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@ -18,28 +18,10 @@ |
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#include "config.h" |
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#include <fcntl.h> |
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#include <unistd.h> |
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#include <va/va.h> |
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#if HAVE_VAAPI_X11 |
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# include <va/va_x11.h> |
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#endif |
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#if HAVE_VAAPI_DRM |
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# include <va/va_drm.h> |
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#endif |
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#include "libavutil/avassert.h" |
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#include "libavutil/avconfig.h" |
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#include "libavutil/buffer.h" |
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#include "libavutil/frame.h" |
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#include "libavutil/hwcontext.h" |
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#include "libavutil/hwcontext_vaapi.h" |
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#include "libavutil/imgutils.h" |
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#include "libavutil/opt.h" |
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#include "libavutil/pixfmt.h" |
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#include "libavcodec/vaapi.h" |
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#include "libavutil/log.h" |
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#include "avconv.h" |
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@ -60,23 +42,11 @@ typedef struct VAAPIDecoderContext { |
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AVBufferRef *frames_ref; |
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AVHWFramesContext *frames; |
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VAProfile va_profile; |
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VAEntrypoint va_entrypoint; |
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VAConfigID va_config; |
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VAContextID va_context; |
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enum AVPixelFormat decode_format; |
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int decode_width; |
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int decode_height; |
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int decode_surfaces; |
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// The output need not have the same format, width and height as the
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// decoded frames - the copy for non-direct-mapped access is actually
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// a whole vpp instance which can do arbitrary scaling and format
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// conversion.
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enum AVPixelFormat output_format; |
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struct vaapi_context decoder_vaapi_context; |
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} VAAPIDecoderContext; |
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@ -144,257 +114,12 @@ fail: |
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return err; |
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} |
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static const struct { |
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enum AVCodecID codec_id; |
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int codec_profile; |
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VAProfile va_profile; |
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} vaapi_profile_map[] = { |
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#define MAP(c, p, v) { AV_CODEC_ID_ ## c, FF_PROFILE_ ## p, VAProfile ## v } |
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MAP(MPEG2VIDEO, MPEG2_SIMPLE, MPEG2Simple ), |
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MAP(MPEG2VIDEO, MPEG2_MAIN, MPEG2Main ), |
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MAP(H263, UNKNOWN, H263Baseline), |
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MAP(MPEG4, MPEG4_SIMPLE, MPEG4Simple ), |
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MAP(MPEG4, MPEG4_ADVANCED_SIMPLE, |
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MPEG4AdvancedSimple), |
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MAP(MPEG4, MPEG4_MAIN, MPEG4Main ), |
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MAP(H264, H264_CONSTRAINED_BASELINE, |
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H264ConstrainedBaseline), |
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MAP(H264, H264_BASELINE, H264Baseline), |
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MAP(H264, H264_MAIN, H264Main ), |
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MAP(H264, H264_HIGH, H264High ), |
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#if VA_CHECK_VERSION(0, 37, 0) |
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MAP(HEVC, HEVC_MAIN, HEVCMain ), |
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#endif |
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MAP(WMV3, VC1_SIMPLE, VC1Simple ), |
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MAP(WMV3, VC1_MAIN, VC1Main ), |
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MAP(WMV3, VC1_COMPLEX, VC1Advanced ), |
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MAP(WMV3, VC1_ADVANCED, VC1Advanced ), |
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MAP(VC1, VC1_SIMPLE, VC1Simple ), |
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MAP(VC1, VC1_MAIN, VC1Main ), |
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MAP(VC1, VC1_COMPLEX, VC1Advanced ), |
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MAP(VC1, VC1_ADVANCED, VC1Advanced ), |
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#if VA_CHECK_VERSION(0, 35, 0) |
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MAP(VP8, UNKNOWN, VP8Version0_3 ), |
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#endif |
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#if VA_CHECK_VERSION(0, 37, 1) |
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MAP(VP9, VP9_0, VP9Profile0 ), |
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#endif |
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#undef MAP |
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}; |
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static int vaapi_build_decoder_config(VAAPIDecoderContext *ctx, |
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AVCodecContext *avctx, |
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int fallback_allowed) |
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{ |
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AVVAAPIDeviceContext *hwctx = ctx->device->hwctx; |
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AVVAAPIHWConfig *hwconfig = NULL; |
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AVHWFramesConstraints *constraints = NULL; |
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VAStatus vas; |
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int err, i, j; |
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int loglevel = fallback_allowed ? AV_LOG_VERBOSE : AV_LOG_ERROR; |
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const AVCodecDescriptor *codec_desc; |
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const AVPixFmtDescriptor *pix_desc; |
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enum AVPixelFormat pix_fmt; |
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VAProfile profile, *profile_list = NULL; |
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int profile_count, exact_match, alt_profile; |
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codec_desc = avcodec_descriptor_get(avctx->codec_id); |
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if (!codec_desc) { |
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err = AVERROR(EINVAL); |
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goto fail; |
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} |
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profile_count = vaMaxNumProfiles(hwctx->display); |
