* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <stdio.h>
+#include <string.h>
#include "pixfmt.h"
#include "pixdesc.h"
+#include "intreadwrite.h"
+
+void av_read_image_line(uint16_t *dst, const uint8_t *data[4], const int linesize[4],
+ const AVPixFmtDescriptor *desc, int x, int y, int c, int w, int read_pal_component)
+{
+ AVComponentDescriptor comp= desc->comp[c];
+ int plane= comp.plane;
+ int depth= comp.depth_minus1+1;
+ int mask = (1<<depth)-1;
+ int shift= comp.shift;
+ int step = comp.step_minus1+1;
+ int flags= desc->flags;
+
+ if (flags & PIX_FMT_BITSTREAM){
+ int skip = x*step + comp.offset_plus1-1;
+ const uint8_t *p = data[plane] + y*linesize[plane] + (skip>>3);
+ int shift = 8 - depth - (skip&7);
+
+ while(w--){
+ int val = (*p >> shift) & mask;
+ if(read_pal_component)
+ val= data[1][4*val + c];
+ shift -= step;
+ p -= shift>>3;
+ shift &= 7;
+ *dst++= val;
+ }
+ } else {
+ const uint8_t *p = data[plane]+ y*linesize[plane] + x*step + comp.offset_plus1-1;
+ int is_8bit = shift + depth <= 8;
+
+ if (is_8bit)
+ p += !!(flags & PIX_FMT_BE);
+
+ while(w--){
+ int val = is_8bit ? *p :
+ flags & PIX_FMT_BE ? AV_RB16(p) : AV_RL16(p);
+ val = (val>>shift) & mask;
+ if(read_pal_component)
+ val= data[1][4*val + c];
+ p+= step;
+ *dst++= val;
+ }
+ }
+}
+
+void av_write_image_line(const uint16_t *src, uint8_t *data[4], const int linesize[4],
+ const AVPixFmtDescriptor *desc, int x, int y, int c, int w)
+{
+ AVComponentDescriptor comp = desc->comp[c];
+ int plane = comp.plane;
+ int depth = comp.depth_minus1+1;
+ int step = comp.step_minus1+1;
+ int flags = desc->flags;
+
+ if (flags & PIX_FMT_BITSTREAM) {
+ int skip = x*step + comp.offset_plus1-1;
+ uint8_t *p = data[plane] + y*linesize[plane] + (skip>>3);
+ int shift = 8 - depth - (skip&7);
+
+ while (w--) {
+ *p |= *src++ << shift;
+ shift -= step;
+ p -= shift>>3;
+ shift &= 7;
+ }
+ } else {
+ int shift = comp.shift;
+ uint8_t *p = data[plane]+ y*linesize[plane] + x*step + comp.offset_plus1-1;
+
+ if (shift + depth <= 8) {
+ p += !!(flags & PIX_FMT_BE);
+ while (w--) {
+ *p |= (*src++<<shift);
+ p += step;
+ }
+ } else {
+ while (w--) {
+ if (flags & PIX_FMT_BE) {
+ uint16_t val = AV_RB16(p) | (*src++<<shift);
+ AV_WB16(p, val);
+ } else {
+ uint16_t val = AV_RL16(p) | (*src++<<shift);
+ AV_WL16(p, val);
+ }
+ p+= step;
+ }
+ }
+ }
+}
+
const AVPixFmtDescriptor av_pix_fmt_descriptors[PIX_FMT_NB] = {
[PIX_FMT_YUV420P] = {
.name = "yuv420p",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 1,
.log2_chroma_h= 1,
.comp = {
},
[PIX_FMT_YUYV422] = {
.name = "yuyv422",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 1,
.log2_chroma_h= 0,
.comp = {
},
[PIX_FMT_RGB24] = {
.name = "rgb24",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
},
[PIX_FMT_BGR24] = {
.name = "bgr24",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
},
[PIX_FMT_YUV422P] = {
.name = "yuv422p",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 1,
.log2_chroma_h= 0,
.comp = {
},
[PIX_FMT_YUV444P] = {
.name = "yuv444p",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
},
[PIX_FMT_YUV410P] = {
.name = "yuv410p",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 2,
