[vlc-devel] [PATCH] copy: add conversions to I420 and NV12
Steve Lhomme
robUx4 at videolabs.io
Tue Apr 28 14:51:09 CEST 2015
---
modules/video_chroma/copy.c | 117 ++++++++++++++++++++++++++++++++++++++++++++
modules/video_chroma/copy.h | 12 +++++
2 files changed, 129 insertions(+)
diff --git a/modules/video_chroma/copy.c b/modules/video_chroma/copy.c
index cc98c92..8481d37 100644
--- a/modules/video_chroma/copy.c
+++ b/modules/video_chroma/copy.c
@@ -348,6 +348,59 @@ static void SSE_CopyFromYv12(picture_t *dst,
}
asm volatile ("emms");
}
+
+static void SSE_CopyFromNv12ToI420(picture_t *dst,
+ uint8_t *src[2], size_t src_pitch[2],
+ unsigned width, unsigned height,
+ copy_cache_t *cache, unsigned cpu)
+{
+ SSE_CopyPlane(dst->p[0].p_pixels, dst->p[0].i_pitch,
+ src[0], src_pitch[0],
+ cache->buffer, cache->size,
+ width, height, cpu);
+ SSE_SplitPlanes(dst->p[1].p_pixels, dst->p[1].i_pitch,
+ dst->p[2].p_pixels, dst->p[2].i_pitch,
+ src[1], src_pitch[1],
+ cache->buffer, cache->size,
+ (width+1)/2, (height+1)/2, cpu);
+ asm volatile ("emms");
+}
+
+static void SSE_CopyFromYv12ToI420(picture_t *dst,
+ uint8_t *src[3], size_t src_pitch[3],
+ unsigned width, unsigned height,
+ copy_cache_t *cache, unsigned cpu)
+{
+ SSE_CopyPlane(dst->p[0].p_pixels, dst->p[0].i_pitch,
+ src[0], src_pitch[0],
+ cache->buffer, cache->size,
+ width, height, cpu);
+ SSE_CopyPlane(dst->p[1].p_pixels, dst->p[1].i_pitch,
+ src[2], src_pitch[2],
+ cache->buffer, cache->size,
+ width / 2, height / 2, cpu);
+ SSE_CopyPlane(dst->p[2].p_pixels, dst->p[2].i_pitch,
+ src[1], src_pitch[1],
+ cache->buffer, cache->size,
+ width / 2, height / 2, cpu);
+ asm volatile ("emms");
+}
+
+static void SSE_CopyFromNv12ToNv12(picture_t *dst,
+ uint8_t *src[2], size_t src_pitch[2],
+ unsigned width, unsigned height,
+ copy_cache_t *cache, unsigned cpu)
+{
+ SSE_CopyPlane(dst->p[0].p_pixels, dst->p[0].i_pitch,
+ src[0], src_pitch[0],
+ cache->buffer, cache->size,
+ width, height, cpu);
+ SSE_CopyPlane(dst->p[1].p_pixels, dst->p[1].i_pitch,
+ src[1], src_pitch[1],
+ cache->buffer, cache->size,
+ width, height/2, cpu);
+ asm volatile ("emms");
+}
#undef COPY64
#endif /* CAN_COMPILE_SSE2 */
@@ -400,6 +453,49 @@ void CopyFromNv12(picture_t *dst, uint8_t *src[2], size_t src_pitch[2],
width/2, height/2);
}
+void CopyFromNv12ToI420(picture_t *dst, uint8_t *src[2], size_t src_pitch[2],
+ unsigned width, unsigned height,
+ copy_cache_t *cache)
+{
+#ifdef CAN_COMPILE_SSE2
+ unsigned cpu = vlc_CPU();
+ if (vlc_CPU_SSE2())
+ return SSE_CopyFromNv12ToI420(dst, src, src_pitch, width, height,
+ cache, cpu);
+#else
+ (void) cache;
+#endif
+
+ CopyPlane(dst->p[0].p_pixels, dst->p[0].i_pitch,
+ src[0], src_pitch[0],
+ width, height);
