Le jeudi 05 décembre 2019 à 16:49 +0100, Neil Armstrong a écrit : > On 05/12/2019 16:42, Nicolas Dufresne wrote: > > Hi Neil, > > > > Le jeudi 05 décembre 2019 à 10:24 +0100, Neil Armstrong a écrit : > > > Hello, > > > > > > This patchset aims to bring VP9 decoding support to Amlogic GXL, G12A & SM1 > > > platforms for the amlogic stateful video decoder driver. > > > > > > With this, it passes v4l2-compliance with streaming on Amlogic G12A and > > > Amlogic SM1 SoCs successfully using the stream at [1] with a fixed > > > pyv4l2compliance script for VP9 at [2]. > > > > > > The original script kept the IVF headers in the stream, confusing the > > > decoder. The fixed script only extracts the payload from the IVF container. > > > > > > The decoder has been tested using the Google CTS TestVectorsIttiam VP9 yuv420 > > > samples, passing 82 resolutions test streams, with 13 fails by pixel > > > differences and 3 timeouts. > > > > How do you handle resolution changes on delta frames ? It's a bit of a > > challenge since the reference frames are not at the same resolution as > > the frames to be decoded. This breaks the assumption for the resolution > > changes mechanism as described in the spec. > > I don't have a lot of experience on the subject, but in the vendor implementation, > they store the resolution along the reference frames and when loading all the > reference frames to the HW, the original resolution is also loaded. > But we don't handle it. > > > On stateless side, Boris is introducing DESTROY_BUFS, so we can free > > the references when they are not used anymore. But the reference are > > managed by userspace and are not queued. While on stateful side so far, > > it was assumed that references are queued, and the semantic of S_FMT is > > that it must apply to the entire set of queued buffer. > > yes > > > I think most streams will work and won't use this feature, but I'm > > worried that writing a compliant VP9 decoder is currently not possible. > > Indeed, but I don't have a clear enough view on the subject, and it doesn't seem > I have any test stream with such feature. https://www.webmproject.org/vp9/levels/ I believe in the performance suite, the FRM_RESIZE sample is what should exercise this. > > Neil > > > > This patchset depends on : > > > - G12A enablement at [3] > > > - SM1 enablement at [4] > > > - H.264 and compliance at [5] > > > > > > [1] https://github.com/superna9999/pyv4l2compliance/raw/tests/output/Jellyfish_1080_10s_5MB.vp9.hdr > > > [2] https://github.com/superna9999/pyv4l2compliance > > > [3] https://lore.kernel.org/linux-media/20191120111430.29552-1-narmstrong@baylibre.com > > > [4] https://lore.kernel.org/linux-media/20191121101429.23831-1-narmstrong@baylibre.com > > > [5] https://lore.kernel.org/linux-media/20191126093733.32404-1-narmstrong@baylibre.com > > > > > > The compliance log is: > > > # v4l2-compliance --stream-from-hdr Jellyfish_1080_10s_5MB.vp9.hdr -s 200 > > > v4l2-compliance SHA: 7ead0e1856b89f2e19369af452bb03fd0cd16793, 64 bits > > > > > > Compliance test for meson-vdec device /dev/video0: > > > > > > Driver Info: > > > Driver name : meson-vdec > > > Card type : Amlogic Video Decoder > > > Bus info : platform:meson-vdec > > > Driver version : 5.4.0 > > > Capabilities : 0x84204000 > > > Video Memory-to-Memory Multiplanar > > > Streaming > > > Extended Pix Format > > > Device Capabilities > > > Device Caps : 0x04204000 > > > Video Memory-to-Memory Multiplanar > > > Streaming > > > Extended Pix Format > > > Detected Stateful Decoder > > > > > > Required ioctls: > > > test VIDIOC_QUERYCAP: OK > > > > > > Allow for multiple opens: > > > test second /dev/video0 open: OK > > > test VIDIOC_QUERYCAP: OK > > > test VIDIOC_G/S_PRIORITY: OK > > > test for unlimited opens: OK > > > > > > Debug ioctls: > > > test VIDIOC_DBG_G/S_REGISTER: OK (Not Supported) > > > test VIDIOC_LOG_STATUS: OK (Not Supported) > > > > > > Input ioctls: > > > test VIDIOC_G/S_TUNER/ENUM_FREQ_BANDS: OK (Not Supported) > > > test VIDIOC_G/S_FREQUENCY: OK (Not Supported) > > > test VIDIOC_S_HW_FREQ_SEEK: OK (Not Supported) > > > test