[FFmpeg-cvslog] Merge commit '0c1d66a07917602303f129f5a5651faeec2415d5'
Clément Bœsch
git at videolan.org
Tue Jun 21 22:23:34 CEST 2016
ffmpeg | branch: master | Clément Bœsch <u at pkh.me> | Tue Jun 21 22:22:51 2016 +0200| [91450cda2ee112c45e5c7ce1dd5651b811ecad8c] | committer: Clément Bœsch
Merge commit '0c1d66a07917602303f129f5a5651faeec2415d5'
* commit '0c1d66a07917602303f129f5a5651faeec2415d5':
avconv_vaapi: fix double-free with some unsupported streams
Merged-by: Clément Bœsch <u at pkh.me>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=91450cda2ee112c45e5c7ce1dd5651b811ecad8c
---
ffmpeg_vaapi.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/ffmpeg_vaapi.c b/ffmpeg_vaapi.c
index c6bb9ee..d76c121 100644
--- a/ffmpeg_vaapi.c
+++ b/ffmpeg_vaapi.c
@@ -243,7 +243,7 @@ static int vaapi_build_decoder_config(VAAPIDecoderContext *ctx,
alt_profile = vaapi_profile_map[i].codec_profile;
}
}
- av_free(profile_list);
+ av_freep(&profile_list);
if (profile == VAProfileNone) {
av_log(ctx, loglevel, "No VAAPI support for codec %s.\n",
@@ -374,7 +374,7 @@ fail:
av_hwframe_constraints_free(&constraints);
av_freep(&hwconfig);
vaDestroyConfig(hwctx->display, ctx->va_config);
- av_free(profile_list);
+ av_freep(&profile_list);
return err;
}
======================================================================
diff --cc ffmpeg_vaapi.c
index c6bb9ee,0000000..d76c121
mode 100644,000000..100644
--- a/ffmpeg_vaapi.c
+++ b/ffmpeg_vaapi.c
@@@ -1,626 -1,0 +1,626 @@@
+/*
+ * 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
+ */
+
+#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 "ffmpeg.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);
++ av_freep(&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);
++ av_freep(&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;
+}
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