[FFmpeg-devel] [PATCH 4/7] avcodec/dxvenc, hap(dec|enc): Move TextureDSPContext to stack

[Andreas Rheinhardt <andreas.rheinhardt@outlook.com>]

Only used during init.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
 libavcodec/dxvenc.c |  6 +++---
 libavcodec/hap.h    |  1 -
 libavcodec/hapdec.c | 15 ++++++++-------
 libavcodec/hapenc.c |  9 +++++----
 4 files changed, 16 insertions(+), 15 deletions(-)

diff --git a/libavcodec/dxvenc.c b/libavcodec/dxvenc.c
index 94e522d72b..796f70da02 100644
--- a/libavcodec/dxvenc.c
+++ b/libavcodec/dxvenc.c
@@ -110,7 +110,6 @@ static void ht_delete(HTEntry *ht, const AVCRC *hash_ctx,
 typedef struct DXVEncContext {
     AVClass *class;
 
-    TextureDSPContext texdsp;
     PutByteContext pbc;
 
     uint8_t *tex_data;   // Compressed texture
@@ -267,6 +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;
     int ret = av_image_check_size(avctx->width, avctx->height, 0, avctx);
 
     if (ret < 0) {
@@ -275,12 +275,12 @@ static av_cold int dxv_init(AVCodecContext *avctx)
         return ret;
     }
 
-    ff_texturedspenc_init(&ctx->texdsp);
+    ff_texturedspenc_init(&texdsp);
 
     switch (ctx->tex_fmt) {
     case DXV_FMT_DXT1:
         ctx->compress_tex = dxv_compress_dxt1;
-        ctx->enc.tex_funct = ctx->texdsp.dxt1_block;
+        ctx->enc.tex_funct = texdsp.dxt1_block;
         ctx->enc.tex_ratio = 8;
         break;
     default:
diff --git a/libavcodec/hap.h b/libavcodec/hap.h
index fb5a4c4123..a888b58fd7 100644
--- a/libavcodec/hap.h
+++ b/libavcodec/hap.h
@@ -61,7 +61,6 @@ typedef struct HapChunk {
 typedef struct HapContext {
     AVClass *class;
 
-    TextureDSPContext dxtc;
     GetByteContext gbc;
 
     enum HapTextureFormat opt_tex_fmt; /* Texture type (encoder only) */
diff --git a/libavcodec/hapdec.c b/libavcodec/hapdec.c
index fee3c04d84..64e0494370 100644
--- a/libavcodec/hapdec.c
+++ b/libavcodec/hapdec.c
@@ -337,6 +337,7 @@ static int hap_decode(AVCodecContext *avctx, AVFrame *frame,
 static av_cold int hap_init(AVCodecContext *avctx)
 {
     HapContext *ctx = avctx->priv_data;
+    TextureDSPContext dxtc;
     const char *texture_name;
     int ret = av_image_check_size(avctx->width, avctx->height, 0, avctx);
 
@@ -350,7 +351,7 @@ static av_cold int hap_init(AVCodecContext *avctx)
     avctx->coded_width  = FFALIGN(avctx->width,  TEXTURE_BLOCK_W);
     avctx->coded_height = FFALIGN(avctx->height, TEXTURE_BLOCK_H);
 
-    ff_texturedsp_init(&ctx->dxtc);
+    ff_texturedsp_init(&dxtc);
 
