* [FFmpeg-devel] [PATCH 1/2] avformat/mov: export cropping values from clap boxes
@ 2024-07-09 1:55 James Almer
2024-07-09 1:55 ` [FFmpeg-devel] [PATCH 2/2] avformat/movenc: support writing cropping values James Almer
2024-07-11 12:43 ` [FFmpeg-devel] [PATCH 1/2] avformat/mov: export cropping values from clap boxes James Almer
0 siblings, 2 replies; 3+ messages in thread
From: James Almer @ 2024-07-09 1:55 UTC (permalink / raw)
To: ffmpeg-devel
Addresses part of ticket #7437.
Signed-off-by: James Almer <jamrial@gmail.com>
---
libavformat/mov.c | 78 +++++++++++++++++++++++++
tests/ref/fate/aic | 32 +++++-----
tests/ref/fate/prores-transparency | 4 +-
tests/ref/fate/prores-transparency_skip | 4 +-
4 files changed, 98 insertions(+), 20 deletions(-)
diff --git a/libavformat/mov.c b/libavformat/mov.c
index d862434d25..0e290617ed 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -1208,6 +1208,83 @@ static int mov_read_wfex(MOVContext *c, AVIOContext *pb, MOVAtom atom)
return ret;
}
+static int mov_read_clap(MOVContext *c, AVIOContext *pb, MOVAtom atom)
+{
+ AVStream *st;
+ AVPacketSideData *sd;
+ AVRational aperture_width, aperture_height, horiz_off, vert_off;
+ AVRational pc_x, pc_y;
+ int top, bottom, left, right;
+
+ if (c->fc->nb_streams < 1)
+ return 0;
+ st = c->fc->streams[c->fc->nb_streams-1];
+
+ aperture_width.num = avio_rb32(pb);
+ aperture_width.den = avio_rb32(pb);
+ aperture_height.num = avio_rb32(pb);
+ aperture_height.den = avio_rb32(pb);
+
+ horiz_off.num = avio_rb32(pb);
+ horiz_off.den = avio_rb32(pb);
+ vert_off.num = avio_rb32(pb);
+ vert_off.den = avio_rb32(pb);
+
+ if (aperture_width.num < 0 || aperture_width.den < 0 ||
+ aperture_height.num < 0 || aperture_height.den < 0 ||
+ horiz_off.den < 0 || vert_off.den < 0 ||
+ av_q2d(aperture_width) > st->codecpar->width ||
+ av_q2d(aperture_height) > st->codecpar->height)
+ return AVERROR_INVALIDDATA;
+
+ av_log(c->fc, AV_LOG_TRACE, "clap: apertureWidth %d/%d, apertureHeight %d/%d "
+ "horizOff %d/%d vertOff %d/%d\n",
+ aperture_width.num, aperture_width.den, aperture_height.num, aperture_height.den,
+ horiz_off.num, horiz_off.den, vert_off.num, vert_off.den);
+
+ pc_x = av_mul_q((AVRational) { st->codecpar->width - 1, 1 }, (AVRational) { 1, 2 });
+ pc_x = av_add_q(pc_x, horiz_off);
+ pc_y = av_mul_q((AVRational) { st->codecpar->height - 1, 1 }, (AVRational) { 1, 2 });
+ pc_y = av_add_q(pc_y, vert_off);
+
+ aperture_width = av_sub_q(aperture_width, (AVRational) { 1, 1 });
+ aperture_width = av_mul_q(aperture_width, (AVRational) { 1, 2 });
+ aperture_height = av_sub_q(aperture_height, (AVRational) { 1, 1 });
+ aperture_height = av_mul_q(aperture_height, (AVRational) { 1, 2 });
+
+ left = av_q2d(av_sub_q(pc_x, aperture_width));
+ right = av_q2d(av_add_q(pc_x, aperture_width));
+ top = av_q2d(av_sub_q(pc_y, aperture_height));
+ bottom = av_q2d(av_add_q(pc_y, aperture_height));
+
+ if (top < 0 || bottom < 0 ||
+ left < 0 || right < 0 ||
+ bottom > (st->codecpar->height - 1) ||
+ right > (st->codecpar->width - 1))
+ return AVERROR_INVALIDDATA;
+
+ bottom = st->codecpar->height - 1 - bottom;
+ right = st->codecpar->width - 1 - right;
+
+ if ((left + right) >= st->codecpar->width ||
+ (top + bottom) >= st->codecpar->height)
+ return AVERROR_INVALIDDATA;
+
