* [FFmpeg-devel] [PATCH 1/2] avcodec/mjpegdec: use memset to clear alpha
@ 2023-12-13 18:26 Marton Balint
2023-12-13 18:26 ` [FFmpeg-devel] [PATCH 2/2] avcodec/mjpegdec: avoid indirection when accessing avctx Marton Balint
2023-12-28 20:43 ` [FFmpeg-devel] [PATCH 1/2] avcodec/mjpegdec: use memset to clear alpha Marton Balint
0 siblings, 2 replies; 3+ messages in thread
From: Marton Balint @ 2023-12-13 18:26 UTC (permalink / raw)
To: ffmpeg-devel; +Cc: Marton Balint
Signed-off-by: Marton Balint <cus@passwd.hu>
---
libavcodec/mjpegdec.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c
index 8676155ecf..8191606f43 100644
--- a/libavcodec/mjpegdec.c
+++ b/libavcodec/mjpegdec.c
@@ -2793,8 +2793,8 @@ the_end:
dst[0][j] = g*257 >> 16;
dst[1][j] = b*257 >> 16;
dst[2][j] = r*257 >> 16;
- dst[3][j] = 255;
}
+ memset(dst[3], 255, w);
}
}
if (s->adobe_transform == 2 && s->avctx->pix_fmt == AV_PIX_FMT_YUVA444P) {
@@ -2816,8 +2816,8 @@ the_end:
dst[0][j] = r*257 >> 16;
dst[1][j] = (g*257 >> 16) + 128;
dst[2][j] = (b*257 >> 16) + 128;
- dst[3][j] = 255;
}
+ memset(dst[3], 255, w);
}
}
--
2.35.3
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^ permalink raw reply [flat|nested] 3+ messages in thread
* [FFmpeg-devel] [PATCH 2/2] avcodec/mjpegdec: avoid indirection when accessing avctx
2023-12-13 18:26 [FFmpeg-devel] [PATCH 1/2] avcodec/mjpegdec: use memset to clear alpha Marton Balint
@ 2023-12-13 18:26 ` Marton Balint
2023-12-28 20:43 ` [FFmpeg-devel] [PATCH 1/2] avcodec/mjpegdec: use memset to clear alpha Marton Balint
1 sibling, 0 replies; 3+ messages in thread
From: Marton Balint @ 2023-12-13 18:26 UTC (permalink / raw)
To: ffmpeg-devel; +Cc: Marton Balint
Signed-off-by: Marton Balint <cus@passwd.hu>
---
libavcodec/mjpegdec.c | 38 +++++++++++++++++++-------------------
1 file changed, 19 insertions(+), 19 deletions(-)
diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c
index 8191606f43..81f724d230 100644
--- a/libavcodec/mjpegdec.c
+++ b/libavcodec/mjpegdec.c
@@ -2422,7 +2422,7 @@ redo_for_pal8:
}
s->start_code = start_code;
- if (s->avctx->debug & FF_DEBUG_STARTCODE)
+ if (avctx->debug & FF_DEBUG_STARTCODE)
av_log(avctx, AV_LOG_DEBUG, "startcode: %X\n", start_code);
/* process markers */
@@ -2486,9 +2486,9 @@ redo_for_pal8:
case SOF0:
case SOF1:
if (start_code == SOF0)
- s->avctx->profile = AV_PROFILE_MJPEG_HUFFMAN_BASELINE_DCT;
+ avctx->profile = AV_PROFILE_MJPEG_HUFFMAN_BASELINE_DCT;
else
- s->avctx->profile = AV_PROFILE_MJPEG_HUFFMAN_EXTENDED_SEQUENTIAL_DCT;
+ avctx->profile = AV_PROFILE_MJPEG_HUFFMAN_EXTENDED_SEQUENTIAL_DCT;
s->lossless = 0;
s->ls = 0;
s->progressive = 0;
@@ -2496,7 +2496,7 @@ redo_for_pal8:
goto fail;
break;
case SOF2:
- s->avctx->profile = AV_PROFILE_MJPEG_HUFFMAN_PROGRESSIVE_DCT;
+ avctx->profile = AV_PROFILE_MJPEG_HUFFMAN_PROGRESSIVE_DCT;
s->lossless = 0;
s->ls = 0;
s->progressive = 1;
@@ -2504,8 +2504,8 @@ redo_for_pal8:
goto fail;
break;
