmt, int width, int height)
-{
- const PixFmtInfo *pf = &pix_fmt_info[pix_fmt];
- int ret;
-
- /* no alpha can be represented in format */
- if (!pf->is_alpha)
- return 0;
- switch(pix_fmt) {
- case PIX_FMT_PAL8:
- ret = get_alpha_info_pal8(src, width, height);
- break;
- default:
- /* we do not know, so everything is indicated */
- ret = FF_ALPHA_TRANSP | FF_ALPHA_SEMI_TRANSP;
- break;
- }
- return ret;
-}
-
-#if !(HAVE_MMX && HAVE_YASM)
-/* filter parameters: [-1 4 2 4 -1] // 8 */
-static void deinterlace_line_c(uint8_t *dst,
- const uint8_t *lum_m4, const uint8_t *lum_m3,
- const uint8_t *lum_m2, const uint8_t *lum_m1,
- const uint8_t *lum,
- int size)
-{
- uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
- int sum;
-
- for(;size > 0;size--) {
- sum = -lum_m4[0];
- sum += lum_m3[0] << 2;
- sum += lum_m2[0] << 1;
- sum += lum_m1[0] << 2;
- sum += -lum[0];
- dst[0] = cm[(sum + 4) >> 3];
- lum_m4++;
- lum_m3++;
- lum_m2++;
- lum_m1++;
- lum++;
- dst++;
- }
-}
-
-static void deinterlace_line_inplace_c(uint8_t *lum_m4, uint8_t *lum_m3,
- uint8_t *lum_m2, uint8_t *lum_m1,
- uint8_t *lum, int size)
-{
- uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
- int sum;
-
- for(;size > 0;size--) {
- sum = -lum_m4[0];
- sum += lum_m3[0] << 2;
- sum += lum_m2[0] << 1;
- lum_m4[0]=lum_m2[0];
- sum += lum_m1[0] << 2;
- sum += -lum[0];
- lum_m2[0] = cm[(sum + 4) >> 3];
- lum_m4++;
- lum_m3++;
- lum_m2++;
- lum_m1++;
- lum++;
- }
-}
-#endif
-
-/* deinterlacing : 2 temporal taps, 3 spatial taps linear filter. The
- top field is copied as is, but the bottom field is deinterlaced
- against the top field. */
-static void deinterlace_bottom_field(uint8_t *dst, int dst_wrap,
- const uint8_t *src1, int src_wrap,
- int width, int height)
-{
- const uint8_t *src_m2, *src_m1, *src_0, *src_p1, *src_p2;
- int y;
-
- src_m2 = src1;
- src_m1 = src1;
- src_0=&src_m1[src_wrap];
- src_p1=&src_0[src_wrap];
- src_p2=&src_p1[src_wrap];
- for(y=0;y<(height-2);y+=2) {
- memcpy(dst,src_m1,width);
- dst += dst_wrap;
- deinterlace_line(dst,src_m2,src_m1,src_0,src_p1,src_p2,width);
- src_m2 = src_0;
- src_m1 = src_p1;
- src_0 = src_p2;
- src_p1 += 2*src_wrap;
- src_p2 += 2*src_wrap;
- dst += dst_wrap;
- }
- memcpy(dst,src_m1,width);
- dst += dst_wrap;
- /* do last line */
- deinterlace_line(dst,src_m2,src_m1,src_0,src_0,src_0,width);
-}
-
-static void deinterlace_bottom_field_inplace(uint8_t *src1, int src_wrap,
- int width, int height)
-{
- uint8_t *src_m1, *src_0, *src_p1, *src_p2;
- int y;
- uint8_t *buf;
- buf = (uint8_t*)av_malloc(width);
-
- src_m1 = src1;
- memcpy(buf,src_m1,width);
- src_0=&src_m1[src_wrap];
- src_p1=&src_0[src_wrap];
- src_p2=&src_p1[src_wrap];
- for(y=0;y<(height-2);y+=2) {
- deinterlace_line_inplace(buf,src_m1,src_0,src_p1,src_p2,width);
- src_m1 = src_p1;
- src_0 = src_p2;
- src_p1 += 2*src_wrap;
- src_p2 += 2*src_wrap;
- }
- /* do last line */
- deinterlace_line_inplace(buf,src_m1,src_0,src_0,src_0,width);
- av_free(buf);
-}
-
-int avpicture_deinterlace(AVPicture *dst, const AVPicture *src,
- enum PixelFormat pix_fmt, int width, int height)
-{
- int i;
-
- if (pix_fmt != PIX_FMT_YUV420P &&
- pix_fmt != PIX_FMT_YUVJ420P &&
- pix_fmt != PIX_FMT_YUV422P &&
- pix_fmt != PIX_FMT_YUVJ422P &&
- pix_fmt != PIX_FMT_YUV444P &&
- pix_fmt != PIX_FMT_YUV411P &&
- pix_fmt != PIX_FMT_GRAY8)
- return -1;
- if ((width & 3) != 0 || (height & 3) != 0)
- return -1;
-
- for(i=0;i<3;i++) {
- if (i == 1) {
- switch(pix_fmt) {
- case PIX_FMT_YUVJ420P:
- case PIX_FMT_YUV420P:
- width >>= 1;
- height >>= 1;
- break;
- case PIX_FMT_YUV422P:
- case PIX_FMT_YUVJ422P:
- width >>= 1;
- break;
- case PIX_FMT_YUV411P:
- width >>= 2;
- break;
- default:
- break;
- }
- if (pix_fmt == PIX_FMT_GRAY8) {
- break;
- }
- }
- if (src == dst) {
- deinterlace_bottom_field_inplace(dst->data[i], dst->linesize[i],
- width, height);
- } else {
- deinterlace_bottom_field(dst->data[i],dst->linesize[i],
- src->data[i], src->linesize[i],
- width, height);
- }
- }
- emms_c();
- return 0;
-}
-
projects / ffmpeg / blobdiff