+ sd = av_packet_side_data_new(&st->codecpar->coded_side_data,
+ &st->codecpar->nb_coded_side_data,
+ AV_PKT_DATA_FRAME_CROPPING,
+ sizeof(uint32_t) * 4, 0);
+ if (!sd)
+ return AVERROR(ENOMEM);
+
+ AV_WL32(sd->data, top);
+ AV_WL32(sd->data + 4, bottom);
+ AV_WL32(sd->data + 8, left);
+ AV_WL32(sd->data + 12, right);
+
+ return 0;
+}
+
/* This atom overrides any previously set aspect ratio */
static int mov_read_pasp(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
@@ -8922,6 +8999,7 @@ static const MOVParseTableEntry mov_default_parse_table[] = {
{ MKTAG('a','l','a','c'), mov_read_alac }, /* alac specific atom */
{ MKTAG('a','v','c','C'), mov_read_glbl },
{ MKTAG('p','a','s','p'), mov_read_pasp },
+{ MKTAG('c','l','a','p'), mov_read_clap },
{ MKTAG('s','i','d','x'), mov_read_sidx },
{ MKTAG('s','t','b','l'), mov_read_default },
{ MKTAG('s','t','c','o'), mov_read_stco },
diff --git a/tests/ref/fate/aic b/tests/ref/fate/aic
index 244ea25967..30197129f7 100644
--- a/tests/ref/fate/aic
+++ b/tests/ref/fate/aic
@@ -1,20 +1,20 @@
#tb 0: 100/2997
#media_type 0: video
#codec_id 0: rawvideo
-#dimensions 0: 1440x1080
+#dimensions 0: 1416x1062
#sar 0: 4/3
-0, 0, 0, 1, 2332800, 0xc22b8485
-0, 1, 1, 1, 2332800, 0xc22b8485
-0, 2, 2, 1, 2332800, 0xe0c21bd8
-0, 3, 3, 1, 2332800, 0x3e1a8fa0
-0, 4, 4, 1, 2332800, 0xbcb3f235
-0, 5, 5, 1, 2332800, 0x1a7cabd6
-0, 6, 6, 1, 2332800, 0xc0136ba8
-0, 7, 7, 1, 2332800, 0x295e59a6
-0, 8, 8, 1, 2332800, 0xf9c09288
-0, 9, 9, 1, 2332800, 0x0518cc8f
-0, 10, 10, 1, 2332800, 0x9ad3068e
-0, 11, 11, 1, 2332800, 0x5a8b7af1
-0, 12, 12, 1, 2332800, 0x7b35a8fa
-0, 13, 13, 1, 2332800, 0xbe5801eb
-0, 14, 14, 1, 2332800, 0x31ca019f
+0, 0, 0, 1, 2255688, 0x48f3973d
+0, 1, 1, 1, 2255688, 0x48f3973d
+0, 2, 2, 1, 2255688, 0x8c9f3c83
+0, 3, 3, 1, 2255688, 0xb89c02e3
+0, 4, 4, 1, 2255688, 0x185b1a84
+0, 5, 5, 1, 2255688, 0x82167715
+0, 6, 6, 1, 2255688, 0xe675971e
+0, 7, 7, 1, 2255688, 0x623759db
+0, 8, 8, 1, 2255688, 0x910274ad
+0, 9, 9, 1, 2255688, 0x0eafce15
+0, 10, 10, 1, 2255688, 0x4457b006
+0, 11, 11, 1, 2255688, 0x48f70e0b
+0, 12, 12, 1, 2255688, 0xfd269c3d
+0, 13, 13, 1, 2255688, 0x4c6258ad
+0, 14, 14, 1, 2255688, 0xb131c4af
diff --git a/tests/ref/fate/prores-transparency b/tests/ref/fate/prores-transparency
index 246e0b26aa..a4452e7333 100644
--- a/tests/ref/fate/prores-transparency
+++ b/tests/ref/fate/prores-transparency
@@ -1,13 +1,13 @@
#tb 0: 1/25
#media_type 0: video
#codec_id 0: rawvideo
-#dimensions 0: 1920x1080
+#dimensions 0: 1888x1062
#sar 0: 1/1
#tb 1: 1/48000
#media_type 1: audio
#codec_id 1: pcm_s16le
#sample_rate 1: 48000
#channel_layout_name 1: stereo
-0, 0, 0, 1, 16588800, 0xcfb3d806
+0, 0, 0, 1, 16040448, 0x74480f47
1, 0, 0, 1024, 4096, 0x00000000
1, 1024, 1024, 896, 3584, 0x00000000
diff --git a/tests/ref/fate/prores-transparency_skip b/tests/ref/fate/prores-transparency_skip
index 3f5fa0a13f..3e99a3de94 100644
--- a/tests/ref/fate/prores-transparency_skip
+++ b/tests/ref/fate/prores-transparency_skip
@@ -1,13 +1,13 @@
#tb 0: 1/25
#media_type 0: video
#codec_id 0: rawvideo
-#dimensions 0: 1920x1080
+#dimensions 0: 1888x1062
#sar 0: 1/1
#tb 1: 1/48000
#media_type 1: audio
#codec_id 1: pcm_s16le
#sample_rate 1: 48000
#channel_layout_name 1: stereo
-0, 0, 0, 1, 12441600, 0x74f53304
+0, 0, 0, 1, 12030336, 0x088e6a36