case SOF3:
- s->avctx->profile = AV_PROFILE_MJPEG_HUFFMAN_LOSSLESS;
- s->avctx->properties |= FF_CODEC_PROPERTY_LOSSLESS;
+ avctx->profile = AV_PROFILE_MJPEG_HUFFMAN_LOSSLESS;
+ avctx->properties |= FF_CODEC_PROPERTY_LOSSLESS;
s->lossless = 1;
s->ls = 0;
s->progressive = 0;
@@ -2513,8 +2513,8 @@ redo_for_pal8:
goto fail;
break;
case SOF48:
- s->avctx->profile = AV_PROFILE_MJPEG_JPEG_LS;
- s->avctx->properties |= FF_CODEC_PROPERTY_LOSSLESS;
+ avctx->profile = AV_PROFILE_MJPEG_JPEG_LS;
+ avctx->properties |= FF_CODEC_PROPERTY_LOSSLESS;
s->lossless = 1;
s->ls = 1;
s->progressive = 0;
@@ -2549,8 +2549,8 @@ eoi_parser:
s->got_picture = 0;
goto the_end_no_picture;
}
- if (s->avctx->hwaccel) {
- ret = FF_HW_SIMPLE_CALL(s->avctx, end_frame);
+ if (avctx->hwaccel) {
+ ret = FF_HW_SIMPLE_CALL(avctx, end_frame);
if (ret < 0)
return ret;
@@ -2621,7 +2621,7 @@ fail:
return ret;
the_end:
- is16bit = av_pix_fmt_desc_get(s->avctx->pix_fmt)->comp[0].step > 1;
+ is16bit = av_pix_fmt_desc_get(avctx->pix_fmt)->comp[0].step > 1;
if (AV_RB32(s->upscale_h)) {
int p;
@@ -2640,7 +2640,7 @@ the_end:
avctx->pix_fmt == AV_PIX_FMT_GBRP ||
avctx->pix_fmt == AV_PIX_FMT_GBRAP
);
- ret = av_pix_fmt_get_chroma_sub_sample(s->avctx->pix_fmt, &hshift, &vshift);
+ ret = av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt, &hshift, &vshift);
if (ret)
return ret;
@@ -2720,7 +2720,7 @@ the_end:
avctx->pix_fmt == AV_PIX_FMT_GBRP ||
avctx->pix_fmt == AV_PIX_FMT_GBRAP
);
- ret = av_pix_fmt_get_chroma_sub_sample(s->avctx->pix_fmt, &hshift, &vshift);
+ ret = av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt, &hshift, &vshift);
if (ret)
return ret;
@@ -2750,7 +2750,7 @@ the_end:
}
}
if (s->flipped && !s->rgb) {
- ret = av_pix_fmt_get_chroma_sub_sample(s->avctx->pix_fmt, &hshift, &vshift);
+ ret = av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt, &hshift, &vshift);
if (ret)
return ret;
@@ -2766,7 +2766,7 @@ the_end:
}
}
- if (s->avctx->pix_fmt == AV_PIX_FMT_GBRP) {
+ if (avctx->pix_fmt == AV_PIX_FMT_GBRP) {
av_assert0(s->nb_components == 3);
FFSWAP(uint8_t *, frame->data[0], frame->data[2]);
FFSWAP(uint8_t *, frame->data[0], frame->data[1]);
@@ -2774,7 +2774,7 @@ the_end:
FFSWAP(int, frame->linesize[0], frame->linesize[1]);
}
- if (s->adobe_transform == 0 && s->avctx->pix_fmt == AV_PIX_FMT_GBRAP) {
+ if (s->adobe_transform == 0 && avctx->pix_fmt == AV_PIX_FMT_GBRAP) {
int w = s->picture_ptr->width;
int h = s->picture_ptr->height;
av_assert0(s->nb_components == 4);
@@ -2797,7 +2797,7 @@ the_end:
memset(dst[3], 255, w);
}
}
- if (s->adobe_transform == 2 && s->avctx->pix_fmt == AV_PIX_FMT_YUVA444P) {
+ if (s->adobe_transform == 2 && avctx->pix_fmt == AV_PIX_FMT_YUVA444P) {
int w = s->picture_ptr->width;
int h = s->picture_ptr->height;
av_assert0(s->nb_components == 4);
@@ -2842,7 +2842,7 @@ the_end:
sd = av_frame_new_side_data(frame, AV_FRAME_DATA_ICC_PROFILE, total_size);
if (!sd) {