.log2_chroma_h= 2,
.comp = {
},
[PIX_FMT_YUV411P] = {
.name = "yuv411p",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 2,
.log2_chroma_h= 0,
.comp = {
},
},
[PIX_FMT_GRAY8] = {
- .name = "gray8",
- .nb_channels = 1,
+ .name = "gray",
+ .nb_components= 1,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
{0,0,1,0,7}, /* Y */
},
+ .flags = PIX_FMT_PAL,
},
[PIX_FMT_MONOWHITE] = {
- .name = "monowhite",
- .nb_channels = 1,
+ .name = "monow",
+ .nb_components= 1,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
.flags = PIX_FMT_BITSTREAM,
},
[PIX_FMT_MONOBLACK] = {
- .name = "monoblack",
- .nb_channels = 1,
+ .name = "monob",
+ .nb_components= 1,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
},
[PIX_FMT_PAL8] = {
.name = "pal8",
- .nb_channels = 1,
+ .nb_components= 1,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
},
[PIX_FMT_YUVJ420P] = {
.name = "yuvj420p",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 1,
.log2_chroma_h= 1,
.comp = {
},
[PIX_FMT_YUVJ422P] = {
.name = "yuvj422p",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 1,
.log2_chroma_h= 0,
.comp = {
},
[PIX_FMT_YUVJ444P] = {
.name = "yuvj444p",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
{2,0,1,0,7}, /* V */
},
},
+ [PIX_FMT_XVMC_MPEG2_MC] = {
+ .name = "xvmcmc",
+ .flags = PIX_FMT_HWACCEL,
+ },
+ [PIX_FMT_XVMC_MPEG2_IDCT] = {
+ .name = "xvmcidct",
+ .flags = PIX_FMT_HWACCEL,
+ },
[PIX_FMT_UYVY422] = {
.name = "uyvy422",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 1,
.log2_chroma_h= 0,
.comp = {
},
[PIX_FMT_UYYVYY411] = {
.name = "uyyvyy411",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 2,
.log2_chroma_h= 0,
.comp = {
},
[PIX_FMT_BGR8] = {
.name = "bgr8",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
{0,0,1,3,2}, /* G */
{0,0,1,0,2}, /* R */
},
+ .flags = PIX_FMT_PAL,
},
[PIX_FMT_BGR4] = {
.name = "bgr4",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
},
[PIX_FMT_BGR4_BYTE] = {
.name = "bgr4_byte",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
{0,0,1,1,1}, /* G */
{0,0,1,0,0}, /* R */
},
+ .flags = PIX_FMT_PAL,
},
[PIX_FMT_RGB8] = {
.name = "rgb8",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
{0,0,1,3,2}, /* G */
{0,0,1,0,2}, /* B */
},
+ .flags = PIX_FMT_PAL,
},
[PIX_FMT_RGB4] = {
.name = "rgb4",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
},
[PIX_FMT_RGB4_BYTE] = {
.name = "rgb4_byte",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
{0,0,1,1,1}, /* G */
{0,0,1,0,0}, /* B */
},
+ .flags = PIX_FMT_PAL,
},
[PIX_FMT_NV12] = {
.name = "nv12",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 1,
.log2_chroma_h= 1,
.comp = {
},
[PIX_FMT_NV21] = {
.name = "nv21",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 1,
.log2_chroma_h= 1,
.comp = {
},
[PIX_FMT_ARGB] = {
.name = "argb",
- .nb_channels = 4,
+ .nb_components= 4,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
},
[PIX_FMT_RGBA] = {
.name = "rgba",
- .nb_channels = 4,
+ .nb_components= 4,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
},
[PIX_FMT_ABGR] = {
.name = "abgr",
- .nb_channels = 4,
+ .nb_components= 4,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
