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Date: Mon, 23 Jan 2023 14:46:01 -0500
From: Nicolas Dufresne <nicolas@...fresne.ca>
To: Ming Qian <ming.qian@....com>,
"mchehab@...nel.org" <mchehab@...nel.org>,
"hverkuil-cisco@...all.nl" <hverkuil-cisco@...all.nl>
Cc: "shawnguo@...nel.org" <shawnguo@...nel.org>,
"robh+dt@...nel.org" <robh+dt@...nel.org>,
"s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
"kernel@...gutronix.de" <kernel@...gutronix.de>,
"festevam@...il.com" <festevam@...il.com>,
dl-linux-imx <linux-imx@....com>,
"X.H. Bao" <xiahong.bao@....com>, Eagle Zhou <eagle.zhou@....com>,
Tao Jiang <tao.jiang_2@....com>,
"linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [EXT] Re: [PATCH v2 2/2] media: amphion: support to decode
sorenson spark video
Le vendredi 20 janvier 2023 à 09:59 +0000, Ming Qian a écrit :
> > From: Nicolas Dufresne <nicolas@...fresne.ca>
> > Sent: 2023年1月20日 4:41
> > To: Ming Qian <ming.qian@....com>; mchehab@...nel.org; hverkuil-
> > cisco@...all.nl
> > Cc: shawnguo@...nel.org; robh+dt@...nel.org; s.hauer@...gutronix.de;
> > kernel@...gutronix.de; festevam@...il.com; dl-linux-imx <linux-
> > imx@....com>; X.H. Bao <xiahong.bao@....com>; Eagle Zhou
> > <eagle.zhou@....com>; Tao Jiang <tao.jiang_2@....com>; linux-
> > media@...r.kernel.org; linux-kernel@...r.kernel.org; linux-arm-
> > kernel@...ts.infradead.org
> > Subject: [EXT] Re: [PATCH v2 2/2] media: amphion: support to decode
> > sorenson spark video
> >
> > Caution: EXT Email
> >
> > Le jeudi 12 janvier 2023 à 17:04 +0800, Ming Qian a écrit :
> > > Sorenson Spark is an implementation of H.263 for use in Flash Video
> > > and Adobe Flash files.
> > > amphion decoder can support it by insert some startcode before
> > > sequence and picture.
> >
> > Its historical codec, but I'm surprise it does not also support H263 (and
> > possibly H263+). Note a review comment of course, just a curiosity.
> >
>
> Hi Nicolas,
> The decoder does support H263, but for sorenson spark, the vpu requires
> extra startcode, but H263 doesn't.
> So driver can't reuse H263 for format spark, as driver need to insert the
> startcode for format spark.
Ack.
I noticed later that it was supported and it make sense to make this a specific
formats, its not compatible, even though both are H264.
>
> Ming
>
> > >
> > > Signed-off-by: Ming Qian <ming.qian@....com>
> > > ---
> > > drivers/media/platform/amphion/vdec.c | 7 +++++++
> > > drivers/media/platform/amphion/vpu_malone.c | 18 ++++++++++++++++++
> > > 2 files changed, 25 insertions(+)
> > >
> > > diff --git a/drivers/media/platform/amphion/vdec.c
> > > b/drivers/media/platform/amphion/vdec.c
> > > index 87f9f8e90ab1..09304b96f40d 100644
> > > --- a/drivers/media/platform/amphion/vdec.c
> > > +++ b/drivers/media/platform/amphion/vdec.c
> > > @@ -165,6 +165,13 @@ static const struct vpu_format vdec_formats[] = {
> > > .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
> > > .flags = V4L2_FMT_FLAG_DYN_RESOLUTION |
> > V4L2_FMT_FLAG_COMPRESSED
> > > },
> > > + {
> > > + .pixfmt = V4L2_PIX_FMT_SPK,
> > > + .mem_planes = 1,
> > > + .comp_planes = 1,
> > > + .type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
