Message ID | 6481e1f6-0cbd-0a7f-6780-ec15821e42b1@gmail.com |
---|---|
State | Accepted |
Commit | 1a79b8f8d2b5d26c60c237d6e585873238e46914 |
Headers | show |
On 09/01/17 05:58, Huang, Zhengxu wrote: > 在 2017/1/8 7:36, Mark Thompson 写道: >> On 06/01/17 06:37, Huang, Zhengxu wrote: >>> Hi >>> >>> According to the suggestion update the patch. >>> >>> thanks. >>> >>> >>> From 4beadd3c84c797a56c4f375458d0a1e9d9b233c8 Mon Sep 17 00:00:00 2001 >>> From: Zhengxu <zhengxu.maxwell@gmail.com> >>> Date: Thu, 5 Jan 2017 14:48:06 +0800 >>> Subject: [PATCH] ffmpeg_qsv: Add an option "qsv_child_device" to choose an >>> proper node for QSV child device(vaapi or dxva2). >>> >>> Reason: For some cases, such as 2 or more graphics card existing, the >>> default command line may fail because ffmpeg open a wrong device node: >>> ffmpeg -hwaccel qsv -c:v h264_qsv -i test.264 -c:v h264_qsv out.264 >>> Let user to choose the proper one by running like below: >>> ffmpeg -hwaccel qsv -qsv_child_device /dev/dri/renderD128 -c:v h264_qsv \ >>> -i test.264 -c:v h264_qsv out.264 >> I think it should just be "qsv_device". It is the device being used by qsv, the fact that it is a child device of another kind (dxva or vaapi) wrapped inside the hwcontext infrastructure isn't really relevant to the ffmpeg utility. >> >>> Signed-off-by: ChaoX A Liu <chaox.a.liu@gmail.com> >>> Signed-off-by: Huang, Zhengxu <zhengxu.maxwell@gmail.com> >>> Signed-off-by: Andrew, Zhang <huazh407@gmail.com> >>> --- >>> ffmpeg.h | 3 +++ >>> ffmpeg_opt.c | 5 +++++ >>> ffmpeg_qsv.c | 11 ++++++++++- >>> 3 files changed, 18 insertions(+), 1 deletion(-) >>> >>> diff --git a/ffmpeg.h b/ffmpeg.h >>> index ebe5bf0..91a3333 100644 >>> --- a/ffmpeg.h >>> +++ b/ffmpeg.h >>> @@ -602,6 +602,9 @@ extern const OptionDef options[]; >>> extern const HWAccel hwaccels[]; >>> extern int hwaccel_lax_profile_check; >>> extern AVBufferRef *hw_device_ctx; >>> +#if CONFIG_QSV >>> +extern char *qsv_child_device; >>> +#endif >>> void term_init(void); >>> diff --git a/ffmpeg_opt.c b/ffmpeg_opt.c >>> index 6862456..7fd08a2 100644 >>> --- a/ffmpeg_opt.c >>> +++ b/ffmpeg_opt.c >>> @@ -3679,5 +3679,10 @@ const OptionDef options[] = { >>> "set VAAPI hardware device (DRM path or X11 display name)", "device" }, >>> #endif >>> +#if CONFIG_QSV >>> + { "qsv_child_device", HAS_ARG | OPT_STRING | OPT_EXPERT, { &qsv_child_device }, >>> + "set QSV child device (DRM path or DXVA)", "device"}, >> An X11 display will still work here. Also, maybe clarify that the DXVA case is a DirectX adapter index? >> >> "set QSV hardware device (DirectX adapter index, DRM path or X11 display name)", say. >> >>> +#endif >>> + >>> { NULL, }, >>> }; >>> diff --git a/ffmpeg_qsv.c b/ffmpeg_qsv.c >>> index 68ff5bd..5a6db20 100644 >>> --- a/ffmpeg_qsv.c >>> +++ b/ffmpeg_qsv.c >>> @@ -28,6 +28,8 @@ >>> #include "ffmpeg.h" >>> +char *qsv_child_device = NULL; >>> + >>> static int qsv_get_buffer(AVCodecContext *s, AVFrame *frame, int flags) >>> { >>> InputStream *ist = s->opaque; >>> @@ -44,9 +46,16 @@ static void qsv_uninit(AVCodecContext *s) >>> static int qsv_device_init(InputStream *ist) >>> { >>> int err; >>> + AVDictionary *dict = NULL; >>> + >>> + if (qsv_child_device) { >>> + err = av_dict_set(&dict, "child_device", qsv_child_device, 0); >>> + if (err < 0) >>> + return err; >>> + } >>> err = av_hwdevice_ctx_create(&hw_device_ctx, AV_HWDEVICE_TYPE_QSV, >>> - ist->hwaccel_device, NULL, 0); >>> + ist->hwaccel_device, dict, 0); >>> if (err < 0) { >>> av_log(NULL, AV_LOG_ERROR, "Error creating a QSV device\n"); >>> return err; >>> -- >>> 1.8.3.1 >>> >> Patch otherwise ok. > Hi Mark, > thanks a lot. > update the above two questions you mentioned. Tested, LGTM, applied with minor fixup to the commit message. Thanks, - Mark
diff --git a/ffmpeg.h b/ffmpeg.h index ebe5bf0..081913b 100644 --- a/ffmpeg.h +++ b/ffmpeg.h @@ -602,6 +602,9 @@ extern const OptionDef options[]; extern const HWAccel hwaccels[]; extern int hwaccel_lax_profile_check; extern AVBufferRef *hw_device_ctx; +#if CONFIG_QSV +extern char *qsv_device; +#endif void term_init(void); diff --git a/ffmpeg_opt.c b/ffmpeg_opt.c index 6862456..52c2bab 100644 --- a/ffmpeg_opt.c +++ b/ffmpeg_opt.c @@ -3679,5 +3679,10 @@ const OptionDef options[] = { "set VAAPI hardware device (DRM path or X11 display name)", "device" }, #endif +#if CONFIG_QSV + { "qsv_device", HAS_ARG | OPT_STRING | OPT_EXPERT, { &qsv_device }, + "set QSV hardware device (DirectX adapter index, DRM path or X11 display name)", "device"}, +#endif + { NULL, }, }; diff --git a/ffmpeg_qsv.c b/ffmpeg_qsv.c index 68ff5bd..86824b6 100644 --- a/ffmpeg_qsv.c +++ b/ffmpeg_qsv.c @@ -28,6 +28,8 @@ #include "ffmpeg.h" +char *qsv_device = NULL; + static int qsv_get_buffer(AVCodecContext *s, AVFrame *frame, int flags) { InputStream *ist = s->opaque; @@ -44,15 +46,26 @@ static void qsv_uninit(AVCodecContext *s) static int qsv_device_init(InputStream *ist) { int err; + AVDictionary *dict = NULL; + + if (qsv_device) { + err = av_dict_set(&dict, "child_device", qsv_device, 0); + if (err < 0) + return err; + } err = av_hwdevice_ctx_create(&hw_device_ctx, AV_HWDEVICE_TYPE_QSV, - ist->hwaccel_device, NULL, 0); + ist->hwaccel_device, dict, 0); if (err < 0) { av_log(NULL, AV_LOG_ERROR, "Error creating a QSV device\n"); - return err; + goto err_out; } - return 0; +err_out: + if (dict) + av_dict_free(&dict); + + return err; } int qsv_init(AVCodecContext *s)