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profile_list = av_malloc(profile_count * sizeof(VAProfile)); |
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if (!profile_list) { |
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err = AVERROR(ENOMEM); |
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goto fail; |
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} |
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vas = vaQueryConfigProfiles(hwctx->display, |
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profile_list, &profile_count); |
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if (vas != VA_STATUS_SUCCESS) { |
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av_log(ctx, loglevel, "Failed to query profiles: %d (%s).\n", |
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vas, vaErrorStr(vas)); |
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err = AVERROR(EIO); |
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goto fail; |
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} |
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profile = VAProfileNone; |
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exact_match = 0; |
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for (i = 0; i < FF_ARRAY_ELEMS(vaapi_profile_map); i++) { |
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int profile_match = 0; |
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if (avctx->codec_id != vaapi_profile_map[i].codec_id) |
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continue; |
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if (avctx->profile == vaapi_profile_map[i].codec_profile) |
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profile_match = 1; |
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profile = vaapi_profile_map[i].va_profile; |
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for (j = 0; j < profile_count; j++) { |
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if (profile == profile_list[j]) { |
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exact_match = profile_match; |
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break; |
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} |
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} |
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if (j < profile_count) { |
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if (exact_match) |
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break; |
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alt_profile = vaapi_profile_map[i].codec_profile; |
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} |
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} |
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av_freep(&profile_list); |
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if (profile == VAProfileNone) { |
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av_log(ctx, loglevel, "No VAAPI support for codec %s.\n", |
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codec_desc->name); |
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err = AVERROR(ENOSYS); |
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goto fail; |
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} |
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if (!exact_match) { |
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if (fallback_allowed || !hwaccel_lax_profile_check) { |
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av_log(ctx, loglevel, "No VAAPI support for codec %s " |
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"profile %d.\n", codec_desc->name, avctx->profile); |
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if (!fallback_allowed) { |
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av_log(ctx, AV_LOG_WARNING, "If you want attempt decoding " |
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"anyway with a possibly-incompatible profile, add " |
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"the option -hwaccel_lax_profile_check.\n"); |
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} |
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err = AVERROR(EINVAL); |
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goto fail; |
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} else { |
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av_log(ctx, AV_LOG_WARNING, "No VAAPI support for codec %s " |
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"profile %d: trying instead with profile %d.\n", |
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codec_desc->name, avctx->profile, alt_profile); |
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av_log(ctx, AV_LOG_WARNING, "This may fail or give " |
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"incorrect results, depending on your hardware.\n"); |
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} |
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} |
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ctx->va_profile = profile; |
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ctx->va_entrypoint = VAEntrypointVLD; |
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vas = vaCreateConfig(hwctx->display, ctx->va_profile, |
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ctx->va_entrypoint, 0, 0, &ctx->va_config); |
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if (vas != VA_STATUS_SUCCESS) { |
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av_log(ctx, AV_LOG_ERROR, "Failed to create decode pipeline " |
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"configuration: %d (%s).\n", vas, vaErrorStr(vas)); |
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err = AVERROR(EIO); |
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goto fail; |
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} |
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hwconfig = av_hwdevice_hwconfig_alloc(ctx->device_ref); |
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if (!hwconfig) { |
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err = AVERROR(ENOMEM); |
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goto fail; |
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} |
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hwconfig->config_id = ctx->va_config; |
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constraints = av_hwdevice_get_hwframe_constraints(ctx->device_ref, |
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hwconfig); |
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if (!constraints) |
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goto fail; |
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// Decide on the decoder target format.
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// If the user specified something with -hwaccel_output_format then
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// try to use that to minimise conversions later.
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ctx->decode_format = AV_PIX_FMT_NONE; |
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if (ctx->output_format != AV_PIX_FMT_NONE && |
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ctx->output_format != AV_PIX_FMT_VAAPI) { |
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for (i = 0; constraints->valid_sw_formats[i] != AV_PIX_FMT_NONE; i++) { |
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if (constraints->valid_sw_formats[i] == ctx->decode_format) { |
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ctx->decode_format = ctx->output_format; |
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av_log(ctx, AV_LOG_DEBUG, "Using decode format %s (output " |
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"format).\n", av_get_pix_fmt_name(ctx->decode_format)); |
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break; |
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} |
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} |
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} |
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// Otherwise, we would like to try to choose something which matches the
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// decoder output, but there isn't enough information available here to
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// do so. Assume for now that we are always dealing with YUV 4:2:0, so
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// pick a format which does that.