- av_log(s->avctx, AV_LOG_ERROR, "Could not allocate frame side data\n");
+ av_log(avctx, AV_LOG_ERROR, "Could not allocate frame side data\n");
return AVERROR(ENOMEM);
}
@@ -2865,7 +2865,7 @@ the_end:
sd = av_frame_new_side_data(frame, AV_FRAME_DATA_DISPLAYMATRIX, sizeof(int32_t) * 9);
if (!sd) {
- av_log(s->avctx, AV_LOG_ERROR, "Could not allocate frame side data\n");
+ av_log(avctx, AV_LOG_ERROR, "Could not allocate frame side data\n");
return AVERROR(ENOMEM);
}
--
2.35.3
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To unsubscribe, visit link above, or email
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [FFmpeg-devel] [PATCH 1/2] avcodec/mjpegdec: use memset to clear alpha
2023-12-13 18:26 [FFmpeg-devel] [PATCH 1/2] avcodec/mjpegdec: use memset to clear alpha Marton Balint
2023-12-13 18:26 ` [FFmpeg-devel] [PATCH 2/2] avcodec/mjpegdec: avoid indirection when accessing avctx Marton Balint
@ 2023-12-28 20:43 ` Marton Balint
1 sibling, 0 replies; 3+ messages in thread
From: Marton Balint @ 2023-12-28 20:43 UTC (permalink / raw)
To: FFmpeg development discussions and patches
On Wed, 13 Dec 2023, Marton Balint wrote:
> Signed-off-by: Marton Balint <cus@passwd.hu>
> ---
> libavcodec/mjpegdec.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
Will apply the series.
Regards,
Marton
>
> diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c
> index 8676155ecf..8191606f43 100644
> --- a/libavcodec/mjpegdec.c
> +++ b/libavcodec/mjpegdec.c
> @@ -2793,8 +2793,8 @@ the_end:
> dst[0][j] = g*257 >> 16;
> dst[1][j] = b*257 >> 16;
> dst[2][j] = r*257 >> 16;
> - dst[3][j] = 255;
> }
> + memset(dst[3], 255, w);
> }
> }
> if (s->adobe_transform == 2 && s->avctx->pix_fmt == AV_PIX_FMT_YUVA444P) {
> @@ -2816,8 +2816,8 @@ the_end:
> dst[0][j] = r*257 >> 16;
> dst[1][j] = (g*257 >> 16) + 128;
> dst[2][j] = (b*257 >> 16) + 128;
> - dst[3][j] = 255;
> }
> + memset(dst[3], 255, w);
> }
> }
>
> --
> 2.35.3
>
> _______________________________________________
> ffmpeg-devel mailing list
> ffmpeg-devel@ffmpeg.org
> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>
> To unsubscribe, visit link above, or email
> ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
>
_______________________________________________
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https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
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^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2023-12-28 20:43 UTC | newest]
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2023-12-13 18:26 [FFmpeg-devel] [PATCH 1/2] avcodec/mjpegdec: use memset to clear alpha Marton Balint
2023-12-13 18:26 ` [FFmpeg-devel] [PATCH 2/2] avcodec/mjpegdec: avoid indirection when accessing avctx Marton Balint
2023-12-28 20:43 ` [FFmpeg-devel] [PATCH 1/2] avcodec/mjpegdec: use memset to clear alpha Marton Balint
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