Message ID | 20240722150523.149667-3-benjamin.gaignard@collabora.com (mailing list archive) |
---|---|
State | Superseded |
Headers |
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Series |
Enumerate all pixels formats
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Commit Message
Benjamin Gaignard
July 22, 2024, 3:05 p.m. UTC
Since V4L2_FMT_FLAG_ENUM_ALL flag mostly targeting stateless
decoder pixel formats enumeration, update vicodec visl test
drivers to use it.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
---
drivers/media/test-drivers/vicodec/vicodec-core.c | 7 ++++---
drivers/media/test-drivers/visl/visl-video.c | 11 +++++++----
2 files changed, 11 insertions(+), 7 deletions(-)
Comments
Hey Benjamin, On 22.07.2024 17:05, Benjamin Gaignard wrote: >Since V4L2_FMT_FLAG_ENUM_ALL flag mostly targeting stateless s/Since/Since the/ s/targeting/targets/ >decoder pixel formats enumeration, update vicodec visl test s/pixel formats/pixel-format/ >drivers to use it. s/drivers/driver/ The rest below basically just strips the flag from every use-case of the index, before using it. I wonder couldn't we implement a macro for this, as I believe this will have to be done in a lot of places, something like: /* * Drivers can support an enumeration of all formats, by ORing the * V4L2_FMT_FLAG_ENUM_ALL flag into the index field. * In order to use the index field, strip the flag first. * * See vidioc-enum-fmt.rst documentation for more details. */ #define STRIP_ENUM_ALL_FLAG(index) \ index & ~V4L2_FMT_FLAG_ENUM_ALL And then use it like this: u32 index = STRIP_ENUM_ALL_FLAG(f->index); If we define this in a common header, then every driver can easily utilize it and you have built-in documentation. What do you think? Regards, Sebastian > >Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> >--- > drivers/media/test-drivers/vicodec/vicodec-core.c | 7 ++++--- > drivers/media/test-drivers/visl/visl-video.c | 11 +++++++---- > 2 files changed, 11 insertions(+), 7 deletions(-) > >diff --git a/drivers/media/test-drivers/vicodec/vicodec-core.c b/drivers/media/test-drivers/vicodec/vicodec-core.c >index 3e011fe62ae1..1b4cd8ddd7c2 100644 >--- a/drivers/media/test-drivers/vicodec/vicodec-core.c >+++ b/drivers/media/test-drivers/vicodec/vicodec-core.c >@@ -706,6 +706,7 @@ static int enum_fmt(struct v4l2_fmtdesc *f, struct vicodec_ctx *ctx, > bool is_out) > { > bool is_uncomp = (ctx->is_enc && is_out) || (!ctx->is_enc && !is_out); >+ u32 index = f->index & ~V4L2_FMT_FLAG_ENUM_ALL; > > if (V4L2_TYPE_IS_MULTIPLANAR(f->type) && !multiplanar) > return -EINVAL; >@@ -718,18 +719,18 @@ static int enum_fmt(struct v4l2_fmtdesc *f, struct vicodec_ctx *ctx, > > if (ctx->is_enc || > !vb2_is_streaming(&ctx->fh.m2m_ctx->cap_q_ctx.q)) >- info = v4l2_fwht_get_pixfmt(f->index); >+ info = v4l2_fwht_get_pixfmt(index); > else > info = v4l2_fwht_find_nth_fmt(info->width_div, > info->height_div, > info->components_num, > info->pixenc, >- f->index); >+ index); > if (!info) > return -EINVAL; > f->pixelformat = info->id; > } else { >- if (f->index) >+ if (index) > return -EINVAL; > f->pixelformat = ctx->is_stateless ? > V4L2_PIX_FMT_FWHT_STATELESS : V4L2_PIX_FMT_FWHT; >diff --git a/drivers/media/test-drivers/visl/visl-video.c b/drivers/media/test-drivers/visl/visl-video.c >index f8d970319764..c5f3e13b4198 100644 >--- a/drivers/media/test-drivers/visl/visl-video.c >+++ b/drivers/media/test-drivers/visl/visl-video.c >@@ -341,21 +341,24 @@ static int visl_enum_fmt_vid_cap(struct file *file, void *priv, > struct v4l2_fmtdesc *f) > { > struct visl_ctx *ctx = visl_file_to_ctx(file); >+ u32 index = f->index & ~V4L2_FMT_FLAG_ENUM_ALL; > >- if (f->index >= ctx->coded_format_desc->num_decoded_fmts) >+ if (index >= ctx->coded_format_desc->num_decoded_fmts) > return -EINVAL; > >- f->pixelformat = ctx->coded_format_desc->decoded_fmts[f->index]; >+ f->pixelformat = ctx->coded_format_desc->decoded_fmts[index]; > return 0; > } > > static int visl_enum_fmt_vid_out(struct file *file, void *priv, > struct v4l2_fmtdesc *f) > { >- if (f->index >= ARRAY_SIZE(visl_coded_fmts)) >+ u32 index = f->index & ~V4L2_FMT_FLAG_ENUM_ALL; >+ >+ if (index >= ARRAY_SIZE(visl_coded_fmts)) > return -EINVAL; > >- f->pixelformat = visl_coded_fmts[f->index].pixelformat; >+ f->pixelformat = visl_coded_fmts[index].pixelformat; > return 0; > } > >-- >2.43.0 > >_______________________________________________ >Kernel mailing list -- kernel@mailman.collabora.com >To unsubscribe send an email to kernel-leave@mailman.collabora.com >This list is managed by https://mailman.collabora.com
On 22/07/2024 17:05, Benjamin Gaignard wrote: > Since V4L2_FMT_FLAG_ENUM_ALL flag mostly targeting stateless > decoder pixel formats enumeration, update vicodec visl test > drivers to use it. > > Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> > --- > drivers/media/test-drivers/vicodec/vicodec-core.c | 7 ++++--- > drivers/media/test-drivers/visl/visl-video.c | 11 +++++++---- > 2 files changed, 11 insertions(+), 7 deletions(-) > > diff --git a/drivers/media/test-drivers/vicodec/vicodec-core.c b/drivers/media/test-drivers/vicodec/vicodec-core.c > index 3e011fe62ae1..1b4cd8ddd7c2 100644 > --- a/drivers/media/test-drivers/vicodec/vicodec-core.c > +++ b/drivers/media/test-drivers/vicodec/vicodec-core.c > @@ -706,6 +706,7 @@ static int enum_fmt(struct v4l2_fmtdesc *f, struct vicodec_ctx *ctx, > bool is_out) > { > bool is_uncomp = (ctx->is_enc && is_out) || (!ctx->is_enc && !is_out); > + u32 index = f->index & ~V4L2_FMT_FLAG_ENUM_ALL; This is not what I am looking for: to properly test this in v4l2-compliance this flag actually has to make a difference in the result. I.e. you actually have to add some limitation. This might be easier to do in visl than vicodec. As long as at least one test-driver support this, then that's good enough for me. Regards, Hans > > if (V4L2_TYPE_IS_MULTIPLANAR(f->type) && !multiplanar) > return -EINVAL; > @@ -718,18 +719,18 @@ static int enum_fmt(struct v4l2_fmtdesc *f, struct vicodec_ctx *ctx, > > if (ctx->is_enc || > !vb2_is_streaming(&ctx->fh.m2m_ctx->cap_q_ctx.q)) > - info = v4l2_fwht_get_pixfmt(f->index); > + info = v4l2_fwht_get_pixfmt(index); > else > info = v4l2_fwht_find_nth_fmt(info->width_div, > info->height_div, > info->components_num, > info->pixenc, > - f->index); > + index); > if (!info) > return -EINVAL; > f->pixelformat = info->id; > } else { > - if (f->index) > + if (index) > return -EINVAL; > f->pixelformat = ctx->is_stateless ? > V4L2_PIX_FMT_FWHT_STATELESS : V4L2_PIX_FMT_FWHT; > diff --git a/drivers/media/test-drivers/visl/visl-video.c b/drivers/media/test-drivers/visl/visl-video.c > index f8d970319764..c5f3e13b4198 100644 > --- a/drivers/media/test-drivers/visl/visl-video.c > +++ b/drivers/media/test-drivers/visl/visl-video.c > @@ -341,21 +341,24 @@ static int visl_enum_fmt_vid_cap(struct file *file, void *priv, > struct v4l2_fmtdesc *f) > { > struct visl_ctx *ctx = visl_file_to_ctx(file); > + u32 index = f->index & ~V4L2_FMT_FLAG_ENUM_ALL; > > - if (f->index >= ctx->coded_format_desc->num_decoded_fmts) > + if (index >= ctx->coded_format_desc->num_decoded_fmts) > return -EINVAL; > > - f->pixelformat = ctx->coded_format_desc->decoded_fmts[f->index]; > + f->pixelformat = ctx->coded_format_desc->decoded_fmts[index]; > return 0; > } > > static int visl_enum_fmt_vid_out(struct file *file, void *priv, > struct v4l2_fmtdesc *f) > { > - if (f->index >= ARRAY_SIZE(visl_coded_fmts)) > + u32 index = f->index & ~V4L2_FMT_FLAG_ENUM_ALL; > + > + if (index >= ARRAY_SIZE(visl_coded_fmts)) > return -EINVAL; > > - f->pixelformat = visl_coded_fmts[f->index].pixelformat; > + f->pixelformat = visl_coded_fmts[index].pixelformat; > return 0; > } >
On 23/07/2024 11:49, Sebastian Fricke wrote: > Hey Benjamin, > > On 22.07.2024 17:05, Benjamin Gaignard wrote: >> Since V4L2_FMT_FLAG_ENUM_ALL flag mostly targeting stateless > > s/Since/Since the/ > s/targeting/targets/ > >> decoder pixel formats enumeration, update vicodec visl test > > s/pixel formats/pixel-format/ > >> drivers to use it. > > s/drivers/driver/ > > The rest below basically just strips the flag from every use-case of the > index, before using it. > > I wonder couldn't we implement a macro for this, as I believe this will > have to be done in a lot of places, something like: > > /* > * Drivers can support an enumeration of all formats, by ORing the > * V4L2_FMT_FLAG_ENUM_ALL flag into the index field. > * In order to use the index field, strip the flag first. > * > * See vidioc-enum-fmt.rst documentation for more details. > */ > #define STRIP_ENUM_ALL_FLAG(index) \ > index & ~V4L2_FMT_FLAG_ENUM_ALL > > And then use it like this: > > u32 index = STRIP_ENUM_ALL_FLAG(f->index); There is really no advantage to that. It is much better to be explicit about it rather than hiding it in a define. Regards, Hans > > If we define this in a common header, then every driver can easily > utilize it and you have built-in documentation. > > What do you think? > > Regards, > Sebastian > >> >> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> >> --- >> drivers/media/test-drivers/vicodec/vicodec-core.c | 7 ++++--- >> drivers/media/test-drivers/visl/visl-video.c | 11 +++++++---- >> 2 files changed, 11 insertions(+), 7 deletions(-) >> >> diff --git a/drivers/media/test-drivers/vicodec/vicodec-core.c b/drivers/media/test-drivers/vicodec/vicodec-core.c >> index 3e011fe62ae1..1b4cd8ddd7c2 100644 >> --- a/drivers/media/test-drivers/vicodec/vicodec-core.c >> +++ b/drivers/media/test-drivers/vicodec/vicodec-core.c >> @@ -706,6 +706,7 @@ static int enum_fmt(struct v4l2_fmtdesc *f, struct vicodec_ctx *ctx, >> bool is_out) >> { >> bool is_uncomp = (ctx->is_enc && is_out) || (!ctx->is_enc && !is_out); >> + u32 index = f->index & ~V4L2_FMT_FLAG_ENUM_ALL; >> >> if (V4L2_TYPE_IS_MULTIPLANAR(f->type) && !multiplanar) >> return -EINVAL; >> @@ -718,18 +719,18 @@ static int enum_fmt(struct v4l2_fmtdesc *f, struct vicodec_ctx *ctx, >> >> if (ctx->is_enc || >> !vb2_is_streaming(&ctx->fh.m2m_ctx->cap_q_ctx.q)) >> - info = v4l2_fwht_get_pixfmt(f->index); >> + info = v4l2_fwht_get_pixfmt(index); >> else >> info = v4l2_fwht_find_nth_fmt(info->width_div, >> info->height_div, >> info->components_num, >> info->pixenc, >> - f->index); >> + index); >> if (!info) >> return -EINVAL; >> f->pixelformat = info->id; >> } else { >> - if (f->index) >> + if (index) >> return -EINVAL; >> f->pixelformat = ctx->is_stateless ? >> V4L2_PIX_FMT_FWHT_STATELESS : V4L2_PIX_FMT_FWHT; >> diff --git a/drivers/media/test-drivers/visl/visl-video.c