Hello, This patch series aims to bring H.264 support as well as compliance update to the amlogic stateful video decoder driver. The issue in the V1 patchset at [1] is solved by patch #1 following comments and requirements from hans. It moves the full draining & stopped state tracking and handling from vicodec to core v4l2-mem2mem. With this, it passes v4l2-compliance with streaming on Amlogic G12A and Amlogic SM1 SoCs successfully. This patchset depends on G12A and SM1 enablement series at [2] and [3]. The compliance log is: # v4l2-compliance --stream-from-hdr test-25fps.h264.hdr -s v4l2-compliance SHA: 7ead0e1856b89f2e19369af452bb03fd0cd16793, 64 bits Compliance test for vicodec device /dev/video0: Driver Info: Driver name : vicodec Card type : vicodec Bus info : platform:vicodec Driver version : 5.5.0 Capabilities : 0x84208000 Video Memory-to-Memory Streaming Extended Pix Format Device Capabilities Device Caps : 0x04208000 Video Memory-to-Memory Streaming Extended Pix Format Detected Stateful Encoder Media Driver Info: Driver name : vicodec Model : vicodec Serial : Bus info : platform:vicodec Media version : 5.5.0 Hardware revision: 0x00000000 (0) Driver version : 5.5.0 Interface Info: ID : 0x0300000c Type : V4L Video Entity Info: ID : 0x00000001 (1) Name : stateful-encoder-source Function : V4L2 I/O Pad 0x01000002 : 0: Source Link 0x02000008: to remote pad 0x1000005 of entity 'stateful-encoder-proc': Data, Enabled, Immutable Required ioctls: test MC information (see 'Media Driver Info' above): OK 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: 6 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 test Composing: OK (Not Supported) test Scaling: OK (Not Supported) Codec ioctls: test VIDIOC_(TRY_)ENCODER_CMD: OK test VIDIOC_G_ENC_INDEX: OK (Not Supported) test VIDIOC_(TRY_)DECODER_CMD: OK (Not Supported) 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: Captured 60 buffers test MMAP (select): OK Video Capture: Captured 60 buffers test MMAP (epoll): OK Video Capture: Captured 60 buffers test USERPTR (select): OK test DMABUF: Cannot test, specify --expbuf-device Total for vicodec device /dev/video0: 50, Succeeded: 50, Failed: 0, Warnings: 0 Changes since v2 at [4]: - Move full draining & stopped state tracking into core v4l2-mem2mem - Adapt vicodec to use the core v4l2-mem2mem draining & stopped state tracking Changes since v1 at [1]: - fixed output_size is never used reported by hans - rebased on G12A and SM1 patches - added handling of qbuf after STREAMON and STOP before enought buffer queued [1] https://lore.kernel.org/linux-media/20191007145909.29979-1-mjourdan@xxxxxxxxxxxx [2] https://lore.kernel.org/linux-media/20191205153408.26500-1-narmstrong@xxxxxxxxxxxx [3] https://lore.kernel.org/linux-media/20191121101429.23831-1-narmstrong@xxxxxxxxxxxx [4] https://lore.kernel.org/linux-media/20191126093733.32404-1-narmstrong@xxxxxxxxxxxx Maxime Jourdan (2): media: meson: vdec: bring up to compliance media: meson: vdec: add H.264 decoding support Neil Armstrong (2): media: v4l2-mem2mem: handle draining, stopped and next-buf-is-last states media: vicodec: use v4l2-mem2mem draining, stopped and next-buf-is-last states handling drivers/media/platform/vicodec/vicodec-core.c | 154 ++---- drivers/media/v4l2-core/v4l2-mem2mem.c | 174 ++++++- drivers/staging/media/meson/vdec/Makefile | 2 +- drivers/staging/media/meson/vdec/codec_h264.c | 482 ++++++++++++++++++ drivers/staging/media/meson/vdec/codec_h264.h | 14 + drivers/staging/media/meson/vdec/esparser.c | 58 +-- drivers/staging/media/meson/vdec/vdec.c | 92 ++-- drivers/staging/media/meson/vdec/vdec.h | 14 +- .../staging/media/meson/vdec/vdec_helpers.c | 85 ++- .../staging/media/meson/vdec/vdec_helpers.h | 6 +- .../staging/media/meson/vdec/vdec_platform.c | 71 +++ include/media/v4l2-mem2mem.h | 87 ++++ 12 files changed, 1009 insertions(+), 230 deletions(-) create mode 100644 drivers/staging/media/meson/vdec/codec_h264.c create mode 100644 drivers/staging/media/meson/vdec/codec_h264.h -- 2.22.0