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avconv: VAAPI hwcontext initialisation and hwaccel helper

Browse Source 
Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Mark Thompson 2016-03-23 23:48:13 +00:00 committed by Anton Khirnov
parent ca8c759173
commit 5d273d3efa
7 changed files with 694 additions and 2 deletions
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1
Makefile
View File

@ -86,6 +86,7 @@ OBJS-avconv-$(HAVE_VDPAU_X11) += avconv_vdpau.o
OBJS-avconv-$(HAVE_DXVA2_LIB) += avconv_dxva2.o
OBJS-avconv-$(CONFIG_VDA) += avconv_vda.o
OBJS-avconv-$(CONFIG_LIBMFX) += avconv_qsv.o
OBJS-avconv-$(CONFIG_VAAPI) += avconv_vaapi.o
TESTTOOLS = audiogen videogen rotozoom tiny_psnr base64
HOSTPROGS := $(TESTTOOLS:%=tests/%) doc/print_options

2
avconv.c
View File

@ -2736,6 +2736,8 @@ static int transcode(void)
}
}
av_buffer_unref(&hw_device_ctx);
/* finished ! */
ret = 0;

9
avconv.h
View File

@ -55,6 +55,7 @@ enum HWAccelID {
HWACCEL_DXVA2,
HWACCEL_VDA,
HWACCEL_QSV,
HWACCEL_VAAPI,
};
typedef struct HWAccel {
@ -115,6 +116,8 @@ typedef struct OptionsContext {
int nb_hwaccels;
SpecifierOpt *hwaccel_devices;
int nb_hwaccel_devices;
SpecifierOpt *hwaccel_output_formats;
int nb_hwaccel_output_formats;
SpecifierOpt *autorotate;
int nb_autorotate;
@ -261,6 +264,7 @@ typedef struct InputStream {
/* hwaccel options */
enum HWAccelID hwaccel_id;
char *hwaccel_device;
enum AVPixelFormat hwaccel_output_format;
/* hwaccel context */
enum HWAccelID active_hwaccel_id;
@ -270,6 +274,7 @@ typedef struct InputStream {
int (*hwaccel_retrieve_data)(AVCodecContext *s, AVFrame *frame);
enum AVPixelFormat hwaccel_pix_fmt;
enum AVPixelFormat hwaccel_retrieved_pix_fmt;
AVBufferRef *hw_frames_ctx;
/* stats */
// combined size of all the packets read
@ -428,6 +433,8 @@ extern const AVIOInterruptCB int_cb;
extern const OptionDef options[];
extern const HWAccel hwaccels[];
extern int hwaccel_lax_profile_check;
extern AVBufferRef *hw_device_ctx;
void reset_options(OptionsContext *o);
void show_usage(void);
@ -451,5 +458,7 @@ int dxva2_init(AVCodecContext *s);
int vda_init(AVCodecContext *s);
int qsv_init(AVCodecContext *s);
int qsv_transcode_init(OutputStream *ost);
int vaapi_decode_init(AVCodecContext *avctx);
int vaapi_device_init(const char *device);
#endif /* AVCONV_H */

9
avconv_filter.c
View File

@ -307,7 +307,7 @@ static int configure_output_video_filter(FilterGraph *fg, OutputFilter *ofilter,
if (ret < 0)
return ret;
if (codec->width || codec->height) {
if (!hw_device_ctx && (codec->width || codec->height)) {
char args[255];
AVFilterContext *filter;
@ -513,6 +513,7 @@ static int configure_input_video_filter(FilterGraph *fg, InputFilter *ifilter,
par->format = ist->hwaccel_retrieve_data ?