1, 0, 0, 1024, 4096, 0x00000000
1, 1024, 1024, 896, 3584, 0x00000000
--
2.45.2
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^ permalink raw reply [flat|nested] 3+ messages in thread
* [FFmpeg-devel] [PATCH 2/2] avformat/movenc: support writing cropping values
2024-07-09 1:55 [FFmpeg-devel] [PATCH 1/2] avformat/mov: export cropping values from clap boxes James Almer
@ 2024-07-09 1:55 ` James Almer
2024-07-11 12:43 ` [FFmpeg-devel] [PATCH 1/2] avformat/mov: export cropping values from clap boxes James Almer
1 sibling, 0 replies; 3+ messages in thread
From: James Almer @ 2024-07-09 1:55 UTC (permalink / raw)
To: ffmpeg-devel
Finishes implementing ticket #7437.
Signed-off-by: James Almer <jamrial@gmail.com>
---
libavformat/movenc.c | 56 +++++++++++++++++++++++++++----------
tests/ref/fate/copy-trac236 | 16 +++++------
2 files changed, 50 insertions(+), 22 deletions(-)
diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index b5c02d2198..2bea55e33d 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -2351,18 +2351,31 @@ static int mov_write_dvcc_dvvc_tag(AVFormatContext *s, AVIOContext *pb, AVDOVIDe
return 32; /* 8 + 24 */
}
-static int mov_write_clap_tag(AVIOContext *pb, MOVTrack *track)
-{
+static int mov_write_clap_tag(AVIOContext *pb, MOVTrack *track,
+ uint32_t top, uint32_t bottom,
+ uint32_t left, uint32_t right)
+{
+ uint32_t cropped_width = track->par->width - left - right;
+ uint32_t cropped_height = track->height - top - bottom;
+ AVRational horizOff =
+ av_sub_q((AVRational) { track->par->width - cropped_width, 2 },
+ (AVRational) { left, 1 });
+ AVRational vertOff =
+ av_sub_q((AVRational) { track->height - cropped_height, 2 },
+ (AVRational) { top, 1 });
+
avio_wb32(pb, 40);
ffio_wfourcc(pb, "clap");
- avio_wb32(pb, track->par->width); /* apertureWidth_N */
- avio_wb32(pb, 1); /* apertureWidth_D (= 1) */
- avio_wb32(pb, track->height); /* apertureHeight_N */
- avio_wb32(pb, 1); /* apertureHeight_D (= 1) */
- avio_wb32(pb, 0); /* horizOff_N (= 0) */
- avio_wb32(pb, 1); /* horizOff_D (= 1) */
- avio_wb32(pb, 0); /* vertOff_N (= 0) */
- avio_wb32(pb, 1); /* vertOff_D (= 1) */
+ avio_wb32(pb, cropped_width); /* apertureWidthN */
+ avio_wb32(pb, 1); /* apertureWidthD */
+ avio_wb32(pb, cropped_height); /* apertureHeightN */
+ avio_wb32(pb, 1); /* apertureHeightD */
+
+ avio_wb32(pb, -horizOff.num);
+ avio_wb32(pb, horizOff.den);
+ avio_wb32(pb, -vertOff.num);
+ avio_wb32(pb, vertOff.den);
+
return 40;
}
@@ -2590,6 +2603,7 @@ static int mov_write_video_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContex
{
int ret = AVERROR_BUG;
int64_t pos = avio_tell(pb);
+ const AVPacketSideData *sd;
char compressor_name[32] = { 0 };
int avid = 0;
@@ -2763,7 +2777,6 @@ static int mov_write_video_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContex
if (track->mode == MODE_MOV || (track->mode == MODE_MP4 &&
mov->fc->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL)) {
- const AVPacketSideData *sd;
const AVStereo3D *stereo3d = NULL;
const AVSphericalMapping *spherical_mapping = NULL;
@@ -2800,9 +2813,24 @@ static int mov_write_video_tag(AVFormatContext *s, AVIOContext *pb, MOVMuxContex
mov_write_pasp_tag(pb, track);
}
- if (uncompressed_ycbcr){
- mov_write_clap_tag(pb, track);
- }
+ sd = av_packet_side_data_get(track->st->codecpar->coded_side_data,
