*/
#include "avcodec.h"
-#include "dsputil.h"
+#include "imgconvert.h"
#include "internal.h"
+#include "mathops.h"
#include "libavutil/colorspace.h"
#include "libavutil/common.h"
#include "libavutil/pixdesc.h"
#include "libavutil/imgutils.h"
-#if HAVE_MMX_EXTERNAL
-#include "x86/dsputil_mmx.h"
-#endif
-
-#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_EXTERNAL
-#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,
- },
-
-
- /* 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;
-}
-
-int ff_is_hwaccel_pix_fmt(enum PixelFormat pix_fmt)
-{
- return av_pix_fmt_descriptors[pix_fmt].flags & PIX_FMT_HWACCEL;
-}
-
-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)
-{
- int i, j, nb_planes = 0, linesizes[4];
- const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt];
- int size = avpicture_get_size(pix_fmt, width, height);
-
- if (size > dest_size || size < 0)
- return AVERROR(EINVAL);
-
- for (i = 0; i < desc->nb_components; i++)
- nb_planes = FFMAX(desc->comp[i].plane, nb_planes);
- nb_planes++;
-
- av_image_fill_linesizes(linesizes, pix_fmt, width);
- for (i = 0; i < nb_planes; i++) {
- int h, shift = (i == 1 || i == 2) ? desc->log2_chroma_h : 0;
- const unsigned char *s = src->data[i];
- h = (height + (1 << shift) - 1) >> shift;
-
- for (j = 0; j < h; j++) {
- memcpy(dest, s, linesizes[i]);
- dest += linesizes[i];
- s += src->linesize[i];
- }
- }
-
- if (desc->flags & PIX_FMT_PAL)
- memcpy((unsigned char *)(((size_t)dest + 3) & ~3), src->data[1], 256 * 4);
-
- return size;
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
+ *h_shift = desc->log2_chroma_w;
+ *v_shift = desc->log2_chroma_h;
}
-int avpicture_get_size(enum PixelFormat pix_fmt, int width, int height)
+static int is_gray(const AVPixFmtDescriptor *desc)
{
- AVPicture dummy_pict;
- if(av_image_check_size(width, height, 0, NULL))
- return -1;
- if (av_pix_fmt_descriptors[pix_fmt].flags & PIX_FMT_PSEUDOPAL)
- // do not include palette for these pseudo-paletted formats
- return width * height;
- return avpicture_fill(&dummy_pict, NULL, pix_fmt, width, height);
+ return desc->nb_components - (desc->flags & AV_PIX_FMT_FLAG_ALPHA) == 1;
}
-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(enum PixelFormat *pix_fmt_list,
- 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;
i = 0;
- while (pix_fmt_list[i] != PIX_FMT_NONE) {
- enum PixelFormat pix_fmt = pix_fmt_list[i];
+ while (pix_fmt_list[i] != AV_PIX_FMT_NONE) {
+ enum AVPixelFormat pix_fmt = pix_fmt_list[i];
- if (i > PIX_FMT_NB) {
+ 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 PIX_FMT_NONE;
+ return AV_PIX_FMT_NONE;
}
loss = avcodec_get_pix_fmt_loss(pix_fmt, src_pix_fmt, has_alpha) & loss_mask;
if (loss == 0) {
- dist = avg_bits_per_pixel(pix_fmt);
+ 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;
return dst_pix_fmt;
}
-#if FF_API_FIND_BEST_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 PixelFormat list[64];
- int i, j = 0;
-
- // test only the first 64 pixel formats to avoid undefined behaviour
- for (i = 0; i < 64; i++) {
- if (pix_fmt_mask & (1ULL << i))
- list[j++] = i;
- }
- list[j] = PIX_FMT_NONE;
-
- return avcodec_find_best_pix_fmt2(list, src_pix_fmt, has_alpha, loss_ptr);
-}
-#endif /* FF_API_FIND_BEST_PIX_FMT */
-
-enum PixelFormat avcodec_find_best_pix_fmt2(enum PixelFormat *pix_fmt_list,
- enum PixelFormat src_pix_fmt,
+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 */
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;
}
-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 ret;
-
- if ((ret = av_image_alloc(picture->data, picture->linesize, width, height, pix_fmt, 1)) < 0) {
- memset(picture, 0, sizeof(AVPicture));
- return ret;
- }
-
- return 0;
-}
-
-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;
}
-
-#if !HAVE_MMX_EXTERNAL
-/* 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 /* !HAVE_MMX_EXTERNAL */
-
-/* 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 = 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;
-}