ist->hwaccel_retrieved_pix_fmt : ist->dec_ctx->pix_fmt;
par->time_base = tb;
par->hw_frames_ctx = ist->hw_frames_ctx;
ret = av_buffersrc_parameters_set(ifilter->filter, par);
av_freep(&par);
@ -719,6 +720,12 @@ int configure_filtergraph(FilterGraph *fg)
if ((ret = avfilter_graph_parse2(fg->graph, graph_desc, &inputs, &outputs)) < 0)
return ret;
if (hw_device_ctx) {
for (i = 0; i < fg->graph->nb_filters; i++) {
fg->graph->filters[i]->hw_device_ctx = av_buffer_ref(hw_device_ctx);
}
}
if (simple && (!inputs || inputs->next || !outputs || outputs->next)) {
av_log(NULL, AV_LOG_ERROR, "Simple filtergraph '%s' does not have "
"exactly one input and output.\n", graph_desc);

41
avconv_opt.c
View File

@ -67,9 +67,14 @@ const HWAccel hwaccels[] = {
#endif
#if CONFIG_LIBMFX
{ "qsv", qsv_init, HWACCEL_QSV, AV_PIX_FMT_QSV },
#endif
#if CONFIG_VAAPI
{ "vaapi", vaapi_decode_init, HWACCEL_VAAPI, AV_PIX_FMT_VAAPI },
#endif
{ 0 },
};
int hwaccel_lax_profile_check = 0;
AVBufferRef *hw_device_ctx;
char *vstats_filename;
@ -321,6 +326,17 @@ static int opt_attach(void *optctx, const char *opt, const char *arg)
return 0;
}
#if CONFIG_VAAPI
static int opt_vaapi_device(void *optctx, const char *opt, const char *arg)
{
int err;
err = vaapi_device_init(arg);
if (err < 0)
exit_program(1);
return 0;
}
#endif
/**
* Parse a metadata specifier passed as 'arg' parameter.
* @param arg metadata string to parse
@ -488,6 +504,7 @@ static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
AVCodecParameters *par = st->codecpar;
InputStream *ist = av_mallocz(sizeof(*ist));
char *framerate = NULL, *hwaccel = NULL, *hwaccel_device = NULL;
char *hwaccel_output_format = NULL;
char *codec_tag = NULL;
char *next;
@ -581,6 +598,19 @@ static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
if (!ist->hwaccel_device)
exit_program(1);
}
MATCH_PER_STREAM_OPT(hwaccel_output_formats, str,
hwaccel_output_format, ic, st);
if (hwaccel_output_format) {
ist->hwaccel_output_format = av_get_pix_fmt(hwaccel_output_format);
if (ist->hwaccel_output_format == AV_PIX_FMT_NONE) {
av_log(NULL, AV_LOG_FATAL, "Unrecognised hwaccel output "
"format: %s", hwaccel_output_format);
}
} else {
ist->hwaccel_output_format = AV_PIX_FMT_NONE;
}
ist->hwaccel_pix_fmt = AV_PIX_FMT_NONE;
break;
@ -2475,11 +2505,17 @@ const OptionDef options[] = {
{ "hwaccel_device", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccel_devices) },
"select a device for HW acceleration", "devicename" },
{ "hwaccel_output_format", OPT_VIDEO | OPT_STRING | HAS_ARG | OPT_EXPERT |
OPT_SPEC | OPT_INPUT, { .off = OFFSET(hwaccel_output_formats) },
"select output format used with HW accelerated decoding", "format" },
{ "hwaccels", OPT_EXIT, { .func_arg = show_hwaccels },
"show available HW acceleration methods" },
{ "autorotate", HAS_ARG | OPT_BOOL | OPT_SPEC |
OPT_EXPERT | OPT_INPUT, { .off = OFFSET(autorotate) },