b/drivers/media/test-drivers/visl/visl-video.c >> index f8d970319764..c5f3e13b4198 100644 >> --- a/drivers/media/test-drivers/visl/visl-video.c >> +++ b/drivers/media/test-drivers/visl/visl-video.c >> @@ -341,21 +341,24 @@ static int visl_enum_fmt_vid_cap(struct file *file, void *priv, >> struct v4l2_fmtdesc *f) >> { >> struct visl_ctx *ctx = visl_file_to_ctx(file); >> + u32 index = f->index & ~V4L2_FMT_FLAG_ENUM_ALL; >> >> - if (f->index >= ctx->coded_format_desc->num_decoded_fmts) >> + if (index >= ctx->coded_format_desc->num_decoded_fmts) >> return -EINVAL; >> >> - f->pixelformat = ctx->coded_format_desc->decoded_fmts[f->index]; >> + f->pixelformat = ctx->coded_format_desc->decoded_fmts[index]; >> return 0; >> } >> >> static int visl_enum_fmt_vid_out(struct file *file, void *priv, >> struct v4l2_fmtdesc *f) >> { >> - if (f->index >= ARRAY_SIZE(visl_coded_fmts)) >> + u32 index = f->index & ~V4L2_FMT_FLAG_ENUM_ALL; >> + >> + if (index >= ARRAY_SIZE(visl_coded_fmts)) >> return -EINVAL; >> >> - f->pixelformat = visl_coded_fmts[f->index].pixelformat; >> + f->pixelformat = visl_coded_fmts[index].pixelformat; >> return 0; >> } >> >> -- >> 2.43.0 >> >> _______________________________________________ >> Kernel mailing list -- kernel@mailman.collabora.com >> To unsubscribe send an email to kernel-leave@mailman.collabora.com >> This list is managed by https://mailman.collabora.com >
Le 30/07/2024 à 09:13, Hans Verkuil a écrit : > On 22/07/2024 17:05, Benjamin Gaignard wrote: >> Since V4L2_FMT_FLAG_ENUM_ALL flag mostly targeting stateless >> decoder pixel formats enumeration, update vicodec visl test >> drivers to use it. >> >> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> >> --- >> drivers/media/test-drivers/vicodec/vicodec-core.c | 7 ++++--- >> drivers/media/test-drivers/visl/visl-video.c | 11 +++++++---- >> 2 files changed, 11 insertions(+), 7 deletions(-) >> >> diff --git a/drivers/media/test-drivers/vicodec/vicodec-core.c b/drivers/media/test-drivers/vicodec/vicodec-core.c >> index 3e011fe62ae1..1b4cd8ddd7c2 100644 >> --- a/drivers/media/test-drivers/vicodec/vicodec-core.c >> +++ b/drivers/media/test-drivers/vicodec/vicodec-core.c >> @@ -706,6 +706,7 @@ static int enum_fmt(struct v4l2_fmtdesc *f, struct vicodec_ctx *ctx, >> bool is_out) >> { >> bool is_uncomp = (ctx->is_enc && is_out) || (!ctx->is_enc && !is_out); >> + u32 index = f->index & ~V4L2_FMT_FLAG_ENUM_ALL; > This is not what I am looking for: to properly test this in v4l2-compliance this > flag actually has to make a difference in the result. I.e. you actually have to > add some limitation. This might be easier to do in visl than vicodec. As long as > at least one test-driver support this, then that's good enough for me. Ok I will focus on visl and made it return another list of formats when the flag is set. Regards, Benjamin > Regards, > > Hans > >> >> if (V4L2_TYPE_IS_MULTIPLANAR(f->type) && !multiplanar) >> return -EINVAL; >> @@ -718,18 +719,18 @@ static int enum_fmt(struct v4l2_fmtdesc *f, struct vicodec_ctx *ctx, >> >> if (ctx->is_enc || >> !vb2_is_streaming(&ctx->fh.m2m_ctx->cap_q_ctx.q)) >> - info = v4l2_fwht_get_pixfmt(f->index); >> + info = v4l2_fwht_get_pixfmt(index); >> else >> info = v4l2_fwht_find_nth_fmt(info->width_div, >> info->height_div, >> info->components_num, >> info->pixenc, >> - f->index); >> + index); >> if (!info) >> return -EINVAL; >> f->pixelformat = info->id; >> } else { >> - if (f->index) >> + if (index) >> return -EINVAL; >> f->pixelformat = ctx->is_stateless ? >> V4L2_PIX_FMT_FWHT_STATELESS : V4L2_PIX_FMT_FWHT; >> diff --git a/drivers/media/test-drivers/visl/visl-video.c b/drivers/media/test-drivers/visl/visl-video.c >> index f8d970319764..c5f3e13b4198 100644 >> --- a/drivers/media/test-drivers/visl/visl-video.c >> +++ b/drivers/media/test-drivers/visl/visl-video.c >> @@ -341,21 +341,24 @@ static int visl_enum_fmt_vid_cap(struct file *file, void *priv, >> struct v4l2_fmtdesc *f) >> { >> struct visl_ctx *ctx = visl_file_to_ctx(file); >> + u32 index = f->index & ~V4L2_FMT_FLAG_ENUM_ALL; >> >> - if (f->index >= ctx->coded_format_desc->num_decoded_fmts) >> + if (index >= ctx->coded_format_desc->num_decoded_fmts) >> return -EINVAL; >> >> - f->pixelformat = ctx->coded_format_desc->decoded_fmts[f->index]; >> + f->pixelformat = ctx->coded_format_desc->decoded_fmts[index]; >> return 0; >> } >> >> static int visl_enum_fmt_vid_out(struct file *file, void *priv, >> struct v4l2_fmtdesc *f) >> { >> - if (f->index >= ARRAY_SIZE(visl_coded_fmts)) >> + u32 index = f->index & ~V4L2_FMT_FLAG_ENUM_ALL; >> + >> + if (index >= ARRAY_SIZE(visl_coded_fmts)) >> return -EINVAL; >> >> - f->pixelformat = visl_coded_fmts[f->index].pixelformat; >> + f->pixelformat = visl_coded_fmts[index].pixelformat; >> return 0; >> } >> >
diff --git a/drivers/media/test-drivers/vicodec/vicodec-core.c b/drivers/media/test-drivers/vicodec/vicodec-core.c index 3e011fe62ae1..1b4cd8ddd7c2 100644 --- a/drivers/media/test-drivers/vicodec/vicodec-core.c +++ b/drivers/media/test-drivers/vicodec/vicodec-core.c @@ -706,6 +706,7 @@ static int enum_fmt(struct v4l2_fmtdesc *f, struct vicodec_ctx *ctx, bool is_out) { bool is_uncomp = (ctx->is_enc && is_out) || (!ctx->is_enc && !is_out); + u32 index = f->index & ~V4L2_FMT_FLAG_ENUM_ALL; if (V4L2_TYPE_IS_MULTIPLANAR(f->type) && !multiplanar) return -EINVAL; @@ -718,18 +719,18 @@ static int enum_fmt(struct v4l2_fmtdesc *f, struct vicodec_ctx *ctx, if (ctx->is_enc || !vb2_is_streaming(&ctx->fh.m2m_ctx->cap_q_ctx.q)) - info = v4l2_fwht_get_pixfmt(f->index); + info = v4l2_fwht_get_pixfmt(index); else info = v4l2_fwht_find_nth_fmt(info->width_div, info->height_div, info->components_num, info->pixenc, - f->index); + index); if (!info) return -EINVAL; f->pixelformat = info->id; } else { - if (f->index) + if (index) return -EINVAL; f->pixelformat = ctx->is_stateless ? V4L2_PIX_FMT_FWHT_STATELESS : V4L2_PIX_FMT_FWHT; diff --git a/drivers/media/test-drivers/visl/visl-video.c b/drivers/media/test-drivers/visl/visl-video.c index f8d970319764..c5f3e13b4198 100644 --- a/drivers/media/test-drivers/visl/visl-video.c +++ b/drivers/media/test-drivers/visl/visl-video.c @@ -341,21 +341,24 @@ static int visl_enum_fmt_vid_cap(struct file *file, void *priv, struct v4l2_fmtdesc *f) { struct visl_ctx *ctx = visl_file_to_ctx(file); + u32 index = f->index & ~V4L2_FMT_FLAG_ENUM_ALL; - if (f->index >= ctx->coded_format_desc->num_decoded_fmts) + if (index >= ctx->coded_format_desc->num_decoded_fmts) return -EINVAL; - f->pixelformat = ctx->coded_format_desc->decoded_fmts[f->index]; + f->pixelformat = ctx->coded_format_desc->decoded_fmts[index]; return 0; } static int visl_enum_fmt_vid_out(struct file *file, void *priv, struct v4l2_fmtdesc *f) { - if (f->index >= ARRAY_SIZE(visl_coded_fmts)) + u32 index = f->index & ~V4L2_FMT_FLAG_ENUM_ALL; + + if (index >= ARRAY_SIZE(visl_coded_fmts)) return -EINVAL; - f->pixelformat = visl_coded_fmts[f->index].pixelformat; + f->pixelformat = visl_coded_fmts[index].pixelformat; return 0; }