diff options
Diffstat (limited to 'media/ffvpx/libavutil/hwcontext.c')
| -rw-r--r-- | media/ffvpx/libavutil/hwcontext.c | 290 |
1 files changed, 135 insertions, 155 deletions
diff --git a/media/ffvpx/libavutil/hwcontext.c b/media/ffvpx/libavutil/hwcontext.c index e23bad230f..fa99a0d8a4 100644 --- a/media/ffvpx/libavutil/hwcontext.c +++ b/media/ffvpx/libavutil/hwcontext.c @@ -84,6 +84,21 @@ static const char *const hw_type_names[] = { [AV_HWDEVICE_TYPE_VULKAN] = "vulkan", }; +typedef struct FFHWDeviceContext { + /** + * The public AVHWDeviceContext. See hwcontext.h for it. + */ + AVHWDeviceContext p; + + const HWContextType *hw_type; + + /** + * For a derived device, a reference to the original device + * context it was derived from. + */ + AVBufferRef *source_device; +} FFHWDeviceContext; + enum AVHWDeviceType av_hwdevice_find_type_by_name(const char *name) { int type; @@ -126,26 +141,26 @@ static const AVClass hwdevice_ctx_class = { static void hwdevice_ctx_free(void *opaque, uint8_t *data) { - AVHWDeviceContext *ctx = (AVHWDeviceContext*)data; + FFHWDeviceContext *ctxi = (FFHWDeviceContext*)data; + AVHWDeviceContext *ctx = &ctxi->p; /* uninit might still want access the hw context and the user * free() callback might destroy it, so uninit has to be called first */ - if (ctx->internal->hw_type->device_uninit) - ctx->internal->hw_type->device_uninit(ctx); + if (ctxi->hw_type->device_uninit) + ctxi->hw_type->device_uninit(ctx); if (ctx->free) ctx->free(ctx); - av_buffer_unref(&ctx->internal->source_device); + av_buffer_unref(&ctxi->source_device); av_freep(&ctx->hwctx); - av_freep(&ctx->internal->priv); - av_freep(&ctx->internal); av_freep(&ctx); } AVBufferRef *av_hwdevice_ctx_alloc(enum AVHWDeviceType type) { + FFHWDeviceContext *ctxi; AVHWDeviceContext *ctx; AVBufferRef *buf; const HWContextType *hw_type = NULL; @@ -160,19 +175,10 @@ AVBufferRef *av_hwdevice_ctx_alloc(enum AVHWDeviceType type) if (!hw_type) return NULL; - ctx = av_mallocz(sizeof(*ctx)); - if (!ctx) + ctxi = av_mallocz(sizeof(*ctxi)); + if (!ctxi) return NULL; - - ctx->internal = av_mallocz(sizeof(*ctx->internal)); - if (!ctx->internal) - goto fail; - - if (hw_type->device_priv_size) { - ctx->internal->priv = av_mallocz(hw_type->device_priv_size); - if (!ctx->internal->priv) - goto fail; - } + ctx = &ctxi->p; if (hw_type->device_hwctx_size) { ctx->hwctx = av_mallocz(hw_type->device_hwctx_size); @@ -189,14 +195,11 @@ AVBufferRef *av_hwdevice_ctx_alloc(enum AVHWDeviceType type) ctx->type = type; ctx->av_class = &hwdevice_ctx_class; - ctx->internal->hw_type = hw_type; + ctxi->hw_type = hw_type; return buf; fail: - if (ctx->internal) - av_freep(&ctx->internal->priv); - av_freep(&ctx->internal); av_freep(&ctx->hwctx); av_freep(&ctx); return NULL; @@ -204,19 +207,13 @@ fail: int av_hwdevice_ctx_init(AVBufferRef *ref) { - AVHWDeviceContext *ctx = (AVHWDeviceContext*)ref->data; - int ret; + FFHWDeviceContext *ctxi = (FFHWDeviceContext*)ref->data; + AVHWDeviceContext *ctx = &ctxi->p; + int ret = 0; - if (ctx->internal->hw_type->device_init) { - ret = ctx->internal->hw_type->device_init(ctx); - if (ret < 0) - goto fail; - } + if (ctxi->hw_type->device_init) + ret = ctxi->hw_type->device_init(ctx); - return 0; -fail: - if (ctx->internal->hw_type->device_uninit) - ctx->internal->hw_type->device_uninit(ctx); return ret; } @@ -228,47 +225,38 @@ static const AVClass hwframe_ctx_class = { static void hwframe_ctx_free(void *opaque, uint8_t *data) { - AVHWFramesContext *ctx = (AVHWFramesContext*)data; + FFHWFramesContext *ctxi = (FFHWFramesContext*)data; + AVHWFramesContext *ctx = &ctxi->p; - if (ctx->internal->pool_internal) - av_buffer_pool_uninit(&ctx->internal->pool_internal); + if (ctxi->pool_internal) + av_buffer_pool_uninit(&ctxi->pool_internal); - if (ctx->internal->hw_type->frames_uninit) - ctx->internal->hw_type->frames_uninit(ctx); + if (ctxi->hw_type->frames_uninit) + ctxi->hw_type->frames_uninit(ctx); if (ctx->free) ctx->free(ctx); - av_buffer_unref(&ctx->internal->source_frames); + av_buffer_unref(&ctxi->source_frames); av_buffer_unref(&ctx->device_ref); av_freep(&ctx->hwctx); - av_freep(&ctx->internal->priv); - av_freep(&ctx->internal); av_freep(&ctx); } AVBufferRef *av_hwframe_ctx_alloc(AVBufferRef *device_ref_in) { - AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)device_ref_in->data; - const HWContextType *hw_type = device_ctx->internal->hw_type; + FFHWDeviceContext *device_ctx = (FFHWDeviceContext*)device_ref_in->data; + const HWContextType *hw_type = device_ctx->hw_type; + FFHWFramesContext *ctxi; AVHWFramesContext *ctx; AVBufferRef *buf, *device_ref = NULL; - ctx = av_mallocz(sizeof(*ctx)); - if (!ctx) + ctxi = av_mallocz(sizeof(*ctxi)); + if (!ctxi) return NULL; - - ctx->internal = av_mallocz(sizeof(*ctx->internal)); - if (!ctx->internal) - goto fail; - - if (hw_type->frames_priv_size) { - ctx->internal->priv = av_mallocz(hw_type->frames_priv_size); - if (!ctx->internal->priv) - goto fail; - } + ctx = &ctxi->p; if (hw_type->frames_hwctx_size) { ctx->hwctx = av_mallocz(hw_type->frames_hwctx_size); @@ -288,20 +276,16 @@ AVBufferRef *av_hwframe_ctx_alloc(AVBufferRef *device_ref_in) ctx->av_class = &hwframe_ctx_class; ctx->device_ref = device_ref; - ctx->device_ctx = device_ctx; + ctx->device_ctx = &device_ctx->p; ctx->format = AV_PIX_FMT_NONE; ctx->sw_format = AV_PIX_FMT_NONE; - ctx->internal->hw_type = hw_type; + ctxi->hw_type = hw_type; return buf; fail: - if (device_ref) - av_buffer_unref(&device_ref); - if (ctx->internal) - av_freep(&ctx->internal->priv); - av_freep(&ctx->internal); + av_buffer_unref(&device_ref); av_freep(&ctx->hwctx); av_freep(&ctx); return NULL; @@ -337,24 +321,25 @@ fail: int av_hwframe_ctx_init(AVBufferRef *ref) { - AVHWFramesContext *ctx = (AVHWFramesContext*)ref->data; + FFHWFramesContext *ctxi = (FFHWFramesContext*)ref->data; + AVHWFramesContext *ctx = &ctxi->p; const enum AVPixelFormat *pix_fmt; int ret; - if (ctx->internal->source_frames) { + if (ctxi->source_frames) { /* A derived frame context is already initialised. */ return 0; } /* validate the pixel format */ - for (pix_fmt = ctx->internal->hw_type->pix_fmts; *pix_fmt != AV_PIX_FMT_NONE; pix_fmt++) { + for (pix_fmt = ctxi->hw_type->pix_fmts; *pix_fmt != AV_PIX_FMT_NONE; pix_fmt++) { if (*pix_fmt == ctx->format) break; } if (*pix_fmt == AV_PIX_FMT_NONE) { av_log(ctx, AV_LOG_ERROR, "The hardware pixel format '%s' is not supported by the device type '%s'\n", - av_get_pix_fmt_name(ctx->format), ctx->internal->hw_type->name); + av_get_pix_fmt_name(ctx->format), ctxi->hw_type->name); return AVERROR(ENOSYS); } @@ -364,39 +349,35 @@ int av_hwframe_ctx_init(AVBufferRef *ref) return ret; /* format-specific init */ - if (ctx->internal->hw_type->frames_init) { - ret = ctx->internal->hw_type->frames_init(ctx); + if (ctxi->hw_type->frames_init) { + ret = ctxi->hw_type->frames_init(ctx); if (ret < 0) - goto fail; + return ret; } - if (ctx->internal->pool_internal && !ctx->pool) - ctx->pool = ctx->internal->pool_internal; + if (ctxi->pool_internal && !ctx->pool) + ctx->pool = ctxi->pool_internal; /* preallocate the frames in the pool, if requested */ if (ctx->initial_pool_size > 0) { ret = hwframe_pool_prealloc(ref); if (ret < 0) - goto fail; + return ret; } return 0; -fail: - if (ctx->internal->hw_type->frames_uninit) - ctx->internal->hw_type->frames_uninit(ctx); - return ret; } int av_hwframe_transfer_get_formats(AVBufferRef *hwframe_ref, enum AVHWFrameTransferDirection dir, enum AVPixelFormat **formats, int flags) { - AVHWFramesContext *ctx = (AVHWFramesContext*)hwframe_ref->data; + FFHWFramesContext *ctxi = (FFHWFramesContext*)hwframe_ref->data; - if (!ctx->internal->hw_type->transfer_get_formats) + if (!ctxi->hw_type->transfer_get_formats) return AVERROR(ENOSYS); - return ctx->internal->hw_type->transfer_get_formats(ctx, dir, formats); + return ctxi->hw_type->transfer_get_formats(&ctxi->p, dir, formats); } static int transfer_data_alloc(AVFrame *dst, const AVFrame *src, int flags) @@ -451,7 +432,6 @@ fail: int av_hwframe_transfer_data(AVFrame *dst, const AVFrame *src, int flags) { - AVHWFramesContext *ctx; int ret; if (!dst->buf[0]) @@ -464,41 +444,41 @@ int av_hwframe_transfer_data(AVFrame *dst, const AVFrame *src, int flags) * the specific combination of hardware. */ if (src->hw_frames_ctx && dst->hw_frames_ctx) { - AVHWFramesContext *src_ctx = - (AVHWFramesContext*)src->hw_frames_ctx->data; - AVHWFramesContext *dst_ctx = - (AVHWFramesContext*)dst->hw_frames_ctx->data; + FFHWFramesContext *src_ctx = + (FFHWFramesContext*)src->hw_frames_ctx->data; + FFHWFramesContext *dst_ctx = + (FFHWFramesContext*)dst->hw_frames_ctx->data; - if (src_ctx->internal->source_frames) { + if (src_ctx->source_frames) { av_log(src_ctx, AV_LOG_ERROR, "A device with a derived frame context cannot be used as " "the source of a HW -> HW transfer."); return AVERROR(ENOSYS); } - if (dst_ctx->internal->source_frames) { + if (dst_ctx->source_frames) { av_log(src_ctx, AV_LOG_ERROR, "A device with a derived frame context cannot be used as " "the destination of a HW -> HW transfer."); return AVERROR(ENOSYS); } - ret = src_ctx->internal->hw_type->transfer_data_from(src_ctx, dst, src); + ret = src_ctx->hw_type->transfer_data_from(&src_ctx->p, dst, src); if (ret == AVERROR(ENOSYS)) - ret = dst_ctx->internal->hw_type->transfer_data_to(dst_ctx, dst, src); + ret = dst_ctx->hw_type->transfer_data_to(&dst_ctx->p, dst, src); if (ret < 0) return ret; } else { if (src->hw_frames_ctx) { - ctx = (AVHWFramesContext*)src->hw_frames_ctx->data; + FFHWFramesContext *ctx = (FFHWFramesContext*)src->hw_frames_ctx->data; - ret = ctx->internal->hw_type->transfer_data_from(ctx, dst, src); + ret = ctx->hw_type->transfer_data_from(&ctx->p, dst, src); if (ret < 0) return ret; } else if (dst->hw_frames_ctx) { - ctx = (AVHWFramesContext*)dst->hw_frames_ctx->data; + FFHWFramesContext *ctx = (FFHWFramesContext*)dst->hw_frames_ctx->data; - ret = ctx->internal->hw_type->transfer_data_to(ctx, dst, src); + ret = ctx->hw_type->transfer_data_to(&ctx->p, dst, src); if (ret < 0) return ret; } else { @@ -510,10 +490,11 @@ int av_hwframe_transfer_data(AVFrame *dst, const AVFrame *src, int flags) int av_hwframe_get_buffer(AVBufferRef *hwframe_ref, AVFrame *frame, int flags) { - AVHWFramesContext *ctx = (AVHWFramesContext*)hwframe_ref->data; + FFHWFramesContext *ctxi = (FFHWFramesContext*)hwframe_ref->data; + AVHWFramesContext *ctx = &ctxi->p; int ret; - if (ctx->internal->source_frames) { + if (ctxi->source_frames) { // This is a derived frame context, so we allocate in the source // and map the frame immediately. AVFrame *src_frame; @@ -527,7 +508,7 @@ int av_hwframe_get_buffer(AVBufferRef *hwframe_ref, AVFrame *frame, int flags) if (!src_frame) return AVERROR(ENOMEM); - ret = av_hwframe_get_buffer(ctx->internal->source_frames, + ret = av_hwframe_get_buffer(ctxi->source_frames, src_frame, 0); if (ret < 0) { av_frame_free(&src_frame); @@ -535,7 +516,7 @@ int av_hwframe_get_buffer(AVBufferRef *hwframe_ref, AVFrame *frame, int flags) } ret = av_hwframe_map(frame, src_frame, - ctx->internal->source_allocation_map_flags); + ctxi->source_allocation_map_flags); if (ret) { av_log(ctx, AV_LOG_ERROR, "Failed to map frame into derived " "frame context: %d.\n", ret); @@ -550,7 +531,7 @@ int av_hwframe_get_buffer(AVBufferRef *hwframe_ref, AVFrame *frame, int flags) return 0; } - if (!ctx->internal->hw_type->frames_get_buffer) + if (!ctxi->hw_type->frames_get_buffer) return AVERROR(ENOSYS); if (!ctx->pool) @@ -560,7 +541,7 @@ int av_hwframe_get_buffer(AVBufferRef *hwframe_ref, AVFrame *frame, int flags) if (!frame->hw_frames_ctx) return AVERROR(ENOMEM); - ret = ctx->internal->hw_type->frames_get_buffer(ctx, frame); + ret = ctxi->hw_type->frames_get_buffer(ctx, frame); if (ret < 0) { av_buffer_unref(&frame->hw_frames_ctx); return ret; @@ -573,8 +554,8 @@ int av_hwframe_get_buffer(AVBufferRef *hwframe_ref, AVFrame *frame, int flags) void *av_hwdevice_hwconfig_alloc(AVBufferRef *ref) { - AVHWDeviceContext *ctx = (AVHWDeviceContext*)ref->data; - const HWContextType *hw_type = ctx->internal->hw_type; + FFHWDeviceContext *ctx = (FFHWDeviceContext*)ref->data; + const HWContextType *hw_type = ctx->hw_type; if (hw_type->device_hwconfig_size == 0) return NULL; @@ -585,8 +566,8 @@ void *av_hwdevice_hwconfig_alloc(AVBufferRef *ref) AVHWFramesConstraints *av_hwdevice_get_hwframe_constraints(AVBufferRef *ref, const void *hwconfig) { - AVHWDeviceContext *ctx = (AVHWDeviceContext*)ref->data; - const HWContextType *hw_type = ctx->internal->hw_type; + FFHWDeviceContext *ctx = (FFHWDeviceContext*)ref->data; + const HWContextType *hw_type = ctx->hw_type; AVHWFramesConstraints *constraints; if (!hw_type->frames_get_constraints) @@ -599,7 +580,7 @@ AVHWFramesConstraints *av_hwdevice_get_hwframe_constraints(AVBufferRef *ref, constraints->min_width = constraints->min_height = 0; constraints->max_width = constraints->max_height = INT_MAX; - if (hw_type->frames_get_constraints(ctx, hwconfig, constraints) >= 0) { + if (hw_type->frames_get_constraints(&ctx->p, hwconfig, constraints) >= 0) { return constraints; } else { av_hwframe_constraints_free(&constraints); @@ -620,7 +601,7 @@ int av_hwdevice_ctx_create(AVBufferRef **pdevice_ref, enum AVHWDeviceType type, const char *device, AVDictionary *opts, int flags) { AVBufferRef *device_ref = NULL; - AVHWDeviceContext *device_ctx; + FFHWDeviceContext *device_ctx; int ret = 0; device_ref = av_hwdevice_ctx_alloc(type); @@ -628,15 +609,15 @@ int av_hwdevice_ctx_create(AVBufferRef **pdevice_ref, enum AVHWDeviceType type, ret = AVERROR(ENOMEM); goto fail; } - device_ctx = (AVHWDeviceContext*)device_ref->data; + device_ctx = (FFHWDeviceContext*)device_ref->data; - if (!device_ctx->internal->hw_type->device_create) { + if (!device_ctx->hw_type->device_create) { ret = AVERROR(ENOSYS); goto fail; } - ret = device_ctx->internal->hw_type->device_create(device_ctx, device, - opts, flags); + ret = device_ctx->hw_type->device_create(&device_ctx->p, device, + opts, flags); if (ret < 0) goto fail; @@ -658,13 +639,13 @@ int av_hwdevice_ctx_create_derived_opts(AVBufferRef **dst_ref_ptr, AVDictionary *options, int flags) { AVBufferRef *dst_ref = NULL, *tmp_ref; - AVHWDeviceContext *dst_ctx, *tmp_ctx; + FFHWDeviceContext *dst_ctx; int ret = 0; tmp_ref = src_ref; while (tmp_ref) { - tmp_ctx = (AVHWDeviceContext*)tmp_ref->data; - if (tmp_ctx->type == type) { + FFHWDeviceContext *tmp_ctx = (FFHWDeviceContext*)tmp_ref->data; + if (tmp_ctx->p.type == type) { dst_ref = av_buffer_ref(tmp_ref); if (!dst_ref) { ret = AVERROR(ENOMEM); @@ -672,7 +653,7 @@ int av_hwdevice_ctx_create_derived_opts(AVBufferRef **dst_ref_ptr, } goto done; } - tmp_ref = tmp_ctx->internal->source_device; + tmp_ref = tmp_ctx->source_device; } dst_ref = av_hwdevice_ctx_alloc(type); @@ -680,19 +661,18 @@ int