Re: [FFmpeg-devel] [PATCH] examples/vaapi_encode: Add a VA-API encode example.

2017-11-09 Thread Mark Thompson 
On 06/11/17 06:56, Jun Zhao wrote:
> From d16f766363d9ecc240b0f8e025c2a8f91ea4775e Mon Sep 17 00:00:00 2001
> From: Jun Zhao 
> Date: Mon, 6 Nov 2017 14:45:27 +0800
> Subject: [PATCH] examples/vaapi_encode: Add a VA-API encode example.
> 
> add a VA-API encode example, only support NV12 input, usage like:
> ./vaapi_encode 1920 1080 test.yuv test.h264
> 
> Signed-off-by: Jun Zhao 
> Signed-off-by: Liu, Kaixuan 
> ---
>  configure   |   2 +
>  doc/examples/Makefile   |   1 +
>  doc/examples/vaapi_encode.c | 308 
> 
>  3 files changed, 311 insertions(+)
>  create mode 100644 doc/examples/vaapi_encode.c
> 
> diff --git a/configure b/configure
> index 1b0f064607..2df0205e09 100755
> --- a/configure
> +++ b/configure
> @@ -1524,6 +1524,7 @@ EXAMPLE_LIST="
>  scaling_video_example
>  transcode_aac_example
>  transcoding_example
> +vaapi_encode_example
>  "
>  
>  EXTERNAL_AUTODETECT_LIBRARY_LIST="
> @@ -3294,6 +3295,7 @@ resampling_audio_example_deps="avutil swresample"
>  scaling_video_example_deps="avutil swscale"
>  transcode_aac_example_deps="avcodec avformat swresample"
>  transcoding_example_deps="avfilter avcodec avformat avutil"
> +vaapi_encode_example_deps="avfilter avcodec avformat avutil"
>  
>  # EXTRALIBS_LIST
>  cpu_init_extralibs="pthreads_extralibs"
> diff --git a/doc/examples/Makefile b/doc/examples/Makefile
> index 58afd71b85..da5af36532 100644
> --- a/doc/examples/Makefile
> +++ b/doc/examples/Makefile
> @@ -19,6 +19,7 @@ EXAMPLES-$(CONFIG_RESAMPLING_AUDIO_EXAMPLE)  += 
> resampling_audio
>  EXAMPLES-$(CONFIG_SCALING_VIDEO_EXAMPLE) += scaling_video
>  EXAMPLES-$(CONFIG_TRANSCODE_AAC_EXAMPLE) += transcode_aac
>  EXAMPLES-$(CONFIG_TRANSCODING_EXAMPLE)   += transcoding
> +EXAMPLES-$(CONFIG_VAAPI_ENCODE_EXAMPLE)  += vaapi_encode
>  
>  EXAMPLES   := $(EXAMPLES-yes:%=doc/examples/%$(PROGSSUF)$(EXESUF))
>  EXAMPLES_G := $(EXAMPLES-yes:%=doc/examples/%$(PROGSSUF)_g$(EXESUF))
> diff --git a/doc/examples/vaapi_encode.c b/doc/examples/vaapi_encode.c
> new file mode 100644
> index 00..02b1ac5a4a
> --- /dev/null
> +++ b/doc/examples/vaapi_encode.c
> @@ -0,0 +1,308 @@
> +/*
> + * Video Acceleration API (video encoding) encode sample
> + *
> + * This file is part of FFmpeg.
> + *
> + * FFmpeg is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU Lesser General Public
> + * License as published by the Free Software Foundation; either
> + * version 2.1 of the License, or (at your option) any later version.
> + *
> + * FFmpeg is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> + * Lesser General Public License for more details.
> + *
> + * You should have received a copy of the GNU Lesser General Public
> + * License along with FFmpeg; if not, write to the Free Software
> + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 
> USA
> + */
> +
> +/**
> + * @file
> + * Intel VAAPI-accelerated encoding example.
> + *
> + * @example vaapi_encode.c
> + * This example shows how to do VAAPI-accelerated encoding. now only support 
> NV12
> + * raw file, usage like: vaapi_enc 1920 1080 input.yuv output.h264
> + */
> +
> +#include 
> +#include 
> +#include 
> +
> +#include 
> +#include 
> +#include 
> +#include 
> +#include 
> +#include 
> +#include 
> +
> +typedef struct FilterContext {
> +AVFilterContext *buffersink_ctx;
> +AVFilterContext *buffersrc_ctx;
> +AVFilterGraph   *filter_graph;
> +} FilterContext;
> +
> +static int width, height;
> +static AVBufferRef *hw_device_ctx = NULL;
> +
> +static int init_filter(FilterContext *filter_ctx, char *args, AVBufferRef 
> *hw_device_ctx)
> +{
> +char filter_spec[] = "format=nv12,hwupload";
> +int  ret = 0, i = 0;
> +const AVFilter *buffersrc, *buffersink;
> +AVFilterContext *buffersrc_ctx, *buffersink_ctx;
> +AVFilterInOut *outputs = avfilter_inout_alloc();
> +AVFilterInOut *inputs  = avfilter_inout_alloc();
> +AVFilterGraph *filter_graph = avfilter_graph_alloc();
> +
> +buffersrc = avfilter_get_by_name("buffer");
> +buffersink = avfilter_get_by_name("buffersink");
> +if (!buffersrc || !buffersink) {
> +av_log(NULL, AV_LOG_ERROR, "filtering source or sink element not 
> found\n");
> +ret = AVERROR_UNKNOWN;
> +goto fail;
> +}
> +
> +ret = avfilter_graph_create_filter(_ctx, buffersrc, "in",
> +   args, NULL, filter_graph);
> +if (ret < 0) {
> +av_log(NULL, AV_LOG_ERROR, "Cannot create buffer source. Error 
> code:%s\n", av_err2str(ret));
> +goto fail;
> +}
> +ret = avfilter_graph_create_filter(_ctx, buffersink, "out",
> +

