avcodec/texturedsp: Add separate TextureDSPEncContext

ff_texturedspenc_init() doesn't support most of the function types
supported for decoding; add a separate context containing only pointers
for the actually supported types.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

5 files changed, 11 insertions, 5 deletions

diff --git a/libavcodec/dxvenc.c b/libavcodec/dxvenc.c
index 796f70da02..280a965685 100644
--- a/libavcodec/dxvenc.c
+++ b/libavcodec/dxvenc.c
@@ -266,7 +266,7 @@ static int dxv_encode(AVCodecContext *avctx, AVPacket *pkt,
 static av_cold int dxv_init(AVCodecContext *avctx)
 {
     DXVEncContext *ctx = avctx->priv_data;
-    TextureDSPContext texdsp;
+    TextureDSPEncContext texdsp;
     int ret = av_image_check_size(avctx->width, avctx->height, 0, avctx);
 
     if (ret < 0) {
diff --git a/libavcodec/hapenc.c b/libavcodec/hapenc.c
index 2c8bc8e16a..92cd9c4d31 100644
--- a/libavcodec/hapenc.c
+++ b/libavcodec/hapenc.c
@@ -232,7 +232,7 @@ static int hap_encode(AVCodecContext *avctx, AVPacket *pkt,
 static av_cold int hap_init(AVCodecContext *avctx)
 {
     HapContext *ctx = avctx->priv_data;
-    TextureDSPContext dxtc;
+    TextureDSPEncContext dxtc;
     int corrected_chunk_count;
     int ret = av_image_check_size(avctx->width, avctx->height, 0, avctx);
 
diff --git a/libavcodec/texturedsp.h b/libavcodec/texturedsp.h
index e15d3c2b02..6de8fda690 100644
--- a/libavcodec/texturedsp.h
+++ b/libavcodec/texturedsp.h
@@ -62,6 +62,12 @@ typedef struct TextureDSPContext {
     int (*dxn3dc_block)      (uint8_t *dst, ptrdiff_t stride, const uint8_t *block);
 } TextureDSPContext;
 
+typedef struct TextureDSPEncContext {
+    int (*dxt1_block)        (uint8_t *dst, ptrdiff_t stride, const uint8_t *block);
+    int (*dxt5_block)        (uint8_t *dst, ptrdiff_t stride, const uint8_t *block);
+    int (*dxt5ys_block)      (uint8_t *dst, ptrdiff_t stride, const uint8_t *block);
+} TextureDSPEncContext;
+
 typedef struct TextureDSPThreadContext {
     union {
         const uint8_t *in;       // Input frame data
@@ -81,7 +87,7 @@ typedef struct TextureDSPThreadContext {
 } TextureDSPThreadContext;
 
 void ff_texturedsp_init(TextureDSPContext *c);
-void ff_texturedspenc_init(TextureDSPContext *c);
+void ff_texturedspenc_init(TextureDSPEncContext *c);
 
 int ff_texturedsp_decompress_thread(AVCodecContext *avctx, void *arg, int slice, int thread_nb);
 int ff_texturedsp_compress_thread(AVCodecContext *avctx, void *arg, int slice, int thread_nb);
diff --git a/libavcodec/texturedspenc.c b/libavcodec/texturedspenc.c
index 54cf6fe6e0..ffacf96d56 100644
--- a/libavcodec/texturedspenc.c
+++ b/libavcodec/texturedspenc.c
@@ -647,7 +647,7 @@ static int dxt5ys_block(uint8_t *dst, ptrdiff_t stride, const uint8_t *block)
     return 16;
 }
 
-av_cold void ff_texturedspenc_init(TextureDSPContext *c)
+av_cold void ff_texturedspenc_init(TextureDSPEncContext *c)
 {
     c->dxt1_block         = dxt1_block;
     c->dxt5_block         = dxt5_block;
diff --git a/libavcodec/vbnenc.c b/libavcodec/vbnenc.c
index 7ce91863d7..01c2482bff 100644
--- a/libavcodec/vbnenc.c
+++ b/libavcodec/vbnenc.c
@@ -36,7 +36,7 @@
 
 typedef struct VBNContext {
     AVClass *class;
-    TextureDSPContext dxtc;
+    TextureDSPEncContext dxtc;
     int format;
     TextureDSPThreadContext enc;
 } VBNContext;