[FFmpeg-cvslog] avutil/imgutils: Add wrapper for av_image_copy() to avoid casts
Andreas Rheinhardt
git at videolan.org
Tue Sep 12 11:05:41 EEST 2023
ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at outlook.com> | Thu Sep 7 00:09:10 2023 +0200| [423b6a7e493828dd91d5e590e0905236f1f46557] | committer: Andreas Rheinhardt
avutil/imgutils: Add wrapper for av_image_copy() to avoid casts
av_image_copy() accepts const uint8_t* const * as source;
lots of user have uint8_t* const * and therefore either
cast (the majority) or copy the array of pointers.
This commit changes this by adding a static inline wrapper
for av_image_copy() that casts between the two types
so that we do not need to add casts everywhere else.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=423b6a7e493828dd91d5e590e0905236f1f46557
---
doc/APIchanges | 4 ++++
doc/examples/demux_decode.c | 6 +++---
libavcodec/amfenc.c | 6 +++---
libavcodec/libkvazaar.c | 6 +++---
libavcodec/libopenh264dec.c | 3 ++-
libavcodec/libvpxdec.c | 4 ++--
libavcodec/mediacodecenc.c | 7 ++-----
libavcodec/mmaldec.c | 4 ++--
libavcodec/nuv.c | 4 ++--
libavcodec/nvenc.c | 6 +++---
libavcodec/omx.c | 3 ++-
libavcodec/v210dec.c | 3 ++-
libavdevice/xv.c | 4 ++--
libavfilter/lavfutils.c | 3 ++-
libavfilter/vf_framepack.c | 28 ++++++++++------------------
libavfilter/vf_pullup.c | 12 ++++++------
libavfilter/yadif_common.c | 6 +++---
libavutil/frame.c | 8 +++-----
libavutil/hwcontext_d3d11va.c | 8 ++++----
libavutil/hwcontext_dxva2.c | 4 ++--
libavutil/imgutils.h | 16 ++++++++++++++++
libavutil/version.h | 2 +-
22 files changed, 79 insertions(+), 68 deletions(-)
diff --git a/doc/APIchanges b/doc/APIchanges
index bf4fe9419e..be2c8c65e1 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -2,6 +2,10 @@ The last version increases of all libraries were on 2023-02-09
API changes, most recent first:
+2023-09-07 - xxxxxxxxxx - lavu 58.24.100 - imgutils.h
+ Add av_image_copy2(), a wrapper around the av_image_copy()
+ to overcome limitations of automatic conversions.
+
2023-09-07 - xxxxxxxxxx - lavu 58.23.100 - fifo.h
Constify the AVFifo pointees in av_fifo_peek() and av_fifo_peek_to_cb().
diff --git a/doc/examples/demux_decode.c b/doc/examples/demux_decode.c
index 298a369f43..f26611d8f4 100644
--- a/doc/examples/demux_decode.c
+++ b/doc/examples/demux_decode.c
@@ -78,9 +78,9 @@ static int output_video_frame(AVFrame *frame)
/* copy decoded frame to destination buffer:
* this is required since rawvideo expects non aligned data */
- av_image_copy(video_dst_data, video_dst_linesize,
- (const uint8_t **)(frame->data), frame->linesize,
- pix_fmt, width, height);
+ av_image_copy2(video_dst_data, video_dst_linesize,
+ frame->data, frame->linesize,
+ pix_fmt, width, height);
/* write to rawvideo file */
fwrite(video_dst_data[0], 1, video_dst_bufsize, video_dst_file);
diff --git a/libavcodec/amfenc.c b/libavcodec/amfenc.c
index 518b8396e7..061859f85c 100644
--- a/libavcodec/amfenc.c
+++ b/libavcodec/amfenc.c
@@ -430,9 +430,9 @@ static int amf_copy_surface(AVCodecContext *avctx, const AVFrame *frame,
dst_data[i] = plane->pVtbl->GetNative(plane);
dst_linesize[i] = plane->pVtbl->GetHPitch(plane);
}
- av_image_copy(dst_data, dst_linesize,
- (const uint8_t**)frame->data, frame->linesize, frame->format,
- avctx->width, avctx->height);
+ av_image_copy2(dst_data, dst_linesize,
+ frame->data, frame->linesize, frame->format,
+ avctx->width, avctx->height);
return 0;
}
diff --git a/libavcodec/libkvazaar.c b/libavcodec/libkvazaar.c
index 2ef34dd82e..0ebf37607a 100644