"automatically insert correct rotate filters" },
{ "hwaccel_lax_profile_check", OPT_BOOL | OPT_EXPERT, { &hwaccel_lax_profile_check},
"attempt to decode anyway if HW accelerated decoder's supported profiles do not exactly match the stream" },
/* audio options */
{ "aframes", OPT_AUDIO | HAS_ARG | OPT_PERFILE | OPT_OUTPUT, { .func_arg = opt_audio_frames },
@ -2535,5 +2571,10 @@ const OptionDef options[] = {
{ "dcodec", HAS_ARG | OPT_DATA | OPT_PERFILE | OPT_EXPERT | OPT_INPUT | OPT_OUTPUT, { .func_arg = opt_data_codec },
"force data codec ('copy' to copy stream)", "codec" },
#if CONFIG_VAAPI
{ "vaapi_device", HAS_ARG | OPT_EXPERT, { .func_arg = opt_vaapi_device },
"set VAAPI hardware device (DRM path or X11 display name)", "device" },
#endif
{ NULL, },
};

626
avconv_vaapi.c Normal file
View File

@ -0,0 +1,626 @@
/*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include <fcntl.h>
#include <unistd.h>
#include <va/va.h>
#if HAVE_VAAPI_X11
# include <va/va_x11.h>
#endif
#if HAVE_VAAPI_DRM
# include <va/va_drm.h>
#endif
#include "libavutil/avassert.h"
#include "libavutil/avconfig.h"
#include "libavutil/buffer.h"
#include "libavutil/frame.h"
#include "libavutil/hwcontext.h"
#include "libavutil/hwcontext_vaapi.h"
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "libavutil/pixfmt.h"
#include "libavcodec/vaapi.h"
#include "avconv.h"
static AVClass vaapi_class = {
.class_name = "vaapi",
.item_name = av_default_item_name,
.version = LIBAVUTIL_VERSION_INT,
};
#define DEFAULT_SURFACES 20
typedef struct VAAPIDecoderContext {
const AVClass *class;
AVBufferRef *device_ref;
AVHWDeviceContext *device;
AVBufferRef *frames_ref;
AVHWFramesContext *frames;
VAProfile va_profile;
VAEntrypoint va_entrypoint;
VAConfigID va_config;
VAContextID va_context;
enum AVPixelFormat decode_format;
int decode_width;
int decode_height;
int decode_surfaces;
// The output need not have the same format, width and height as the
// decoded frames - the copy for non-direct-mapped access is actually
// a whole vpp instance which can do arbitrary scaling and format
// conversion.
enum AVPixelFormat output_format;
struct vaapi_context decoder_vaapi_context;
} VAAPIDecoderContext;
static int vaapi_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
{
InputStream *ist = avctx->opaque;
VAAPIDecoderContext *ctx = ist->hwaccel_ctx;
int err;
err = av_hwframe_get_buffer(ctx->frames_ref, frame, 0);
if (err < 0) {
av_log(ctx, AV_LOG_ERROR, "Failed to allocate decoder surface.\n");
} else {
av_log(ctx, AV_LOG_DEBUG, "Decoder given surface %#x.\n",
(unsigned int)(uintptr_t)frame->data[3]);
}
return err;
}
static int vaapi_retrieve_data(AVCodecContext *avctx, AVFrame *input)
{
InputStream *ist = avctx->opaque;
VAAPIDecoderContext *ctx = ist->hwaccel_ctx;
AVFrame *output = 0;
int err;
av_assert0(input->format == AV_PIX_FMT_VAAPI);
if (ctx->output_format == AV_PIX_FMT_VAAPI) {
// Nothing to do.