},
[PIX_FMT_BGRA] = {
.name = "bgra",
- .nb_channels = 4,
+ .nb_components= 4,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
},
[PIX_FMT_GRAY16BE] = {
.name = "gray16be",
- .nb_channels = 1,
+ .nb_components= 1,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
},
[PIX_FMT_GRAY16LE] = {
.name = "gray16le",
- .nb_channels = 1,
+ .nb_components= 1,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
},
[PIX_FMT_YUV440P] = {
.name = "yuv440p",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 0,
.log2_chroma_h= 1,
.comp = {
},
[PIX_FMT_YUVJ440P] = {
.name = "yuvj440p",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 0,
.log2_chroma_h= 1,
.comp = {
},
[PIX_FMT_YUVA420P] = {
.name = "yuva420p",
- .nb_channels = 4,
+ .nb_components= 4,
.log2_chroma_w= 1,
.log2_chroma_h= 1,
.comp = {
{3,0,1,0,7}, /* A */
},
},
+ [PIX_FMT_VDPAU_H264] = {
+ .name = "vdpau_h264",
+ .log2_chroma_w = 1,
+ .log2_chroma_h = 1,
+ .flags = PIX_FMT_HWACCEL,
+ },
+ [PIX_FMT_VDPAU_MPEG1] = {
+ .name = "vdpau_mpeg1",
+ .log2_chroma_w = 1,
+ .log2_chroma_h = 1,
+ .flags = PIX_FMT_HWACCEL,
+ },
+ [PIX_FMT_VDPAU_MPEG2] = {
+ .name = "vdpau_mpeg2",
+ .log2_chroma_w = 1,
+ .log2_chroma_h = 1,
+ .flags = PIX_FMT_HWACCEL,
+ },
+ [PIX_FMT_VDPAU_WMV3] = {
+ .name = "vdpau_wmv3",
+ .log2_chroma_w = 1,
+ .log2_chroma_h = 1,
+ .flags = PIX_FMT_HWACCEL,
+ },
+ [PIX_FMT_VDPAU_VC1] = {
+ .name = "vdpau_vc1",
+ .log2_chroma_w = 1,
+ .log2_chroma_h = 1,
+ .flags = PIX_FMT_HWACCEL,
+ },
+ [PIX_FMT_VDPAU_MPEG4] = {
+ .name = "vdpau_mpeg4",
+ .log2_chroma_w = 1,
+ .log2_chroma_h = 1,
+ .flags = PIX_FMT_HWACCEL,
+ },
[PIX_FMT_RGB48BE] = {
.name = "rgb48be",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
},
[PIX_FMT_RGB48LE] = {
.name = "rgb48le",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
},
[PIX_FMT_RGB565BE] = {
.name = "rgb565be",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
},
[PIX_FMT_RGB565LE] = {
.name = "rgb565le",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
},
[PIX_FMT_RGB555BE] = {
.name = "rgb555be",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
},
[PIX_FMT_RGB555LE] = {
.name = "rgb555le",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
{0,1,1,0,4}, /* B */
},
},
+ [PIX_FMT_RGB444BE] = {
+ .name = "rgb444be",
+ .nb_components= 3,
+ .log2_chroma_w= 0,
+ .log2_chroma_h= 0,
+ .comp = {
+ {0,1,0,0,3}, /* R */
+ {0,1,1,4,3}, /* G */
+ {0,1,1,0,3}, /* B */
+ },
+ .flags = PIX_FMT_BE,
+ },
+ [PIX_FMT_RGB444LE] = {
+ .name = "rgb444le",
+ .nb_components= 3,
+ .log2_chroma_w= 0,
+ .log2_chroma_h= 0,
+ .comp = {
+ {0,1,2,0,3}, /* R */
+ {0,1,1,4,3}, /* G */
+ {0,1,1,0,3}, /* B */
+ },
+ },
[PIX_FMT_BGR565BE] = {
.name = "bgr565be",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
},
[PIX_FMT_BGR565LE] = {
.name = "bgr565le",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
},
[PIX_FMT_BGR555BE] = {
.name = "bgr555be",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
},
[PIX_FMT_BGR555LE] = {
.name = "bgr555le",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
{0,1,1,0,4}, /* R */
},
},
+ [PIX_FMT_BGR444BE] = {
+ .name = "bgr444be",