--- a/libavcodec/libkvazaar.c
+++ b/libavcodec/libkvazaar.c
@@ -221,9 +221,9 @@ static int libkvazaar_encode(AVCodecContext *avctx,
frame->width / 2,
0
};
- av_image_copy(dst, dst_linesizes,
- (const uint8_t **)frame->data, frame->linesize,
- frame->format, frame->width, frame->height);
+ av_image_copy2(dst, dst_linesizes,
+ frame->data, frame->linesize,
+ frame->format, frame->width, frame->height);
}
input_pic->pts = frame->pts;
diff --git a/libavcodec/libopenh264dec.c b/libavcodec/libopenh264dec.c
index af53219b41..7d650ae03e 100644
--- a/libavcodec/libopenh264dec.c
+++ b/libavcodec/libopenh264dec.c
@@ -141,7 +141,8 @@ static int svc_decode_frame(AVCodecContext *avctx, AVFrame *avframe,
linesize[0] = info.UsrData.sSystemBuffer.iStride[0];
linesize[1] = linesize[2] = info.UsrData.sSystemBuffer.iStride[1];
linesize[3] = 0;
- av_image_copy(avframe->data, avframe->linesize, (const uint8_t **) ptrs, linesize, avctx->pix_fmt, avctx->width, avctx->height);
+ av_image_copy2(avframe->data, avframe->linesize, ptrs, linesize,
+ avctx->pix_fmt, avctx->width, avctx->height);
avframe->pts = info.uiOutYuvTimeStamp;
avframe->pkt_dts = AV_NOPTS_VALUE;
diff --git a/libavcodec/libvpxdec.c b/libavcodec/libvpxdec.c
index 40c8caf887..72ef5fa9a7 100644
--- a/libavcodec/libvpxdec.c
+++ b/libavcodec/libvpxdec.c
@@ -329,8 +329,8 @@ static int vpx_decode(AVCodecContext *avctx, AVFrame *picture,
} else {
if ((ret = ff_get_buffer(avctx, picture, 0)) < 0)
return ret;
- av_image_copy(picture->data, picture->linesize, (const uint8_t**)planes,
- linesizes, avctx->pix_fmt, img->d_w, img->d_h);
+ av_image_copy2(picture->data, picture->linesize, planes,
+ linesizes, avctx->pix_fmt, img->d_w, img->d_h);
}
*got_frame = 1;
}
diff --git a/libavcodec/mediacodecenc.c b/libavcodec/mediacodecenc.c
index 485ab7b4ed..a1ae5d5ec5 100644
--- a/libavcodec/mediacodecenc.c
+++ b/libavcodec/mediacodecenc.c
@@ -428,9 +428,6 @@ static void copy_frame_to_buffer(AVCodecContext *avctx, const AVFrame *frame, ui
MediaCodecEncContext *s = avctx->priv_data;
uint8_t *dst_data[4] = {};
int dst_linesize[4] = {};
- const uint8_t *src_data[4] = {
- frame->data[0], frame->data[1], frame->data[2], frame->data[3]
- };
if (avctx->pix_fmt == AV_PIX_FMT_YUV420P) {
dst_data[0] = dst;
@@ -449,8 +446,8 @@ static void copy_frame_to_buffer(AVCodecContext *avctx, const AVFrame *frame, ui
av_assert0(0);
}
- av_image_copy(dst_data, dst_linesize, src_data, frame->linesize,
- avctx->pix_fmt, avctx->width, avctx->height);
+ av_image_copy2(dst_data, dst_linesize, frame->data, frame->linesize,
+ avctx->pix_fmt, avctx->width, avctx->height);
}
static int mediacodec_send(AVCodecContext *avctx,
diff --git a/libavcodec/mmaldec.c b/libavcodec/mmaldec.c
index 8d67d10cd9..4bb3eb22ef 100644
--- a/libavcodec/mmaldec.c
+++ b/libavcodec/mmaldec.c
@@ -648,8 +648,8 @@ static int ffmal_copy_frame(AVCodecContext *avctx, AVFrame *frame,
av_image_fill_arrays(src, linesize,
buffer->data + buffer->type->video.offset[0],
avctx->pix_fmt, w, h, 1);
- av_image_copy(frame->data, frame->linesize, (const uint8_t **)src, linesize,
- avctx->pix_fmt, avctx->width, avctx->height);
+ av_image_copy2(frame->data, frame->linesize, src, linesize,
+ avctx->pix_fmt, avctx->width, avctx->height);
}
frame->sample_aspect_ratio = avctx->sample_aspect_ratio;
diff --git a/libavcodec/nuv.c b/libavcodec/nuv.c
index 82048e9326..1dda770c97 100644
--- a/libavcodec/nuv.c
+++ b/libavcodec/nuv.c
@@ -56,8 +56,8 @@ static void copy_frame(AVFrame *f, const uint8_t *src, int width, int height)