Re: [FFmpeg-devel] [PATCH] examples/vaapi_encode: Add a VA-API encode example.

2017-11-06 Thread Jun Zhao 


On 2017/11/7 9:38, Michael Niedermayer wrote:
> On Mon, Nov 06, 2017 at 02:56:16PM +0800, Jun Zhao wrote:
>>  configure   |2 
>>  doc/examples/Makefile   |1 
>>  doc/examples/vaapi_encode.c |  308 
>> 
>>  3 files changed, 311 insertions(+)
>> b4a1cfca5fb56770fae68218661f060e25ffe769  
>> 0001-examples-vaapi_encode-Add-a-VA-API-encode-example.patch
>> From d16f766363d9ecc240b0f8e025c2a8f91ea4775e Mon Sep 17 00:00:00 2001
>> From: Jun Zhao 
>> Date: Mon, 6 Nov 2017 14:45:27 +0800
>> Subject: [PATCH] examples/vaapi_encode: Add a VA-API encode example.
>>
>> add a VA-API encode example, only support NV12 input, usage like:
>> ./vaapi_encode 1920 1080 test.yuv test.h264
>>
>> Signed-off-by: Jun Zhao 
>> Signed-off-by: Liu, Kaixuan 
>> ---
>>  configure   |   2 +
>>  doc/examples/Makefile   |   1 +
>>  doc/examples/vaapi_encode.c | 308 
>> 
>>  3 files changed, 311 insertions(+)
>>  create mode 100644 doc/examples/vaapi_encode.c
> fails to build
> arm$ make examples
> CC  doc/examples/vaapi_encode.o
> src/doc/examples/vaapi_encode.c:36:39: fatal error: 
> libavfilter/avfiltergraph.h: No such file or directory
> compilation terminated.
> make: *** [doc/examples/vaapi_encode.o] Error 1
>
>
> [...]
Will submit V2 to fix the build error. Tks.
>
>
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Re: [FFmpeg-devel] [PATCH] examples/vaapi_encode: Add a VA-API encode example.

2017-11-06 Thread Michael Niedermayer 
On Mon, Nov 06, 2017 at 02:56:16PM +0800, Jun Zhao wrote:
> 

>  configure   |2 
>  doc/examples/Makefile   |1 
>  doc/examples/vaapi_encode.c |  308 
> 
>  3 files changed, 311 insertions(+)
> b4a1cfca5fb56770fae68218661f060e25ffe769  
> 0001-examples-vaapi_encode-Add-a-VA-API-encode-example.patch
> From d16f766363d9ecc240b0f8e025c2a8f91ea4775e Mon Sep 17 00:00:00 2001
> From: Jun Zhao 
> Date: Mon, 6 Nov 2017 14:45:27 +0800
> Subject: [PATCH] examples/vaapi_encode: Add a VA-API encode example.
> 
> add a VA-API encode example, only support NV12 input, usage like:
> ./vaapi_encode 1920 1080 test.yuv test.h264
> 
> Signed-off-by: Jun Zhao 
> Signed-off-by: Liu, Kaixuan 
> ---
>  configure   |   2 +
>  doc/examples/Makefile   |   1 +
>  doc/examples/vaapi_encode.c | 308 
> 
>  3 files changed, 311 insertions(+)
>  create mode 100644 doc/examples/vaapi_encode.c

fails to build
arm$ make examples
CC  doc/examples/vaapi_encode.o
src/doc/examples/vaapi_encode.c:36:39: fatal error: 
libavfilter/avfiltergraph.h: No such file or directory
compilation terminated.
make: *** [doc/examples/vaapi_encode.o] Error 1


[...]

-- 
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The educated differ from the uneducated as much as the living from the
dead. -- Aristotle 


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[FFmpeg-devel] [PATCH] examples/vaapi_encode: Add a VA-API encode example.