VIDIOC_ENUMAUDIO: OK (Not Supported) > > > test VIDIOC_G/S/ENUMINPUT: OK (Not Supported) > > > test VIDIOC_G/S_AUDIO: OK (Not Supported) > > > Inputs: 0 Audio Inputs: 0 Tuners: 0 > > > > > > Output ioctls: > > > test VIDIOC_G/S_MODULATOR: OK (Not Supported) > > > test VIDIOC_G/S_FREQUENCY: OK (Not Supported) > > > test VIDIOC_ENUMAUDOUT: OK (Not Supported) > > > test VIDIOC_G/S/ENUMOUTPUT: OK (Not Supported) > > > test VIDIOC_G/S_AUDOUT: OK (Not Supported) > > > Outputs: 0 Audio Outputs: 0 Modulators: 0 > > > > > > Input/Output configuration ioctls: > > > test VIDIOC_ENUM/G/S/QUERY_STD: OK (Not Supported) > > > test VIDIOC_ENUM/G/S/QUERY_DV_TIMINGS: OK (Not Supported) > > > test VIDIOC_DV_TIMINGS_CAP: OK (Not Supported) > > > test VIDIOC_G/S_EDID: OK (Not Supported) > > > > > > Control ioctls: > > > test VIDIOC_QUERY_EXT_CTRL/QUERYMENU: OK > > > test VIDIOC_QUERYCTRL: OK > > > test VIDIOC_G/S_CTRL: OK > > > test VIDIOC_G/S/TRY_EXT_CTRLS: OK > > > test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: OK > > > test VIDIOC_G/S_JPEGCOMP: OK (Not Supported) > > > Standard Controls: 2 Private Controls: 0 > > > > > > Format ioctls: > > > test VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: OK > > > test VIDIOC_G/S_PARM: OK (Not Supported) > > > test VIDIOC_G_FBUF: OK (Not Supported) > > > test VIDIOC_G_FMT: OK > > > test VIDIOC_TRY_FMT: OK > > > test VIDIOC_S_FMT: OK > > > test VIDIOC_G_SLICED_VBI_CAP: OK (Not Supported) > > > test Cropping: OK (Not Supported) > > > test Composing: OK (Not Supported) > > > test Scaling: OK (Not Supported) > > > > > > Codec ioctls: > > > test VIDIOC_(TRY_)ENCODER_CMD: OK (Not Supported) > > > test VIDIOC_G_ENC_INDEX: OK (Not Supported) > > > test VIDIOC_(TRY_)DECODER_CMD: OK > > > > > > Buffer ioctls: > > > test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK > > > test VIDIOC_EXPBUF: OK > > > test Requests: OK (Not Supported) > > > > > > Test input 0: > > > > > > Streaming ioctls: > > > test read/write: OK (Not Supported) > > > test blocking wait: OK > > > Video Capture Multiplanar: Captured 200 buffers > > > test MMAP (select): OK > > > Video Capture Multiplanar: Captured 200 buffers > > > test MMAP (epoll): OK > > > test USERPTR (select): OK (Not Supported) > > > test DMABUF: Cannot test, specify --expbuf-device > > > > > > Total for meson-vdec device /dev/video0: 49, Succeeded: 49, Failed: 0, Warnings: 0 > > > > > > Maxime Jourdan (4): > > > media: meson: vdec: add helpers for lossless framebuffer compression > > > buffers > > > media: meson: vdec: add common HEVC decoder support > > > media: meson: vdec: add VP9 input support > > > media: meson: vdec: add VP9 decoder support > > > > > > Neil Armstrong (1): > > > media: meson: vdec: align stride on 32 bytes > > > > > > drivers/staging/media/meson/vdec/Makefile | 4 +- > > > .../media/meson/vdec/codec_hevc_common.c | 285 ++++ > > > .../media/meson/vdec/codec_hevc_common.h | 77 ++ > > > drivers/staging/media/meson/vdec/codec_vp9.c | 1192 +++++++++++++++++ > > > drivers/staging/media/meson/vdec/codec_vp9.h | 13 + > > > drivers/staging/media/meson/vdec/esparser.c | 142 +- > > > drivers/staging/media/meson/vdec/hevc_regs.h | 218 +++ > > > drivers/staging/media/meson/vdec/vdec.c | 10 +- > > > .../staging/media/meson/vdec/vdec_helpers.c | 31 +- > > > .../staging/media/meson/vdec/vdec_helpers.h | 4 + > > > drivers/staging/media/meson/vdec/vdec_hevc.c | 231 ++++ > > > drivers/staging/media/meson/vdec/vdec_hevc.h | 13 + > > > .../staging/media/meson/vdec/vdec_platform.c | 38 + > > > 13 files changed, 2245 insertions(+), 13 deletions(-) > > > create mode 100644 drivers/staging/media/meson/vdec/codec_hevc_common.c > > > create mode 100644 drivers/staging/media/meson/vdec/codec_hevc_common.h > > > create mode 100644 drivers/staging/media/meson/vdec/codec_vp9.c > > > create mode 100644 drivers/staging/media/meson/vdec/codec_vp9.h > > > create mode 100644 drivers/staging/media/meson/vdec/hevc_regs.h > > > create mode 100644 drivers/staging/media/meson/vdec/vdec_hevc.c > > > create mode 100644 drivers/staging/media/meson/vdec/vdec_hevc.h > > > > >