int src_linesize[4];
av_image_fill_arrays(src_data, src_linesize, src,
f->format, width, height, 1);
- av_image_copy(f->data, f->linesize, (const uint8_t **)src_data, src_linesize,
- f->format, width, height);
+ av_image_copy2(f->data, f->linesize, src_data, src_linesize,
+ f->format, width, height);
}
/**
diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c
index 9875f02dc8..65b96d6cf6 100644
--- a/libavcodec/nvenc.c
+++ b/libavcodec/nvenc.c
@@ -2008,9 +2008,9 @@ static int nvenc_copy_frame(AVCodecContext *avctx, NvencSurface *nv_surface,
if (frame->format == AV_PIX_FMT_YUV420P)
FFSWAP(uint8_t*, dst_data[1], dst_data[2]);
- av_image_copy(dst_data, dst_linesize,
- (const uint8_t**)frame->data, frame->linesize, frame->format,
- avctx->width, avctx->height);
+ av_image_copy2(dst_data, dst_linesize,
+ frame->data, frame->linesize, frame->format,
+ avctx->width, avctx->height);
return 0;
}
diff --git a/libavcodec/omx.c b/libavcodec/omx.c
index 8d6519d141..82fd492071 100644
--- a/libavcodec/omx.c
+++ b/libavcodec/omx.c
@@ -793,7 +793,8 @@ static int omx_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
need_copy = 1;
}
if (need_copy)
- av_image_copy(dst, linesize, (const uint8_t**) frame->data, frame->linesize, avctx->pix_fmt, avctx->width, avctx->height);
+ av_image_copy2(dst, linesize, frame->data, frame->linesize,
+ avctx->pix_fmt, avctx->width, avctx->height);
buffer->nFlags = OMX_BUFFERFLAG_ENDOFFRAME;
buffer->nOffset = 0;
// Convert the timestamps to microseconds; some encoders can ignore
diff --git a/libavcodec/v210dec.c b/libavcodec/v210dec.c
index 04bcc612b7..d80fb4e7c6 100644
--- a/libavcodec/v210dec.c
+++ b/libavcodec/v210dec.c
@@ -201,7 +201,8 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *pic,
if (ret < 0)
return ret;
decode_row((const uint32_t *)psrc, (uint16_t *)pointers[0], (uint16_t *)pointers[1], (uint16_t *)pointers[2], avctx->width * avctx->height, s->unpack_frame);
- av_image_copy(pic->data, pic->linesize, (const uint8_t **)pointers, linesizes, avctx->pix_fmt, avctx->width, avctx->height);
+ av_image_copy2(pic->data, pic->linesize, pointers, linesizes,
+ avctx->pix_fmt, avctx->width, avctx->height);
av_freep(&pointers[0]);
}
diff --git a/libavdevice/xv.c b/libavdevice/xv.c
index b3d79d57a8..cba933ef17 100644
--- a/libavdevice/xv.c
+++ b/libavdevice/xv.c
@@ -315,8 +315,8 @@ static int write_picture(AVFormatContext *s, uint8_t *input_data[4],
}
}
- av_image_copy(data, img->pitches, (const uint8_t **)input_data, linesize,
- xv->image_format, img->width, img->height);
+ av_image_copy2(data, img->pitches, input_data, linesize,
+ xv->image_format, img->width, img->height);
return xv_repaint(s);
}
diff --git a/libavfilter/lavfutils.c b/libavfilter/lavfutils.c
index 9aa781ef7b..6130f21e7f 100644
--- a/libavfilter/lavfutils.c
+++ b/libavfilter/lavfutils.c
@@ -117,7 +117,8 @@ int ff_load_image(uint8_t *data[4], int linesize[4],
goto end;
ret = 0;
- av_image_copy(data, linesize, (const uint8_t **)frame->data, frame->linesize, *pix_fmt, *w, *h);
+ av_image_copy2(data, linesize, frame->data, frame->linesize,
+ *pix_fmt, *w, *h);
end:
avcodec_free_context(&codec_ctx);
diff --git a/libavfilter/vf_framepack.c b/libavfilter/vf_framepack.c
index 8693ad6488..cbfcf1e036 100644
--- a/libavfilter/vf_framepack.c
+++ b/libavfilter/vf_framepack.c
@@ -234,22 +234,18 @@ static void horizontal_frame_pack(AVFilterLink *outlink,
} else {
for (i = 0; i < 2; i++) {
const int psize = 1 + (s->depth > 8);
- const uint8_t *src[4];
uint8_t *dst[4];