+ .nb_components= 3,
+ .log2_chroma_w= 0,
+ .log2_chroma_h= 0,
+ .comp = {
+ {0,1,0,0,3}, /* B */
+ {0,1,1,4,3}, /* G */
+ {0,1,1,0,3}, /* R */
+ },
+ .flags = PIX_FMT_BE,
+ },
+ [PIX_FMT_BGR444LE] = {
+ .name = "bgr444le",
+ .nb_components= 3,
+ .log2_chroma_w= 0,
+ .log2_chroma_h= 0,
+ .comp = {
+ {0,1,2,0,3}, /* B */
+ {0,1,1,4,3}, /* G */
+ {0,1,1,0,3}, /* R */
+ },
+ },
+ [PIX_FMT_VAAPI_MOCO] = {
+ .name = "vaapi_moco",
+ .log2_chroma_w = 1,
+ .log2_chroma_h = 1,
+ .flags = PIX_FMT_HWACCEL,
+ },
+ [PIX_FMT_VAAPI_IDCT] = {
+ .name = "vaapi_idct",
+ .log2_chroma_w = 1,
+ .log2_chroma_h = 1,
+ .flags = PIX_FMT_HWACCEL,
+ },
+ [PIX_FMT_VAAPI_VLD] = {
+ .name = "vaapi_vld",
+ .log2_chroma_w = 1,
+ .log2_chroma_h = 1,
+ .flags = PIX_FMT_HWACCEL,
+ },
[PIX_FMT_YUV420P16LE] = {
.name = "yuv420p16le",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 1,
.log2_chroma_h= 1,
.comp = {
},
[PIX_FMT_YUV420P16BE] = {
.name = "yuv420p16be",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 1,
.log2_chroma_h= 1,
.comp = {
},
[PIX_FMT_YUV422P16LE] = {
.name = "yuv422p16le",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 1,
.log2_chroma_h= 0,
.comp = {
},
[PIX_FMT_YUV422P16BE] = {
.name = "yuv422p16be",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 1,
.log2_chroma_h= 0,
.comp = {
},
[PIX_FMT_YUV444P16LE] = {
.name = "yuv444p16le",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
},
[PIX_FMT_YUV444P16BE] = {
.name = "yuv444p16be",
- .nb_channels = 3,
+ .nb_components= 3,
.log2_chroma_w= 0,
.log2_chroma_h= 0,
.comp = {
},
.flags = PIX_FMT_BE,
},
+ [PIX_FMT_DXVA2_VLD] = {
+ .name = "dxva2_vld",
+ .log2_chroma_w = 1,
+ .log2_chroma_h = 1,
+ .flags = PIX_FMT_HWACCEL,
+ },
+ [PIX_FMT_Y400A] = {
+ .name = "y400a",
+ .nb_components= 2,
+ .comp = {
+ {0,1,1,0,7}, /* Y */
+ {0,1,2,0,7}, /* A */
+ },
+ },
};
+static enum PixelFormat get_pix_fmt_internal(const char *name)
+{
+ enum PixelFormat pix_fmt;
+
+ for (pix_fmt = 0; pix_fmt < PIX_FMT_NB; pix_fmt++)
+ if (av_pix_fmt_descriptors[pix_fmt].name &&
+ !strcmp(av_pix_fmt_descriptors[pix_fmt].name, name))
+ return pix_fmt;
+
+ return PIX_FMT_NONE;
+}
+
+#if HAVE_BIGENDIAN
+# define X_NE(be, le) be
+#else
+# define X_NE(be, le) le
+#endif
+
+enum PixelFormat av_get_pix_fmt(const char *name)
+{
+ enum PixelFormat pix_fmt;
+
+ if (!strcmp(name, "rgb32"))
+ name = X_NE("argb", "bgra");
+ else if (!strcmp(name, "bgr32"))
+ name = X_NE("abgr", "rgba");
+
+ pix_fmt = get_pix_fmt_internal(name);
+ if (pix_fmt == PIX_FMT_NONE) {
+ char name2[32];
+
+ snprintf(name2, sizeof(name2), "%s%s", name, X_NE("be", "le"));
+ pix_fmt = get_pix_fmt_internal(name2);
+ }
+ return pix_fmt;
+}
+
int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc)
{
int c, bits = 0;
int log2_pixels = pixdesc->log2_chroma_w + pixdesc->log2_chroma_h;
- for (c = 0; c < pixdesc->nb_channels; c++) {
+ for (c = 0; c < pixdesc->nb_components; c++) {
int s = c==1 || c==2 ? 0 : log2_pixels;
bits += (pixdesc->comp[c].depth_minus1+1) << s;
}
return bits >> log2_pixels;
}
+
+char *av_get_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));
+ }
+
+ return buf;
+}
projects / ffmpeg / blobdiff