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| author |   Dafna Hirschfeld <dafna3@gmail.com> | 2019-02-15 15:58:53 -0500 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-02-18 15:36:23 -0500 |
| commit | 75e3e5b85da199e0c9a885c800933d74ee53ce3c (patch) | |
| tree | 8364593c90178e8e371af49102a7fdb8fecec2e5 /drivers/media | |
| parent | media: cedrus: mpeg2: Use v4l2_m2m_get_vq helper for capture queue (diff) | |
| download | linux-dev-75e3e5b85da199e0c9a885c800933d74ee53ce3c.tar.xz linux-dev-75e3e5b85da199e0c9a885c800933d74ee53ce3c.zip | |
media: vicodec: Add a flag for I-frames in fwht header
Add a flag 'FWHT_FL_I_FRAME' that indicates that
this is an I-frame. This requires incrementing
to version 3
This flag is needed for the upcoming stateless FWHT
decoder since it has to know if an encoded frame is
an I or a P frame.
Signed-off-by: Dafna Hirschfeld <dafna3@gmail.com>
[hverkuil-cisco@xs4all.nl: added the last paragraph of the commit msg]
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/platform/vicodec/codec-fwht.h | 3 | ||||
| -rw-r--r-- | drivers/media/platform/vicodec/codec-v4l2-fwht.c | 4 | ||||
| -rw-r--r-- | drivers/media/platform/vicodec/vicodec-core.c | 4 |
3 files changed, 7 insertions, 4 deletions
diff --git a/drivers/media/platform/vicodec/codec-fwht.h b/drivers/media/platform/vicodec/codec-fwht.h index 60d71d9dacb3..c410512d47c5 100644 --- a/drivers/media/platform/vicodec/codec-fwht.h +++ b/drivers/media/platform/vicodec/codec-fwht.h @@ -56,7 +56,7 @@ #define FWHT_MAGIC1 0x4f4f4f4f #define FWHT_MAGIC2 0xffffffff -#define FWHT_VERSION 2 +#define FWHT_VERSION 3 /* Set if this is an interlaced format */ #define FWHT_FL_IS_INTERLACED BIT(0) @@ -76,6 +76,7 @@ #define FWHT_FL_CHROMA_FULL_HEIGHT BIT(7) #define FWHT_FL_CHROMA_FULL_WIDTH BIT(8) #define FWHT_FL_ALPHA_IS_UNCOMPRESSED BIT(9) +#define FWHT_FL_I_FRAME BIT(10) /* A 4-values flag - the number of components - 1 */ #define FWHT_FL_COMPONENTS_NUM_MSK GENMASK(18, 16) diff --git a/drivers/media/platform/vicodec/codec-v4l2-fwht.c b/drivers/media/platform/vicodec/codec-v4l2-fwht.c index c15034849133..6573a471c5ca 100644 --- a/drivers/media/platform/vicodec/codec-v4l2-fwht.c +++ b/drivers/media/platform/vicodec/codec-v4l2-fwht.c @@ -218,6 +218,8 @@ int v4l2_fwht_encode(struct v4l2_fwht_state *state, u8 *p_in, u8 *p_out) flags |= FWHT_FL_CR_IS_UNCOMPRESSED; if (encoding & FWHT_ALPHA_UNENCODED) flags |= FWHT_FL_ALPHA_IS_UNCOMPRESSED; + if (!(encoding & FWHT_FRAME_PCODED)) + flags |= FWHT_FL_I_FRAME; if (rf.height_div == 1) flags |= FWHT_FL_CHROMA_FULL_HEIGHT; if (rf.width_div == 1) @@ -265,7 +267,7 @@ int v4l2_fwht_decode(struct v4l2_fwht_state *state, u8 *p_in, u8 *p_out) flags = ntohl(state->header.flags); - if (version == FWHT_VERSION) { + if (version >= 2) { if ((flags & FWHT_FL_PIXENC_MSK) != info->pixenc) return -EINVAL; components_num = 1 + ((flags & FWHT_FL_COMPONENTS_NUM_MSK) >> diff --git a/drivers/media/platform/vicodec/vicodec-core.c b/drivers/media/platform/vicodec/vicodec-core.c index 9d739ea5542d..d7636fe9e174 100644 --- a/drivers/media/platform/vicodec/vicodec-core.c +++ b/drivers/media/platform/vicodec/vicodec-core.c @@ -339,7 +339,7 @@ info_from_header(const struct fwht_cframe_hdr *p_hdr) unsigned int pixenc = 0; unsigned int version = ntohl(p_hdr->version); - if (version == FWHT_VERSION) { + if (version >= 2) { components_num = 1 + ((flags & FWHT_FL_COMPONENTS_NUM_MSK) >> FWHT_FL_COMPONENTS_NUM_OFFSET); pixenc = (flags & FWHT_FL_PIXENC_MSK); @@ -362,7 +362,7 @@ static bool is_header_valid(const struct fwht_cframe_hdr *p_hdr) if (w < MIN_WIDTH || w > MAX_WIDTH || h < MIN_HEIGHT || h > MAX_HEIGHT) return false; - if (version == FWHT_VERSION) { + if (version >= 2) { unsigned int components_num = 1 + ((flags & FWHT_FL_COMPONENTS_NUM_MSK) >> FWHT_FL_COMPONENTS_NUM_OFFSET); |