return 0;
}
av_log(ctx, AV_LOG_DEBUG, "Retrieve data from surface %#x.\n",
(unsigned int)(uintptr_t)input->data[3]);
output = av_frame_alloc();
if (!output)
return AVERROR(ENOMEM);
output->format = ctx->output_format;
err = av_hwframe_transfer_data(output, input, 0);
if (err < 0) {
av_log(ctx, AV_LOG_ERROR, "Failed to transfer data to "
"output frame: %d.\n", err);
goto fail;
}
err = av_frame_copy_props(output, input);
if (err < 0) {
av_frame_unref(output);
goto fail;
}
av_frame_unref(input);
av_frame_move_ref(input, output);
av_frame_free(&output);
return 0;
fail:
if (output)
av_frame_free(&output);
return err;
}
static const struct {
enum AVCodecID codec_id;
int codec_profile;
VAProfile va_profile;
} vaapi_profile_map[] = {
#define MAP(c, p, v) { AV_CODEC_ID_ ## c, FF_PROFILE_ ## p, VAProfile ## v }
MAP(MPEG2VIDEO, MPEG2_SIMPLE, MPEG2Simple ),
MAP(MPEG2VIDEO, MPEG2_MAIN, MPEG2Main ),
MAP(H263, UNKNOWN, H263Baseline),
MAP(MPEG4, MPEG4_SIMPLE, MPEG4Simple ),
MAP(MPEG4, MPEG4_ADVANCED_SIMPLE,
MPEG4AdvancedSimple),
MAP(MPEG4, MPEG4_MAIN, MPEG4Main ),
MAP(H264, H264_CONSTRAINED_BASELINE,
H264ConstrainedBaseline),
MAP(H264, H264_BASELINE, H264Baseline),
MAP(H264, H264_MAIN, H264Main ),
MAP(H264, H264_HIGH, H264High ),
#if VA_CHECK_VERSION(0, 37, 0)
MAP(HEVC, HEVC_MAIN, HEVCMain ),
#endif
MAP(WMV3, VC1_SIMPLE, VC1Simple ),
MAP(WMV3, VC1_MAIN, VC1Main ),
MAP(WMV3, VC1_COMPLEX, VC1Advanced ),
MAP(WMV3, VC1_ADVANCED, VC1Advanced ),
MAP(VC1, VC1_SIMPLE, VC1Simple ),
MAP(VC1, VC1_MAIN, VC1Main ),
MAP(VC1, VC1_COMPLEX, VC1Advanced ),
MAP(VC1, VC1_ADVANCED, VC1Advanced ),
#if VA_CHECK_VERSION(0, 35, 0)
MAP(VP8, UNKNOWN, VP8Version0_3 ),
#endif
#if VA_CHECK_VERSION(0, 37, 1)
MAP(VP9, VP9_0, VP9Profile0 ),
#endif
#undef MAP
};
static int vaapi_build_decoder_config(VAAPIDecoderContext *ctx,
AVCodecContext *avctx,
int fallback_allowed)
{
AVVAAPIDeviceContext *hwctx = ctx->device->hwctx;
AVVAAPIHWConfig *hwconfig = NULL;
AVHWFramesConstraints *constraints = NULL;
VAStatus vas;
int err, i, j;
int loglevel = fallback_allowed ? AV_LOG_VERBOSE : AV_LOG_ERROR;
const AVCodecDescriptor *codec_desc;
const AVPixFmtDescriptor *pix_desc;
enum AVPixelFormat pix_fmt;
VAProfile profile, *profile_list = NULL;
int profile_count, exact_match, alt_profile;
codec_desc = avcodec_descriptor_get(avctx->codec_id);
if (!codec_desc) {
err = AVERROR(EINVAL);
goto fail;
}
profile_count = vaMaxNumProfiles(hwctx->display);
profile_list = av_malloc(profile_count * sizeof(VAProfile));
if (!profile_list) {
err = AVERROR(ENOMEM);
goto fail;
}
vas = vaQueryConfigProfiles(hwctx->display,
profile_list, &profile_count);
if (vas != VA_STATUS_SUCCESS) {
av_log(ctx, loglevel, "Failed to query profiles: %d (%s).\n",
vas, vaErrorStr(vas));
err = AVERROR(EIO);
goto fail;
}
profile = VAProfileNone;
exact_match = 0;
for (i = 0; i < FF_ARRAY_ELEMS(vaapi_profile_map); i++) {
int profile_match = 0;
if (avctx->codec_id != vaapi_profile_map[i].codec_id)
continue;
if (avctx->profile == vaapi_profile_map[i].codec_profile)
profile_match = 1;