     ctx->texture_count  = 1;
     ctx->dec[0].raw_ratio = 16;
@@ -361,25 +362,25 @@ static av_cold int hap_init(AVCodecContext *avctx)
     case MKTAG('H','a','p','1'):
         texture_name = "DXT1";
         ctx->dec[0].tex_ratio = 8;
-        ctx->dec[0].tex_funct = ctx->dxtc.dxt1_block;
+        ctx->dec[0].tex_funct = dxtc.dxt1_block;
         avctx->pix_fmt = AV_PIX_FMT_RGB0;
         break;
     case MKTAG('H','a','p','5'):
         texture_name = "DXT5";
         ctx->dec[0].tex_ratio = 16;
-        ctx->dec[0].tex_funct = ctx->dxtc.dxt5_block;
+        ctx->dec[0].tex_funct = dxtc.dxt5_block;
         avctx->pix_fmt = AV_PIX_FMT_RGBA;
         break;
     case MKTAG('H','a','p','Y'):
         texture_name = "DXT5-YCoCg-scaled";
         ctx->dec[0].tex_ratio = 16;
-        ctx->dec[0].tex_funct = ctx->dxtc.dxt5ys_block;
+        ctx->dec[0].tex_funct = dxtc.dxt5ys_block;
         avctx->pix_fmt = AV_PIX_FMT_RGB0;
         break;
     case MKTAG('H','a','p','A'):
         texture_name = "RGTC1";
         ctx->dec[0].tex_ratio = 8;
-        ctx->dec[0].tex_funct = ctx->dxtc.rgtc1u_gray_block;
+        ctx->dec[0].tex_funct = dxtc.rgtc1u_gray_block;
         ctx->dec[0].raw_ratio = 4;
         avctx->pix_fmt = AV_PIX_FMT_GRAY8;
         break;
@@ -387,8 +388,8 @@ static av_cold int hap_init(AVCodecContext *avctx)
         texture_name  = "DXT5-YCoCg-scaled / RGTC1";
         ctx->dec[0].tex_ratio = 16;
         ctx->dec[1].tex_ratio = 8;
-        ctx->dec[0].tex_funct = ctx->dxtc.dxt5ys_block;
-        ctx->dec[1].tex_funct = ctx->dxtc.rgtc1u_alpha_block;
+        ctx->dec[0].tex_funct = dxtc.dxt5ys_block;
+        ctx->dec[1].tex_funct = dxtc.rgtc1u_alpha_block;
         ctx->dec[1].raw_ratio = 16;
         ctx->dec[1].slice_count = ctx->dec[0].slice_count;
         avctx->pix_fmt = AV_PIX_FMT_RGBA;
diff --git a/libavcodec/hapenc.c b/libavcodec/hapenc.c
index 7de7358e3d..2c8bc8e16a 100644
--- a/libavcodec/hapenc.c
+++ b/libavcodec/hapenc.c
@@ -232,6 +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;
     int corrected_chunk_count;
     int ret = av_image_check_size(avctx->width, avctx->height, 0, avctx);
 
@@ -247,26 +248,26 @@ static av_cold int hap_init(AVCodecContext *avctx)
         return AVERROR_INVALIDDATA;
     }
 
-    ff_texturedspenc_init(&ctx->dxtc);
+    ff_texturedspenc_init(&dxtc);
 
     switch (ctx->opt_tex_fmt) {
     case HAP_FMT_RGBDXT1:
         ctx->enc.tex_ratio = 8;
         avctx->codec_tag = MKTAG('H', 'a', 'p', '1');
         avctx->bits_per_coded_sample = 24;
-        ctx->enc.tex_funct = ctx->dxtc.dxt1_block;
+        ctx->enc.tex_funct = dxtc.dxt1_block;
         break;
     case HAP_FMT_RGBADXT5:
         ctx->enc.tex_ratio = 16;
         avctx->codec_tag = MKTAG('H', 'a', 'p', '5');
         avctx->bits_per_coded_sample = 32;
-        ctx->enc.tex_funct = ctx->dxtc.dxt5_block;
+        ctx->enc.tex_funct = dxtc.dxt5_block;
         break;
     case HAP_FMT_YCOCGDXT5:
         ctx->enc.tex_ratio = 16;
         avctx->codec_tag = MKTAG('H', 'a', 'p', 'Y');
         avctx->bits_per_coded_sample = 24;
-        ctx->enc.tex_funct = ctx->dxtc.dxt5ys_block;
+        ctx->enc.tex_funct = dxtc.dxt5ys_block;
         break;
     default:
         av_log(avctx, AV_LOG_ERROR, "Invalid format %02X\n", ctx->opt_tex_fmt);
-- 
2.34.1

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