+ track->st->codecpar->nb_coded_side_data,
+ AV_PKT_DATA_FRAME_CROPPING);
+ if (sd && sd->size >= sizeof(uint32_t) * 4) {
+ uint64_t top = AV_RL32(sd->data + 0);
+ uint64_t bottom = AV_RL32(sd->data + 4);
+ uint64_t left = AV_RL32(sd->data + 8);
+ uint64_t right = AV_RL32(sd->data + 12);
+
+ if ((left + right) >= track->par->width ||
+ (top + bottom) >= track->height) {
+ av_log(s, AV_LOG_ERROR, "Invalid cropping dimensions in stream side data\n");
+ return AVERROR(EINVAL);
+ }
+ if (top || bottom || left || right)
+ mov_write_clap_tag(pb, track, top, bottom, left, right);
+ } else if (uncompressed_ycbcr)
+ mov_write_clap_tag(pb, track, 0, 0, 0, 0);
if (mov->encryption_scheme != MOV_ENC_NONE) {
ff_mov_cenc_write_sinf_tag(track, pb, mov->encryption_kid);
diff --git a/tests/ref/fate/copy-trac236 b/tests/ref/fate/copy-trac236
index 5a9e08ad0c..c89649e953 100644
--- a/tests/ref/fate/copy-trac236
+++ b/tests/ref/fate/copy-trac236
@@ -1,24 +1,24 @@
-34b0ad38518b0eb8464aff04e6d0e143 *tests/data/fate/copy-trac236.mov
-630878 tests/data/fate/copy-trac236.mov
+ca4068319c6586de757c1f6a592b31e5 *tests/data/fate/copy-trac236.mov
+630918 tests/data/fate/copy-trac236.mov
#tb 0: 100/2997
#media_type 0: video
#codec_id 0: rawvideo
-#dimensions 0: 720x480
+#dimensions 0: 704x480
#sar 0: 10/11
#tb 1: 1/48000
#media_type 1: audio
#codec_id 1: pcm_s16le
#sample_rate 1: 48000
#channel_layout_name 1: stereo
-0, 0, 0, 1, 518400, 0x81ab2140
+0, 0, 0, 1, 506880, 0xc4d654e3
1, 0, 0, 1024, 4096, 0x67dc99a3
1, 1024, 1024, 1024, 4096, 0xf115a681
-0, 1, 1, 1, 518400, 0x81ab2140
+0, 1, 1, 1, 506880, 0xc4d654e3
1, 2048, 2048, 1024, 4096, 0xf455b597
1, 3072, 3072, 1024, 4096, 0x67dc99a3
-0, 2, 2, 1, 518400, 0x81ab2140
+0, 2, 2, 1, 506880, 0xc4d654e3
1, 4096, 4096, 1024, 4096, 0xf115a681
-0, 3, 3, 1, 518400, 0x81ab2140
+0, 3, 3, 1, 506880, 0xc4d654e3
1, 5120, 5120, 1024, 4096, 0xf455b597
1, 6144, 6144, 759, 3036, 0xa291a36d
-0, 4, 4, 1, 518400, 0x81ab2140
+0, 4, 4, 1, 506880, 0xc4d654e3
--
2.45.2
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [FFmpeg-devel] [PATCH 1/2] avformat/mov: export cropping values from clap boxes
2024-07-09 1:55 [FFmpeg-devel] [PATCH 1/2] avformat/mov: export cropping values from clap boxes James Almer
2024-07-09 1:55 ` [FFmpeg-devel] [PATCH 2/2] avformat/movenc: support writing cropping values James Almer
@ 2024-07-11 12:43 ` James Almer
1 sibling, 0 replies; 3+ messages in thread
From: James Almer @ 2024-07-11 12:43 UTC (permalink / raw)
To: ffmpeg-devel
On 7/8/2024 10:55 PM, James Almer wrote:
> Addresses part of ticket #7437.
>
> Signed-off-by: James Almer <jamrial@gmail.com>
> ---
> libavformat/mov.c | 78 +++++++++++++++++++++++++
> tests/ref/fate/aic | 32 +++++-----
> tests/ref/fate/prores-transparency | 4 +-
> tests/ref/fate/prores-transparency_skip | 4 +-
> 4 files changed, 98 insertions(+), 20 deletions(-)
Will apply set.
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https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2024-07-11 12:43 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
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2024-07-11 12:43 ` [FFmpeg-devel] [PATCH 1/2] avformat/mov: export cropping values from clap boxes James Almer
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