profile = vaapi_profile_map[i].va_profile;
for (j = 0; j < profile_count; j++) {
if (profile == profile_list[j]) {
exact_match = profile_match;
break;
}
}
if (j < profile_count) {
if (exact_match)
break;
alt_profile = vaapi_profile_map[i].codec_profile;
}
}
av_free(profile_list);
if (profile == VAProfileNone) {
av_log(ctx, loglevel, "No VAAPI support for codec %s.\n",
codec_desc->name);
err = AVERROR(ENOSYS);
goto fail;
}
if (!exact_match) {
if (fallback_allowed || !hwaccel_lax_profile_check) {
av_log(ctx, loglevel, "No VAAPI support for codec %s "
"profile %d.\n", codec_desc->name, avctx->profile);
if (!fallback_allowed) {
av_log(ctx, AV_LOG_WARNING, "If you want attempt decoding "
"anyway with a possibly-incompatible profile, add "
"the option -hwaccel_lax_profile_check.\n");
}
err = AVERROR(EINVAL);
goto fail;
} else {
av_log(ctx, AV_LOG_WARNING, "No VAAPI support for codec %s "
"profile %d: trying instead with profile %d.\n",
codec_desc->name, avctx->profile, alt_profile);
av_log(ctx, AV_LOG_WARNING, "This may fail or give "
"incorrect results, depending on your hardware.\n");
}
}
ctx->va_profile = profile;
ctx->va_entrypoint = VAEntrypointVLD;
vas = vaCreateConfig(hwctx->display, ctx->va_profile,
ctx->va_entrypoint, 0, 0, &ctx->va_config);
if (vas != VA_STATUS_SUCCESS) {
av_log(ctx, AV_LOG_ERROR, "Failed to create decode pipeline "
"configuration: %d (%s).\n", vas, vaErrorStr(vas));
err = AVERROR(EIO);
goto fail;
}
hwconfig = av_hwdevice_hwconfig_alloc(ctx->device_ref);
if (!hwconfig) {
err = AVERROR(ENOMEM);
goto fail;
}
hwconfig->config_id = ctx->va_config;
constraints = av_hwdevice_get_hwframe_constraints(ctx->device_ref,
hwconfig);
if (!constraints)
goto fail;
// Decide on the decoder target format.
// If the user specified something with -hwaccel_output_format then
// try to use that to minimise conversions later.
ctx->decode_format = AV_PIX_FMT_NONE;
if (ctx->output_format != AV_PIX_FMT_NONE &&
ctx->output_format != AV_PIX_FMT_VAAPI) {
for (i = 0; constraints->valid_sw_formats[i] != AV_PIX_FMT_NONE; i++) {
if (constraints->valid_sw_formats[i] == ctx->decode_format) {
ctx->decode_format = ctx->output_format;
av_log(ctx, AV_LOG_DEBUG, "Using decode format %s (output "
"format).\n", av_get_pix_fmt_name(ctx->decode_format));
break;
}
}
}
// Otherwise, we would like to try to choose something which matches the
// decoder output, but there isn't enough information available here to
// do so. Assume for now that we are always dealing with YUV 4:2:0, so
// pick a format which does that.
if (ctx->decode_format == AV_PIX_FMT_NONE) {
for (i = 0; constraints->valid_sw_formats[i] != AV_PIX_FMT_NONE; i++) {
pix_fmt = constraints->valid_sw_formats[i];
pix_desc = av_pix_fmt_desc_get(pix_fmt);
if (pix_desc->nb_components == 3 &&
pix_desc->log2_chroma_w == 1 &&
pix_desc->log2_chroma_h == 1) {
ctx->decode_format = pix_fmt;
av_log(ctx, AV_LOG_DEBUG, "Using decode format %s (format "
"matched).\n", av_get_pix_fmt_name(ctx->decode_format));
break;
}
}
}
// Otherwise pick the first in the list and hope for the best.