> > > + .flags = V4L2_FMT_FLAG_DYN_RESOLUTION |
> > V4L2_FMT_FLAG_COMPRESSED
> > > + },
> > > {0, 0, 0, 0},
> > > };
> > >
> > > diff --git a/drivers/media/platform/amphion/vpu_malone.c
> > > b/drivers/media/platform/amphion/vpu_malone.c
> > > index 2c9bfc6a5a72..67ba637c4c7f 100644
> > > --- a/drivers/media/platform/amphion/vpu_malone.c
> > > +++ b/drivers/media/platform/amphion/vpu_malone.c
> > > @@ -562,6 +562,7 @@ static struct malone_fmt_mapping fmt_mappings[] =
> > {
> > > {V4L2_PIX_FMT_H263, MALONE_FMT_ASP},
> > > {V4L2_PIX_FMT_JPEG, MALONE_FMT_JPG},
> > > {V4L2_PIX_FMT_VP8, MALONE_FMT_VP8},
> > > + {V4L2_PIX_FMT_SPK, MALONE_FMT_SPK},
> > > };
> > >
> > > static enum vpu_malone_format vpu_malone_format_remap(u32
> > > pixelformat) @@ -987,6 +988,7 @@ static const struct
> > malone_padding_scode padding_scodes[] = {
> > > {SCODE_PADDING_EOS, V4L2_PIX_FMT_XVID, {0xb1010000,
> > > 0x0}},
> > > {SCODE_PADDING_EOS, V4L2_PIX_FMT_H263, {0xb1010000,
> > > 0x0}},
> > > {SCODE_PADDING_EOS, V4L2_PIX_FMT_VP8, {0x34010000,
> > > 0x0}},
> > > + {SCODE_PADDING_EOS, V4L2_PIX_FMT_SPK, {0x34010000,
> > > 0x0}},
> > > {SCODE_PADDING_EOS, V4L2_PIX_FMT_JPEG, {0xefff0000,
> > > 0x0}},
> > > {SCODE_PADDING_ABORT, V4L2_PIX_FMT_H264, {0x0B010000, 0}},
> > > {SCODE_PADDING_ABORT, V4L2_PIX_FMT_H264_MVC, {0x0B010000,
> > 0}},
> > > @@ -998,6 +1000,7 @@ static const struct malone_padding_scode
> > padding_scodes[] = {
> > > {SCODE_PADDING_ABORT, V4L2_PIX_FMT_XVID, {0xb1010000,
> > 0x0}},
> > > {SCODE_PADDING_ABORT, V4L2_PIX_FMT_H263, {0xb1010000,
> > 0x0}},
> > > {SCODE_PADDING_ABORT, V4L2_PIX_FMT_VP8, {0x34010000,
> > 0x0}},
> > > + {SCODE_PADDING_ABORT, V4L2_PIX_FMT_SPK, {0x34010000,
> > 0x0}},
> > > {SCODE_PADDING_EOS, V4L2_PIX_FMT_JPEG, {0x0, 0x0}},
> > > {SCODE_PADDING_BUFFLUSH, V4L2_PIX_FMT_H264, {0x15010000,
> > 0x0}},
> > > {SCODE_PADDING_BUFFLUSH, V4L2_PIX_FMT_H264_MVC,
> > {0x15010000, 0x0}},
> > > @@ -1411,6 +1414,16 @@ static int
> > vpu_malone_insert_scode_vp8_pic(struct malone_scode_t *scode)
> > > return size;
> > > }
> > >
> > > +static int vpu_malone_insert_scode_spk_seq(struct malone_scode_t
> > > +*scode) {
> > > + return vpu_malone_insert_scode_seq(scode, MALONE_CODEC_ID_SPK,
> > > +0); }
> > > +
> > > +static int vpu_malone_insert_scode_spk_pic(struct malone_scode_t
> > > +*scode) {
> > > + return vpu_malone_insert_scode_pic(scode, MALONE_CODEC_ID_SPK,
> > > +0); }
> > > +
> > > static const struct malone_scode_handler scode_handlers[] = {
> > > {
> > > /* fix me, need to swap return operation after gstreamer
> > > swap */ @@ -1427,6 +1440,11 @@ static const struct
> > malone_scode_handler scode_handlers[] = {
> > > .insert_scode_seq = vpu_malone_insert_scode_vp8_seq,
> > > .insert_scode_pic = vpu_malone_insert_scode_vp8_pic,
> > > },
> > > + {
> > > + .pixelformat = V4L2_PIX_FMT_SPK,
> > > + .insert_scode_seq = vpu_malone_insert_scode_spk_seq,
> > > + .insert_scode_pic = vpu_malone_insert_scode_spk_pic,
> > > + },
> > > };
> > >
> > > static const struct malone_scode_handler *get_scode_handler(u32
> > > pixelformat)
>
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