int sub_w = psize * s->input_views[i]->width >> s->pix_desc->log2_chroma_w;
- src[0] = s->input_views[i]->data[0];
- src[1] = s->input_views[i]->data[1];
- src[2] = s->input_views[i]->data[2];
-
dst[0] = out->data[0] + i * s->input_views[i]->width * psize;
dst[1] = out->data[1] + i * sub_w;
dst[2] = out->data[2] + i * sub_w;
- av_image_copy(dst, out->linesize, src, s->input_views[i]->linesize,
- s->input_views[i]->format,
- s->input_views[i]->width,
- s->input_views[i]->height);
+ av_image_copy2(dst, out->linesize,
+ s->input_views[i]->data, s->input_views[i]->linesize,
+ s->input_views[i]->format,
+ s->input_views[i]->width,
+ s->input_views[i]->height);
}
}
}
@@ -263,15 +259,10 @@ static void vertical_frame_pack(AVFilterLink *outlink,
int i;
for (i = 0; i < 2; i++) {
- const uint8_t *src[4];
uint8_t *dst[4];
int linesizes[4];
int sub_h = s->input_views[i]->height >> s->pix_desc->log2_chroma_h;
- src[0] = s->input_views[i]->data[0];
- src[1] = s->input_views[i]->data[1];
- src[2] = s->input_views[i]->data[2];
-
dst[0] = out->data[0] + i * out->linesize[0] *
(interleaved + s->input_views[i]->height * (1 - interleaved));
dst[1] = out->data[1] + i * out->linesize[1] *
@@ -286,10 +277,11 @@ static void vertical_frame_pack(AVFilterLink *outlink,
linesizes[2] = out->linesize[2] +
interleaved * out->linesize[2];
- av_image_copy(dst, linesizes, src, s->input_views[i]->linesize,
- s->input_views[i]->format,
- s->input_views[i]->width,
- s->input_views[i]->height);
+ av_image_copy2(dst, linesizes,
+ s->input_views[i]->data, s->input_views[i]->linesize,
+ s->input_views[i]->format,
+ s->input_views[i]->width,
+ s->input_views[i]->height);
}
}
diff --git a/libavfilter/vf_pullup.c b/libavfilter/vf_pullup.c
index 7245684085..14beb972c5 100644
--- a/libavfilter/vf_pullup.c
+++ b/libavfilter/vf_pullup.c
@@ -666,9 +666,9 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
goto end;
}
- av_image_copy(b->planes, s->planewidth,
- (const uint8_t**)in->data, in->linesize,
- inlink->format, inlink->w, inlink->h);
+ av_image_copy2(b->planes, s->planewidth,
+ in->data, in->linesize,
+ inlink->format, inlink->w, inlink->h);
p = (in->flags & AV_FRAME_FLAG_INTERLACED) ?
!(in->flags & AV_FRAME_FLAG_TOP_FIELD_FIRST) : 0;
@@ -714,9 +714,9 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
}
av_frame_copy_props(out, in);
- av_image_copy(out->data, out->linesize,
- (const uint8_t**)f->buffer->planes, s->planewidth,
- inlink->format, inlink->w, inlink->h);
+ av_image_copy2(out->data, out->linesize,
+ f->buffer->planes, s->planewidth,
+ inlink->format, inlink->w, inlink->h);
ret = ff_filter_frame(outlink, out);
pullup_release_frame(f);
diff --git a/libavfilter/yadif_common.c b/libavfilter/yadif_common.c
index 561659e346..b26989f574 100644
--- a/libavfilter/yadif_common.c
+++ b/libavfilter/yadif_common.c
@@ -89,9 +89,9 @@ static void fixstride(AVFilterLink *link, AVFrame *f)
if(!dst)
return;
av_frame_copy_props(dst, f);
- av_image_copy(dst->data, dst->linesize,
- (const uint8_t **)f->data, f->linesize,
- dst->format, dst->width, dst->height);
+ av_image_copy2(dst->data, dst->linesize,
+ f->data, f->linesize,
+ dst->format, dst->width, dst->height);
av_frame_unref(f);
av_frame_move_ref(f, dst);
av_frame_free(&dst);
diff --git a/libavutil/frame.c b/libavutil/frame.c
index b6cee2d886..a3f07ca089 100644
--- a/libavutil/frame.c
+++ b/libavutil/frame.c
@@ -833,7 +833,6 @@ AVFrameSideData *av_frame_get_side_data(const AVFrame *frame,
static int frame_copy_video(AVFrame *dst, const AVFrame *src)
{
- const uint8_t *src_data[4];
int planes;