if (ctx->decode_format == AV_PIX_FMT_NONE) {
ctx->decode_format = constraints->valid_sw_formats[0];
av_log(ctx, AV_LOG_DEBUG, "Using decode format %s (first in list).\n",
av_get_pix_fmt_name(ctx->decode_format));
if (i > 1) {
// There was a choice, and we picked randomly. Warn the user
// that they might want to choose intelligently instead.
av_log(ctx, AV_LOG_WARNING, "Using randomly chosen decode "
"format %s.\n", av_get_pix_fmt_name(ctx->decode_format));
}
}
// Ensure the picture size is supported by the hardware.
ctx->decode_width = avctx->coded_width;
ctx->decode_height = avctx->coded_height;
if (ctx->decode_width < constraints->min_width ||
ctx->decode_height < constraints->min_height ||
ctx->decode_width > constraints->max_width ||
ctx->decode_height >constraints->max_height) {
av_log(ctx, AV_LOG_ERROR, "VAAPI hardware does not support image "
"size %dx%d (constraints: width %d-%d height %d-%d).\n",
ctx->decode_width, ctx->decode_height,
constraints->min_width, constraints->max_width,
constraints->min_height, constraints->max_height);
err = AVERROR(EINVAL);
goto fail;
}
av_hwframe_constraints_free(&constraints);
av_freep(&hwconfig);
// Decide how many reference frames we need. This might be doable more
// nicely based on the codec and input stream?
ctx->decode_surfaces = DEFAULT_SURFACES;
// For frame-threaded decoding, one additional surfaces is needed for
// each thread.
if (avctx->active_thread_type & FF_THREAD_FRAME)
ctx->decode_surfaces += avctx->thread_count;
return 0;
fail:
av_hwframe_constraints_free(&constraints);
av_freep(&hwconfig);
vaDestroyConfig(hwctx->display, ctx->va_config);
av_free(profile_list);
return err;
}
static void vaapi_decode_uninit(AVCodecContext *avctx)
{
InputStream *ist = avctx->opaque;
VAAPIDecoderContext *ctx = ist->hwaccel_ctx;
if (ctx) {
AVVAAPIDeviceContext *hwctx = ctx->device->hwctx;
if (ctx->va_context != VA_INVALID_ID) {
vaDestroyContext(hwctx->display, ctx->va_context);
ctx->va_context = VA_INVALID_ID;
}
if (ctx->va_config != VA_INVALID_ID) {
vaDestroyConfig(hwctx->display, ctx->va_config);
ctx->va_config = VA_INVALID_ID;
}
av_buffer_unref(&ctx->frames_ref);
av_buffer_unref(&ctx->device_ref);
av_free(ctx);
}
av_buffer_unref(&ist->hw_frames_ctx);
ist->hwaccel_ctx = 0;
ist->hwaccel_uninit = 0;
ist->hwaccel_get_buffer = 0;
ist->hwaccel_retrieve_data = 0;
}
int vaapi_decode_init(AVCodecContext *avctx)
{
InputStream *ist = avctx->opaque;
AVVAAPIDeviceContext *hwctx;
AVVAAPIFramesContext *avfc;
VAAPIDecoderContext *ctx;
VAStatus vas;
int err;
int loglevel = (ist->hwaccel_id != HWACCEL_VAAPI ? AV_LOG_VERBOSE
: AV_LOG_ERROR);
if (ist->hwaccel_ctx)
vaapi_decode_uninit(avctx);
// We have -hwaccel without -vaapi_device, so just initialise here with
// the device passed as -hwaccel_device (if -vaapi_device was passed, it
// will always have been called before now).