av_hwdevice_ctx_create_derived_opts(AVBufferRef **dst_ref_ptr, ret = AVERROR(ENOMEM); goto fail; } - dst_ctx = (AVHWDeviceContext*)dst_ref->data; + dst_ctx = (FFHWDeviceContext*)dst_ref->data; tmp_ref = src_ref; while (tmp_ref) { - tmp_ctx = (AVHWDeviceContext*)tmp_ref->data; - if (dst_ctx->internal->hw_type->device_derive) { - ret = dst_ctx->internal->hw_type->device_derive(dst_ctx, - tmp_ctx, - options, - flags); + FFHWDeviceContext *tmp_ctx = (FFHWDeviceContext*)tmp_ref->data; + if (dst_ctx->hw_type->device_derive) { + ret = dst_ctx->hw_type->device_derive(&dst_ctx->p, + &tmp_ctx->p, + options, flags); if (ret == 0) { - dst_ctx->internal->source_device = av_buffer_ref(src_ref); - if (!dst_ctx->internal->source_device) { + dst_ctx->source_device = av_buffer_ref(src_ref); + if (!dst_ctx->source_device) { ret = AVERROR(ENOMEM); goto fail; } @@ -704,7 +684,7 @@ int av_hwdevice_ctx_create_derived_opts(AVBufferRef **dst_ref_ptr, if (ret != AVERROR(ENOSYS)) goto fail; } - tmp_ref = tmp_ctx->internal->source_device; + tmp_ref = tmp_ctx->source_device; } ret = AVERROR(ENOSYS); @@ -799,19 +779,18 @@ int av_hwframe_map(AVFrame *dst, const AVFrame *src, int flags) { AVBufferRef *orig_dst_frames = dst->hw_frames_ctx; enum AVPixelFormat orig_dst_fmt = dst->format; - AVHWFramesContext *src_frames, *dst_frames; HWMapDescriptor *hwmap; int ret; if (src->hw_frames_ctx && dst->hw_frames_ctx) { - src_frames = (AVHWFramesContext*)src->hw_frames_ctx->data; - dst_frames = (AVHWFramesContext*)dst->hw_frames_ctx->data; + FFHWFramesContext *src_frames = (FFHWFramesContext*)src->hw_frames_ctx->data; + FFHWFramesContext *dst_frames = (FFHWFramesContext*)dst->hw_frames_ctx->data; if ((src_frames == dst_frames && - src->format == dst_frames->sw_format && - dst->format == dst_frames->format) || - (src_frames->internal->source_frames && - src_frames->internal->source_frames->data == + src->format == dst_frames->p.sw_format && + dst->format == dst_frames->p.format) || + (src_frames->source_frames && + src_frames->source_frames->data == (uint8_t*)dst_frames)) { // This is an unmap operation. We don't need to directly // do anything here other than fill in the original frame, @@ -828,12 +807,12 @@ int av_hwframe_map(AVFrame *dst, const AVFrame *src, int flags) } if (src->hw_frames_ctx) { - src_frames = (AVHWFramesContext*)src->hw_frames_ctx->data; + FFHWFramesContext *src_frames = (FFHWFramesContext*)src->hw_frames_ctx->data; - if (src_frames->format == src->format && - src_frames->internal->hw_type->map_from) { - ret = src_frames->internal->hw_type->map_from(src_frames, - dst, src, flags); + if (src_frames->p.format == src->format && + src_frames->hw_type->map_from) { + ret = src_frames->hw_type->map_from(&src_frames->p, + dst, src, flags); if (ret >= 0) return ret; else if (ret != AVERROR(ENOSYS)) @@ -842,12 +821,12 @@ int av_hwframe_map(AVFrame *dst, const AVFrame *src, int flags) } if (dst->hw_frames_ctx) { - dst_frames = (AVHWFramesContext*)dst->hw_frames_ctx->data; + FFHWFramesContext *dst_frames = (FFHWFramesContext*)dst->hw_frames_ctx->data; - if (dst_frames->format == dst->format && - dst_frames->internal->hw_type->map_to) { - ret = dst_frames->internal->hw_type->map_to(dst_frames, - dst, src, flags); + if (dst_frames->p.format == dst->format && + dst_frames->hw_type->map_to) { + ret = dst_frames->hw_type->map_to(&dst_frames->p, + dst, src, flags); if (ret >= 0) return ret; else if (ret != AVERROR(ENOSYS)) @@ -881,21 +860,21 @@ int av_hwframe_ctx_create_derived(AVBufferRef **derived_frame_ctx, int flags) { AVBufferRef *dst_ref = NULL; - AVHWFramesContext *dst = NULL; - AVHWFramesContext *src = (AVHWFramesContext*)source_frame_ctx->data; + FFHWFramesContext *dsti = NULL; + FFHWFramesContext *srci = (FFHWFramesContext*)source_frame_ctx->data; + AVHWFramesContext *dst, *src = &srci->p; int ret; - if (src->internal->source_frames) { + if (srci->source_frames) { AVHWFramesContext *src_src = - (AVHWFramesContext*)src->internal->source_frames->data; + (AVHWFramesContext*)srci->source_frames->data; AVHWDeviceContext *dst_dev = (AVHWDeviceContext*)derived_device_ctx->data; if (src_src->device_ctx == dst_dev) { // This is actually an unmapping, so we just return a // reference to the source frame context. - *derived_frame_ctx = - av_buffer_ref(src->internal->source_frames); + *derived_frame_ctx = av_buffer_ref(srci->source_frames); if (!*derived_frame_ctx) { ret = AVERROR(ENOMEM); goto fail; @@ -910,31 +889,32 @@ int av_hwframe_ctx_create_derived(AVBufferRef **derived_frame_ctx, goto fail; } - dst = (AVHWFramesContext*)dst_ref->data; + dsti = (FFHWFramesContext*)dst_ref->data; + dst = &dsti->p; dst->format = format; dst->sw_format = src->sw_format; dst->width = src->width; dst->height = src->height; - dst->internal->source_frames = av_buffer_ref(source_frame_ctx); - if (!dst->internal->source_frames) { + dsti->source_frames = av_buffer_ref(source_frame_ctx); + if (!dsti->source_frames) { ret = AVERROR(ENOMEM); goto fail; } - dst->internal->source_allocation_map_flags = + dsti->source_allocation_map_flags = flags & (AV_HWFRAME_MAP_READ | AV_HWFRAME_MAP_WRITE | AV_HWFRAME_MAP_OVERWRITE | AV_HWFRAME_MAP_DIRECT); ret = AVERROR(ENOSYS); - if (src->internal->hw_type->frames_derive_from) - ret = src->internal->hw_type->frames_derive_from(dst, src, flags); + if (srci->hw_type->frames_derive_from) + ret = srci->hw_type->frames_derive_from(dst, src, flags); if (ret == AVERROR(ENOSYS) && - dst->internal->hw_type->frames_derive_to) - ret = dst->internal->hw_type->frames_derive_to(dst, src, flags); + dsti->hw_type->frames_derive_to) + ret = dsti->hw_type->frames_derive_to(dst, src, flags); if (ret == AVERROR(ENOSYS)) ret = 0; if (ret) @@ -944,8 +924,8 @@ int av_hwframe_ctx_create_derived(AVBufferRef **derived_frame_ctx, return 0; fail: - if (dst) - av_buffer_unref(&dst->internal->source_frames); + if (dsti) + av_buffer_unref(&dsti->source_frames); av_buffer_unref(&dst_ref); return ret; } |