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Diffstat (limited to 'intern/ffmpeg/ffmpeg_compat.h')
-rw-r--r--intern/ffmpeg/ffmpeg_compat.h226
1 files changed, 226 insertions, 0 deletions
diff --git a/intern/ffmpeg/ffmpeg_compat.h b/intern/ffmpeg/ffmpeg_compat.h
index ac4da5b6133..bcfa24b06a8 100644
--- a/intern/ffmpeg/ffmpeg_compat.h
+++ b/intern/ffmpeg/ffmpeg_compat.h
@@ -446,4 +446,230 @@ AVRational av_get_r_frame_rate_compat(const AVStream *stream)
# define FFMPEG_HAVE_DEPRECATED_FLAGS2
#endif
+/* Since FFmpeg-1.1 this constant have AV_ prefix. */
+#if LIBAVUTIL_VERSION_INT < AV_VERSION_INT(52, 3, 100)
+# define AV_PIX_FMT_BGR32 PIX_FMT_BGR32
+# define AV_PIX_FMT_YUV422P PIX_FMT_YUV422P
+# define AV_PIX_FMT_BGRA PIX_FMT_BGRA
+# define AV_PIX_FMT_ARGB PIX_FMT_ARGB
+# define AV_PIX_FMT_RGBA PIX_FMT_RGBA
+#endif
+
+/* New API from FFmpeg-2.0 which soon became recommended one. */
+#if LIBAVUTIL_VERSION_INT < AV_VERSION_INT(52, 38, 100)
+# define av_frame_alloc avcodec_alloc_frame
+# define av_frame_free avcodec_free_frame
+# define av_frame_unref avcodec_get_frame_defaults
+#endif
+
+#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(57, 24, 102)
+
+/* NOTE: The code in this block are from FFmpeg 2.6.4, which is licensed by LGPL. */
+
+#define MAX_NEG_CROP 1024
+
+#define times4(x) x, x, x, x
+#define times256(x) times4(times4(times4(times4(times4(x)))))
+
+static const uint8_t ff_compat_crop_tab[256 + 2 * MAX_NEG_CROP] = {
+times256(0x00),
+0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0A,0x0B,0x0C,0x0D,0x0E,0x0F,
+0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17,0x18,0x19,0x1A,0x1B,0x1C,0x1D,0x1E,0x1F,
+0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28,0x29,0x2A,0x2B,0x2C,0x2D,0x2E,0x2F,
+0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,0x3A,0x3B,0x3C,0x3D,0x3E,0x3F,
+0x40,0x41,0x42,0x43,0x44,0x45,0x46,0x47,0x48,0x49,0x4A,0x4B,0x4C,0x4D,0x4E,0x4F,
+0x50,0x51,0x52,0x53,0x54,0x55,0x56,0x57,0x58,0x59,0x5A,0x5B,0x5C,0x5D,0x5E,0x5F,
+0x60,0x61,0x62,0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6A,0x6B,0x6C,0x6D,0x6E,0x6F,
+0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x7A,0x7B,0x7C,0x7D,0x7E,0x7F,
+0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,
+0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F,
+0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,
+0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF,
+0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,
+0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF,
+0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,
+0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF,
+times256(0xFF)
+};
+
+#undef times4
+#undef times256
+
+/* filter parameters: [-1 4 2 4 -1] // 8 */
+FFMPEG_INLINE
+void deinterlace_line(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)
+{
+ const uint8_t *cm = ff_compat_crop_tab + 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++;
+ }
+}
+
+FFMPEG_INLINE
+void deinterlace_line_inplace(uint8_t *lum_m4, uint8_t *lum_m3,
+ uint8_t *lum_m2, uint8_t *lum_m1,
+ uint8_t *lum, int size)
+{
+ const uint8_t *cm = ff_compat_crop_tab + 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++;
+ }
+}
+
+/* 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. */
+FFMPEG_INLINE
+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);
+}
+
+FFMPEG_INLINE
+int 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 = (uint8_t *)av_malloc(width);
+ if (!buf)
+ return AVERROR(ENOMEM);
+
+ 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);
+ return 0;
+}
+
+#ifdef __GNUC__
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
+
+FFMPEG_INLINE
+int avpicture_deinterlace(AVPicture *dst, const AVPicture *src,
+ enum AVPixelFormat pix_fmt, int width, int height)
+{
+ int i, ret;
+
+ if (pix_fmt != AV_PIX_FMT_YUV420P &&
+ pix_fmt != AV_PIX_FMT_YUVJ420P &&
+ pix_fmt != AV_PIX_FMT_YUV422P &&
+ pix_fmt != AV_PIX_FMT_YUVJ422P &&
+ pix_fmt != AV_PIX_FMT_YUV444P &&
+ pix_fmt != AV_PIX_FMT_YUV411P &&
+ pix_fmt != AV_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 AV_PIX_FMT_YUVJ420P:
+ case AV_PIX_FMT_YUV420P:
+ width >>= 1;
+ height >>= 1;
+ break;
+ case AV_PIX_FMT_YUV422P:
+ case AV_PIX_FMT_YUVJ422P:
+ width >>= 1;
+ break;
+ case AV_PIX_FMT_YUV411P:
+ width >>= 2;
+ break;
+ default:
+ break;
+ }
+ if (pix_fmt == AV_PIX_FMT_GRAY8) {
+ break;
+ }
+ }
+ if (src == dst) {
+ ret = deinterlace_bottom_field_inplace(dst->data[i],
+ dst->linesize[i],
+ width, height);
+ if (ret < 0)
+ return ret;
+ } else {
+ deinterlace_bottom_field(dst->data[i],dst->linesize[i],
+ src->data[i], src->linesize[i],
+ width, height);
+ }
+ }
+ return 0;
+}
+
+#ifdef __GNUC__
+# pragma GCC diagnostic pop
+#endif
+
+#endif
+
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-18 01:57:21 +0300