if (dst->width < src->width ||
@@ -848,10 +847,9 @@ static int frame_copy_video(AVFrame *dst, const AVFrame *src)
if (!dst->data[i] || !src->data[i])
return AVERROR(EINVAL);
- memcpy(src_data, src->data, sizeof(src_data));
- av_image_copy(dst->data, dst->linesize,
- src_data, src->linesize,
- dst->format, src->width, src->height);
+ av_image_copy2(dst->data, dst->linesize,
+ src->data, src->linesize,
+ dst->format, src->width, src->height);
return 0;
}
diff --git a/libavutil/hwcontext_d3d11va.c b/libavutil/hwcontext_d3d11va.c
index aa50538d64..cc8c97d2b6 100644
--- a/libavutil/hwcontext_d3d11va.c
+++ b/libavutil/hwcontext_d3d11va.c
@@ -452,8 +452,8 @@ static int d3d11va_transfer_data(AVHWFramesContext *ctx, AVFrame *dst,
fill_texture_ptrs(map_data, map_linesize, ctx, &desc, &map);
- av_image_copy(dst->data, dst->linesize, (const uint8_t **)map_data, map_linesize,
- ctx->sw_format, w, h);
+ av_image_copy2(dst->data, dst->linesize, map_data, map_linesize,
+ ctx->sw_format, w, h);
ID3D11DeviceContext_Unmap(device_hwctx->device_context, staging, 0);
} else {
@@ -464,8 +464,8 @@ static int d3d11va_transfer_data(AVHWFramesContext *ctx, AVFrame *dst,
fill_texture_ptrs(map_data, map_linesize, ctx, &desc, &map);
- av_image_copy(map_data, map_linesize, (const uint8_t **)src->data, src->linesize,
- ctx->sw_format, w, h);
+ av_image_copy2(map_data, map_linesize, src->data, src->linesize,
+ ctx->sw_format, w, h);
ID3D11DeviceContext_Unmap(device_hwctx->device_context, staging, 0);
diff --git a/libavutil/hwcontext_dxva2.c b/libavutil/hwcontext_dxva2.c
index ea378df720..2c11f151ff 100644
--- a/libavutil/hwcontext_dxva2.c
+++ b/libavutil/hwcontext_dxva2.c
@@ -356,8 +356,8 @@ static int dxva2_transfer_data_to(AVHWFramesContext *ctx, AVFrame *dst,
if (ret < 0)
goto fail;
- av_image_copy(map->data, map->linesize, (const uint8_t **)src->data, src->linesize,
- ctx->sw_format, src->width, src->height);
+ av_image_copy2(map->data, map->linesize, src->data, src->linesize,
+ ctx->sw_format, src->width, src->height);
fail:
av_frame_free(&map);
diff --git a/libavutil/imgutils.h b/libavutil/imgutils.h
index 91312a72d3..fa3bb101b1 100644
--- a/libavutil/imgutils.h
+++ b/libavutil/imgutils.h
@@ -174,6 +174,22 @@ void av_image_copy(uint8_t * const dst_data[4], const int dst_linesizes[4],
const uint8_t * const src_data[4], const int src_linesizes[4],
enum AVPixelFormat pix_fmt, int width, int height);
+/**
+ * Wrapper around av_image_copy() to workaround the limitation
+ * that the conversion from uint8_t * const * to const uint8_t * const *
+ * is not performed automatically in C.
+ * @see av_image_copy()
+ */
+static inline
+void av_image_copy2(uint8_t * const dst_data[4], const int dst_linesizes[4],
+ uint8_t * const src_data[4], const int src_linesizes[4],
+ enum AVPixelFormat pix_fmt, int width, int height)
+{
+ av_image_copy(dst_data, dst_linesizes,
+ (const uint8_t * const *)src_data, src_linesizes,
+ pix_fmt, width, height);
+}
+
/**
* Copy image data located in uncacheable (e.g. GPU mapped) memory. Where
* available, this function will use special functionality for reading from such
diff --git a/libavutil/version.h b/libavutil/version.h
index b9a86e50a1..132e5ffc84 100644
--- a/libavutil/version.h
+++ b/libavutil/version.h
@@ -79,7 +79,7 @@
*/
#define LIBAVUTIL_VERSION_MAJOR 58
-#define LIBAVUTIL_VERSION_MINOR 23
+#define LIBAVUTIL_VERSION_MINOR 24
#define LIBAVUTIL_VERSION_MICRO 100
#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
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