Tag: Branch: Tree: 3a5bcb1d13

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Commit Graph

5 Commits (3a5bcb1d1374f26e4c569ee9b9c62c27477c5e8a)

Author	SHA1	Message	Date
Aman Gupta	3a5bcb1d13	avcodec/v4l2_m2m: log requested pixel formats ... Signed-off-by: Aman Gupta <aman@tmm1.net>	5 years ago
Pavel Koshevoy	6b57a294a3	lavc/v4l2_m2m: don't close the file descriptor we don't own ... ff_v4l2_m2m_create_context initialized V4L2m2mContext.fd to 0 which is a valid file descriptor value. Next ff_v4l2_m2m_codec_init failed and v4l2_m2m_destroy_context closed file descriptor 0 even though it didn't belong to V4L2m2mContext. Signed-off-by: Pavel Koshevoy <pkoshevoy@gmail.com>	5 years ago
Mark Thompson	bda5ad305e	v4l2_m2m: Fix free of the wrong pointer in an error path ... Fixes CIDs #1427821 and #1427822.	7 years ago
Mark Thompson	a0c624e299	avcodec: v4l2_m2m: fix races around freeing data on close ... Refcount all of the context information. This also fixes a potential segmentation fault when accessing freed memory (buffer returned after the codec has been closed). Tested-by: Jorge Ramirez-Ortiz <jorge.ramirez.ortiz@gmail.com>	7 years ago
Jorge Ramirez-Ortiz	1ef7752d64	libavcodec: v4l2: add support for v4l2 mem2mem codecs ... This patchset enhances Alexis Ballier's original patch and validates it using Qualcomm's Venus hardware (driver recently landed upstream [1]). This has been tested on Qualcomm's DragonBoard 410c and 820c Configure/make scripts have been validated on Ubuntu 10.04 and 16.04. Tested decoders: - h264 - h263 - mpeg4 - vp8 - vp9 - hevc Tested encoders: - h264 - h263 - mpeg4 Tested transcoding (concurrent encoding/decoding) Some of the changes introduced: - v4l2: code cleanup and abstractions added - v4l2: follow the new encode/decode api. - v4l2: fix display size for NV12 output pool. - v4l2: handle EOS (EPIPE and draining) - v4l2: vp8 and mpeg4 decoding and encoding. - v4l2: hevc and vp9 support. - v4l2: generate EOF on dequeue errors. - v4l2: h264_mp4toannexb filtering. - v4l2: fixed make install and fate issues. - v4l2: codecs enabled/disabled depending on pixfmt defined - v4l2: pass timebase/framerate to the context - v4l2: runtime decoder reconfiguration. - v4l2: add more frame information - v4l2: free hardware resources on last reference being released - v4l2: encoding: disable b-frames for upstreaming (patch required) [1] https://lwn.net/Articles/697956/ System Level view: v42l_m2m_enc/dec --> v4l2_m2m --> v4l2_context --> v4l2_buffers Reviewed-by: Jorge Ramirez <jorge.ramirez-ortiz@linaro.org> Reviewed-by: Alexis Ballier <aballier@gentoo.org> Tested-by: Jorge Ramirez <jorge.ramirez-ortiz@linaro.org> Signed-off-by: wm4 <nfxjfg@googlemail.com>	7 years ago