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if (ctx->decode_format == AV_PIX_FMT_NONE) { |
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for (i = 0; constraints->valid_sw_formats[i] != AV_PIX_FMT_NONE; i++) { |
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pix_fmt = constraints->valid_sw_formats[i]; |
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pix_desc = av_pix_fmt_desc_get(pix_fmt); |
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if (pix_desc->nb_components == 3 && |
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pix_desc->log2_chroma_w == 1 && |
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pix_desc->log2_chroma_h == 1) { |
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ctx->decode_format = pix_fmt; |
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av_log(ctx, AV_LOG_DEBUG, "Using decode format %s (format " |
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"matched).\n", av_get_pix_fmt_name(ctx->decode_format)); |
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break; |
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} |
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} |
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} |
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// Otherwise pick the first in the list and hope for the best.
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if (ctx->decode_format == AV_PIX_FMT_NONE) { |
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ctx->decode_format = constraints->valid_sw_formats[0]; |
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av_log(ctx, AV_LOG_DEBUG, "Using decode format %s (first in list).\n", |
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av_get_pix_fmt_name(ctx->decode_format)); |
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if (i > 1) { |
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// There was a choice, and we picked randomly. Warn the user
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// that they might want to choose intelligently instead.
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av_log(ctx, AV_LOG_WARNING, "Using randomly chosen decode " |
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"format %s.\n", av_get_pix_fmt_name(ctx->decode_format)); |
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} |
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} |
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// Ensure the picture size is supported by the hardware.
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ctx->decode_width = avctx->coded_width; |
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ctx->decode_height = avctx->coded_height; |
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if (ctx->decode_width < constraints->min_width || |
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ctx->decode_height < constraints->min_height || |
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ctx->decode_width > constraints->max_width || |
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ctx->decode_height >constraints->max_height) { |
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av_log(ctx, AV_LOG_ERROR, "VAAPI hardware does not support image " |
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"size %dx%d (constraints: width %d-%d height %d-%d).\n", |
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ctx->decode_width, ctx->decode_height, |
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constraints->min_width, constraints->max_width, |
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constraints->min_height, constraints->max_height); |
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err = AVERROR(EINVAL); |
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goto fail; |
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} |
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av_hwframe_constraints_free(&constraints); |
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av_freep(&hwconfig); |
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// Decide how many reference frames we need. This might be doable more
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// nicely based on the codec and input stream?
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ctx->decode_surfaces = DEFAULT_SURFACES; |
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// For frame-threaded decoding, one additional surfaces is needed for
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// each thread.
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if (avctx->active_thread_type & FF_THREAD_FRAME) |
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ctx->decode_surfaces += avctx->thread_count; |
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return 0; |
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fail: |
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av_hwframe_constraints_free(&constraints); |
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av_freep(&hwconfig); |
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vaDestroyConfig(hwctx->display, ctx->va_config); |
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av_freep(&profile_list); |
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return err; |
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} |
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static void vaapi_decode_uninit(AVCodecContext *avctx) |
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{ |
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InputStream *ist = avctx->opaque; |
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VAAPIDecoderContext *ctx = ist->hwaccel_ctx; |
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if (ctx) { |
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AVVAAPIDeviceContext *hwctx = ctx->device->hwctx; |
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if (ctx->va_context != VA_INVALID_ID) { |
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vaDestroyContext(hwctx->display, ctx->va_context); |
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ctx->va_context = VA_INVALID_ID; |
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} |
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if (ctx->va_config != VA_INVALID_ID) { |
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vaDestroyConfig(hwctx->display, ctx->va_config); |
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ctx->va_config = VA_INVALID_ID; |
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} |
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av_buffer_unref(&ctx->frames_ref); |
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av_buffer_unref(&ctx->device_ref); |
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av_free(ctx); |
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@ -402,19 +127,16 @@ static void vaapi_decode_uninit(AVCodecContext *avctx) |
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av_buffer_unref(&ist->hw_frames_ctx); |
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ist->hwaccel_ctx = 0; |
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ist->hwaccel_uninit = 0; |
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ist->hwaccel_get_buffer = 0; |
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ist->hwaccel_retrieve_data = 0; |
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ist->hwaccel_ctx = NULL; |
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ist->hwaccel_uninit = NULL; |
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ist->hwaccel_get_buffer = NULL; |
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ist->hwaccel_retrieve_data = NULL; |
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} |
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int vaapi_decode_init(AVCodecContext *avctx) |
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{ |