2017-11-05 Thread Jun Zhao 

From d16f766363d9ecc240b0f8e025c2a8f91ea4775e Mon Sep 17 00:00:00 2001
From: Jun Zhao 
Date: Mon, 6 Nov 2017 14:45:27 +0800
Subject: [PATCH] examples/vaapi_encode: Add a VA-API encode example.

add a VA-API encode example, only support NV12 input, usage like:
./vaapi_encode 1920 1080 test.yuv test.h264

Signed-off-by: Jun Zhao 
Signed-off-by: Liu, Kaixuan 
---
 configure   |   2 +
 doc/examples/Makefile   |   1 +
 doc/examples/vaapi_encode.c | 308 
 3 files changed, 311 insertions(+)
 create mode 100644 doc/examples/vaapi_encode.c

diff --git a/configure b/configure
index 1b0f064607..2df0205e09 100755
--- a/configure
+++ b/configure
@@ -1524,6 +1524,7 @@ EXAMPLE_LIST="
 scaling_video_example
 transcode_aac_example
 transcoding_example
+vaapi_encode_example
 "
 
 EXTERNAL_AUTODETECT_LIBRARY_LIST="
@@ -3294,6 +3295,7 @@ resampling_audio_example_deps="avutil swresample"
 scaling_video_example_deps="avutil swscale"
 transcode_aac_example_deps="avcodec avformat swresample"
 transcoding_example_deps="avfilter avcodec avformat avutil"
+vaapi_encode_example_deps="avfilter avcodec avformat avutil"
 
 # EXTRALIBS_LIST
 cpu_init_extralibs="pthreads_extralibs"
diff --git a/doc/examples/Makefile b/doc/examples/Makefile
index 58afd71b85..da5af36532 100644
--- a/doc/examples/Makefile
+++ b/doc/examples/Makefile
@@ -19,6 +19,7 @@ EXAMPLES-$(CONFIG_RESAMPLING_AUDIO_EXAMPLE)  += 
resampling_audio
 EXAMPLES-$(CONFIG_SCALING_VIDEO_EXAMPLE) += scaling_video
 EXAMPLES-$(CONFIG_TRANSCODE_AAC_EXAMPLE) += transcode_aac
 EXAMPLES-$(CONFIG_TRANSCODING_EXAMPLE)   += transcoding
+EXAMPLES-$(CONFIG_VAAPI_ENCODE_EXAMPLE)  += vaapi_encode
 
 EXAMPLES   := $(EXAMPLES-yes:%=doc/examples/%$(PROGSSUF)$(EXESUF))
 EXAMPLES_G := $(EXAMPLES-yes:%=doc/examples/%$(PROGSSUF)_g$(EXESUF))
diff --git a/doc/examples/vaapi_encode.c b/doc/examples/vaapi_encode.c
new file mode 100644
index 00..02b1ac5a4a
--- /dev/null
+++ b/doc/examples/vaapi_encode.c
@@ -0,0 +1,308 @@
+/*
+ * Video Acceleration API (video encoding) encode sample
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * Intel VAAPI-accelerated encoding example.
+ *
+ * @example vaapi_encode.c
+ * This example shows how to do VAAPI-accelerated encoding. now only support 
NV12
+ * raw file, usage like: vaapi_enc 1920 1080 input.yuv output.h264
+ */
+
+#include 
+#include 
+#include 
+
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+#include 
+
+typedef struct FilterContext {
+AVFilterContext *buffersink_ctx;
+AVFilterContext *buffersrc_ctx;
+AVFilterGraph   *filter_graph;
+} FilterContext;
+
+static int width, height;
+static AVBufferRef *hw_device_ctx = NULL;
+
+static int init_filter(FilterContext *filter_ctx, char *args, AVBufferRef 
*hw_device_ctx)
+{
+char filter_spec[] = "format=nv12,hwupload";
+int  ret = 0, i = 0;
+const AVFilter *buffersrc, *buffersink;
+AVFilterContext *buffersrc_ctx, *buffersink_ctx;
+AVFilterInOut *outputs = avfilter_inout_alloc();
+AVFilterInOut *inputs  = avfilter_inout_alloc();
+AVFilterGraph *filter_graph = avfilter_graph_alloc();
+
+buffersrc = avfilter_get_by_name("buffer");
+buffersink = avfilter_get_by_name("buffersink");
+if (!buffersrc || !buffersink) {
+av_log(NULL, AV_LOG_ERROR, "filtering source or sink element not 
found\n");
+ret = AVERROR_UNKNOWN;
+goto fail;
+}
+
+ret = avfilter_graph_create_filter(_ctx, buffersrc, "in",
+   args, NULL, filter_graph);
+if (ret < 0) {
+av_log(NULL, AV_LOG_ERROR, "Cannot create buffer source. Error 
code:%s\n", av_err2str(ret));
+goto fail;
+}
+ret = avfilter_graph_create_filter(_ctx, buffersink, "out",
+   NULL, NULL, filter_graph);
+if (ret < 0) {
+av_log(NULL, AV_LOG_ERROR, "Cannot create buffer sink. Error 
code:%s\n", av_err2str(ret));
+goto fail;
+}
+
+outputs->name   = av_strdup("in");
+outputs->filter_ctx = buffersrc_ctx;
+outputs->pad_idx= 0;
+outputs->next