+ SplitPlanes(dst->p[1].p_pixels, dst->p[1].i_pitch,
+ dst->p[2].p_pixels, dst->p[2].i_pitch,
+ src[1], src_pitch[1],
+ width/2, height/2);
+}
+
+void CopyFromNv12ToNv12(picture_t *dst, uint8_t *src[2], size_t src_pitch[2],
+ unsigned width, unsigned height,
+ copy_cache_t *cache)
+{
+#ifdef CAN_COMPILE_SSE2
+ unsigned cpu = vlc_CPU();
+ if (vlc_CPU_SSE2())
+ return SSE_CopyFromNv12ToNv12(dst, src, src_pitch, width, height,
+ cache, cpu);
+#else
+ (void) cache;
+#endif
+
+ CopyPlane(dst->p[0].p_pixels, dst->p[0].i_pitch,
+ src[0], src_pitch[0],
+ width, height);
+ CopyPlane(dst->p[1].p_pixels, dst->p[1].i_pitch,
+ src[1], src_pitch[1],
+ width, height/2);
+}
+
void CopyFromYv12(picture_t *dst, uint8_t *src[3], size_t src_pitch[3],
unsigned width, unsigned height,
copy_cache_t *cache)
@@ -420,3 +516,24 @@ void CopyFromYv12(picture_t *dst, uint8_t *src[3], size_t src_pitch[3],
CopyPlane(dst->p[2].p_pixels, dst->p[2].i_pitch,
src[2], src_pitch[2], width / 2, height / 2);
}
+
+void CopyFromYv12ToI420(picture_t *dst, uint8_t *src[3], size_t src_pitch[3],
+ unsigned width, unsigned height,
+ copy_cache_t *cache)
+{
+#ifdef CAN_COMPILE_SSE2
+ unsigned cpu = vlc_CPU();
+ if (vlc_CPU_SSE2())
+ return SSE_CopyFromYv12ToI420(dst, src, src_pitch, width, height,
+ cache, cpu);
+#else
+ (void) cache;
+#endif
+
+ CopyPlane(dst->p[0].p_pixels, dst->p[0].i_pitch,
+ src[0], src_pitch[0], width, height);
+ CopyPlane(dst->p[1].p_pixels, dst->p[1].i_pitch,
+ src[2], src_pitch[2], width / 2, height / 2);
+ CopyPlane(dst->p[2].p_pixels, dst->p[2].i_pitch,
+ src[1], src_pitch[1], width / 2, height / 2);
+}
diff --git a/modules/video_chroma/copy.h b/modules/video_chroma/copy.h
index 39dbf1e..203805d 100644
--- a/modules/video_chroma/copy.h
+++ b/modules/video_chroma/copy.h
@@ -34,11 +34,23 @@ typedef struct {
int CopyInitCache(copy_cache_t *cache, unsigned width);
void CopyCleanCache(copy_cache_t *cache);
+/* Copy planes from NV12 to YV12 */
void CopyFromNv12(picture_t *dst, uint8_t *src[2], size_t src_pitch[2],
unsigned width, unsigned height,
copy_cache_t *cache);
+/* Copy planes from YV12 to YV12 */
void CopyFromYv12(picture_t *dst, uint8_t *src[3], size_t src_pitch[3],
unsigned width, unsigned height,
copy_cache_t *cache);
+void CopyFromNv12ToI420(picture_t *dst, uint8_t *src[2], size_t src_pitch[2],
+ unsigned width, unsigned height,
+ copy_cache_t *cache);
+void CopyFromYv12ToI420(picture_t *dst, uint8_t *src[3], size_t src_pitch[3],
+ unsigned width, unsigned height,
+ copy_cache_t *cache);
+void CopyFromNv12ToNv12(picture_t *dst, uint8_t *src[2], size_t src_pitch[2],
+ unsigned width, unsigned height,
+ copy_cache_t *cache);
+
#endif
--
2.3.2
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