if (!hw_device_ctx) {
err = vaapi_device_init(ist->hwaccel_device);
if (err < 0)
return err;
}
ctx = av_mallocz(sizeof(*ctx));
if (!ctx)
return AVERROR(ENOMEM);
ctx->class = &vaapi_class;
ctx->device_ref = av_buffer_ref(hw_device_ctx);
ctx->device = (AVHWDeviceContext*)ctx->device_ref->data;
ctx->va_config = VA_INVALID_ID;
ctx->va_context = VA_INVALID_ID;
hwctx = ctx->device->hwctx;
ctx->output_format = ist->hwaccel_output_format;
err = vaapi_build_decoder_config(ctx, avctx,
ist->hwaccel_id != HWACCEL_VAAPI);
if (err < 0) {
av_log(ctx, loglevel, "No supported configuration for this codec.");
goto fail;
}
avctx->pix_fmt = ctx->output_format;
ctx->frames_ref = av_hwframe_ctx_alloc(ctx->device_ref);
if (!ctx->frames_ref) {
av_log(ctx, loglevel, "Failed to create VAAPI frame context.\n");
err = AVERROR(ENOMEM);
goto fail;
}
ctx->frames = (AVHWFramesContext*)ctx->frames_ref->data;
ctx->frames->format = AV_PIX_FMT_VAAPI;
ctx->frames->sw_format = ctx->decode_format;
ctx->frames->width = ctx->decode_width;
ctx->frames->height = ctx->decode_height;
ctx->frames->initial_pool_size = ctx->decode_surfaces;
err = av_hwframe_ctx_init(ctx->frames_ref);
if (err < 0) {
av_log(ctx, loglevel, "Failed to initialise VAAPI frame "
"context: %d\n", err);
goto fail;
}
avfc = ctx->frames->hwctx;
vas = vaCreateContext(hwctx->display, ctx->va_config,
ctx->decode_width, ctx->decode_height,
VA_PROGRESSIVE,
avfc->surface_ids, avfc->nb_surfaces,
&ctx->va_context);
if (vas != VA_STATUS_SUCCESS) {
av_log(ctx, AV_LOG_ERROR, "Failed to create decode pipeline "
"context: %d (%s).\n", vas, vaErrorStr(vas));
err = AVERROR(EINVAL);
goto fail;
}
av_log(ctx, AV_LOG_DEBUG, "VAAPI decoder (re)init complete.\n");
// We would like to set this on the AVCodecContext for use by whoever gets
// the frames from the decoder, but unfortunately the AVCodecContext we
// have here need not be the "real" one (H.264 makes many copies for
// threading purposes). To avoid the problem, we instead store it in the
// InputStream and propagate it from there.
ist->hw_frames_ctx = av_buffer_ref(ctx->frames_ref);
if (!ist->hw_frames_ctx) {
err = AVERROR(ENOMEM);
goto fail;
}
ist->hwaccel_ctx = ctx;
ist->hwaccel_uninit = vaapi_decode_uninit;
ist->hwaccel_get_buffer = vaapi_get_buffer;
ist->hwaccel_retrieve_data = vaapi_retrieve_data;
ctx->decoder_vaapi_context.display = hwctx->display;
ctx->decoder_vaapi_context.config_id = ctx->va_config;
ctx->decoder_vaapi_context.context_id = ctx->va_context;
avctx->hwaccel_context = &ctx->decoder_vaapi_context;
return 0;
fail:
vaapi_decode_uninit(avctx);
return err;
}
static AVClass *vaapi_log = &vaapi_class;
static av_cold void vaapi_device_uninit(AVHWDeviceContext *hwdev)
{
AVVAAPIDeviceContext *hwctx = hwdev->hwctx;
av_log(&vaapi_log, AV_LOG_VERBOSE, "Terminating VAAPI connection.\n");
vaTerminate(hwctx->display);
}
av_cold int vaapi_device_init(const char *device)
{
AVHWDeviceContext *hwdev;
AVVAAPIDeviceContext *hwctx;
VADisplay display;
VAStatus vas;
int major, minor, err;
display = 0;
#if HAVE_VAAPI_X11
if (!display) {
Display *x11_display;
// Try to open the device as an X11 display.
