Make Blender compilable with FFmpeg-3.0

While it's not something we'll be using for the official release,
it's nice to support new libraries at least on "it compiles" level,
so it's not that many frustrated developers around.

Nexyon, please have a look into Audaspace changes :)

1 files changed, 201 insertions, 0 deletions

diff --git a/intern/ffmpeg/ffmpeg_compat.h b/intern/ffmpeg/ffmpeg_compat.h
index ac4da5b6133..b591032cc7a 100644
--- a/intern/ffmpeg/ffmpeg_compat.h
+++ b/intern/ffmpeg/ffmpeg_compat.h
@@ -446,4 +446,205 @@ 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, 13, 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
+
+extern const uint8_t ff_crop_tab[256 + 2 * MAX_NEG_CROP];
+
+/* 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_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_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