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InputStream *ist = avctx->opaque; |
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AVVAAPIDeviceContext *hwctx; |
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AVVAAPIFramesContext *avfc; |
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VAAPIDecoderContext *ctx; |
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VAStatus vas; |
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int err; |
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int loglevel = (ist->hwaccel_id != HWACCEL_VAAPI ? AV_LOG_VERBOSE |
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: AV_LOG_ERROR); |
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@ -439,20 +161,7 @@ int vaapi_decode_init(AVCodecContext *avctx) |
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ctx->device_ref = av_buffer_ref(hw_device_ctx); |
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ctx->device = (AVHWDeviceContext*)ctx->device_ref->data; |
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ctx->va_config = VA_INVALID_ID; |
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ctx->va_context = VA_INVALID_ID; |
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hwctx = ctx->device->hwctx; |
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ctx->output_format = ist->hwaccel_output_format; |
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err = vaapi_build_decoder_config(ctx, avctx, |
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ist->hwaccel_id != HWACCEL_VAAPI); |
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if (err < 0) { |
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av_log(ctx, loglevel, "No supported configuration for this codec."); |
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goto fail; |
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} |
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avctx->pix_fmt = ctx->output_format; |
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ctx->frames_ref = av_hwframe_ctx_alloc(ctx->device_ref); |
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@ -465,10 +174,20 @@ int vaapi_decode_init(AVCodecContext *avctx) |
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ctx->frames = (AVHWFramesContext*)ctx->frames_ref->data; |
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ctx->frames->format = AV_PIX_FMT_VAAPI; |
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ctx->frames->sw_format = ctx->decode_format; |
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ctx->frames->width = ctx->decode_width; |
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ctx->frames->height = ctx->decode_height; |
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ctx->frames->initial_pool_size = ctx->decode_surfaces; |
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ctx->frames->width = avctx->coded_width; |
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ctx->frames->height = avctx->coded_height; |
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// It would be nice if we could query the available formats here,
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// but unfortunately we don't have a VAConfigID to do it with.
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// For now, just assume an NV12 format (or P010 if 10-bit).
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ctx->frames->sw_format = (avctx->sw_pix_fmt == AV_PIX_FMT_YUV420P10 ? |
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AV_PIX_FMT_P010 : AV_PIX_FMT_NV12); |
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// For frame-threaded decoding, at least one additional surface
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// is needed for each thread.
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ctx->frames->initial_pool_size = DEFAULT_SURFACES; |
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if (avctx->active_thread_type & FF_THREAD_FRAME) |
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ctx->frames->initial_pool_size += avctx->thread_count; |
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err = av_hwframe_ctx_init(ctx->frames_ref); |
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if (err < 0) { |
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@ -477,27 +196,6 @@ int vaapi_decode_init(AVCodecContext *avctx) |
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goto fail; |
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} |
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avfc = ctx->frames->hwctx; |
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vas = vaCreateContext(hwctx->display, ctx->va_config, |
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ctx->decode_width, ctx->decode_height, |
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VA_PROGRESSIVE, |
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avfc->surface_ids, avfc->nb_surfaces, |
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&ctx->va_context); |
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if (vas != VA_STATUS_SUCCESS) { |
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av_log(ctx, AV_LOG_ERROR, "Failed to create decode pipeline " |
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"context: %d (%s).\n", vas, vaErrorStr(vas)); |
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err = AVERROR(EINVAL); |
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goto fail; |
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} |
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av_log(ctx, AV_LOG_DEBUG, "VAAPI decoder (re)init complete.\n"); |
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// We would like to set this on the AVCodecContext for use by whoever gets
|
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|
// the frames from the decoder, but unfortunately the AVCodecContext we
|
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// have here need not be the "real" one (H.264 makes many copies for
|
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// threading purposes). To avoid the problem, we instead store it in the
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// InputStream and propagate it from there.
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|
ist->hw_frames_ctx = av_buffer_ref(ctx->frames_ref); |
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if (!ist->hw_frames_ctx) { |
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|
err = AVERROR(ENOMEM); |
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|
@ -505,14 +203,9 @@ int vaapi_decode_init(AVCodecContext *avctx) |
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|
} |
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|
ist->hwaccel_ctx = ctx; |
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|
ist->hwaccel_uninit = vaapi_decode_uninit; |
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|
ist->hwaccel_get_buffer = vaapi_get_buffer; |
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|
ist->hwaccel_retrieve_data = vaapi_retrieve_data; |
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ctx->decoder_vaapi_context.display = hwctx->display; |
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|
ctx->decoder_vaapi_context.config_id = ctx->va_config; |
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ctx->decoder_vaapi_context.context_id = ctx->va_context; |
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|
avctx->hwaccel_context = &ctx->decoder_vaapi_context; |
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|
ist->hwaccel_uninit = &vaapi_decode_uninit; |
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|
ist->hwaccel_get_buffer = &vaapi_get_buffer; |
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|
ist->hwaccel_retrieve_data = &vaapi_retrieve_data; |
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|
return 0; |
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