x11_display = XOpenDisplay(device);
if (!x11_display) {
av_log(&vaapi_log, AV_LOG_WARNING, "Cannot open X11 display "
"%s.\n", XDisplayName(device));
} else {
display = vaGetDisplay(x11_display);
if (!display) {
av_log(&vaapi_log, AV_LOG_WARNING, "Cannot open a VA display "
"from X11 display %s.\n", XDisplayName(device));
XCloseDisplay(x11_display);
} else {
av_log(&vaapi_log, AV_LOG_VERBOSE, "Opened VA display via "
"X11 display %s.\n", XDisplayName(device));
}
}
}
#endif
#if HAVE_VAAPI_DRM
if (!display && device) {
int drm_fd;
// Try to open the device as a DRM path.
drm_fd = open(device, O_RDWR);
if (drm_fd < 0) {
av_log(&vaapi_log, AV_LOG_WARNING, "Cannot open DRM device %s.\n",
device);
} else {
display = vaGetDisplayDRM(drm_fd);
if (!display) {
av_log(&vaapi_log, AV_LOG_WARNING, "Cannot open a VA display "
"from DRM device %s.\n", device);
close(drm_fd);
} else {
av_log(&vaapi_log, AV_LOG_VERBOSE, "Opened VA display via "
"DRM device %s.\n", device);
}
}
}
#endif
if (!display) {
av_log(&vaapi_log, AV_LOG_ERROR, "No VA display found for "
"device %s.\n", device);
return AVERROR(EINVAL);
}
vas = vaInitialize(display, &major, &minor);
if (vas != VA_STATUS_SUCCESS) {
av_log(&vaapi_log, AV_LOG_ERROR, "Failed to initialise VAAPI "
"connection: %d (%s).\n", vas, vaErrorStr(vas));
return AVERROR(EIO);
}
av_log(&vaapi_log, AV_LOG_VERBOSE, "Initialised VAAPI connection: "
"version %d.%d\n", major, minor);
hw_device_ctx = av_hwdevice_ctx_alloc(AV_HWDEVICE_TYPE_VAAPI);
if (!hw_device_ctx) {
av_log(&vaapi_log, AV_LOG_ERROR, "Failed to create VAAPI "
"hardware context.\n");
vaTerminate(display);
return AVERROR(ENOMEM);
}
hwdev = (AVHWDeviceContext*)hw_device_ctx->data;
hwdev->free = &vaapi_device_uninit;
hwctx = hwdev->hwctx;
hwctx->display = display;
err = av_hwdevice_ctx_init(hw_device_ctx);
if (err < 0) {
av_log(&vaapi_log, AV_LOG_ERROR, "Failed to initialise VAAPI "
"hardware context: %d\n", err);
return err;
}
return 0;
}

8
configure vendored
View File

@ -1636,6 +1636,7 @@ HAVE_LIST="
sdl
section_data_rel_ro
threads
vaapi_drm
vaapi_x11
vdpau_x11
xlib
@ -4694,10 +4695,15 @@ enabled vaapi &&
check_code cc "va/va.h" "vaCreateSurfaces(0, 0, 0, 0, 0, 0, 0, 0)" ||
disable vaapi
enabled vaapi && enabled xlib &&
if enabled vaapi ; then
enabled xlib &&
check_lib2 "va/va.h va/va_x11.h" vaGetDisplay -lva -lva-x11 &&
enable vaapi_x11
check_lib2 "va/va.h va/va_drm.h" vaGetDisplayDRM -lva -lva-drm &&
enable vaapi_drm
fi
enabled vdpau &&
check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
disable vdpau