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MediaCodec: don't access ATL_codec_context in render_frame callback

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The ATL_codec_context may have been freed already, when MediaCodec.release() was called
This commit is contained in:
Julian Winkler
2024-05-13 22:29:10 +02:00
parent b28e90a75c
commit 3cc7070839
1 changed files with 20 additions and 6 deletions
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26
src/api-impl-jni/media/android_media_MediaCodec.c
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@@ -151,7 +151,16 @@ static enum AVPixelFormat get_hw_format(AVCodecContext *ctx,
return AV_PIX_FMT_NONE;
}
struct render_frame_data {AVFrame *frame; struct ATL_codec_context *ctx; AVFrame *drm_frame;};
struct render_frame_data {
AVFrame *frame;
AVFrame *drm_frame;
#if GTK_CHECK_VERSION(4, 14, 0)
GtkPicture *gtk_picture;
#else
struct zwp_linux_dmabuf_v1 *zwp_linux_dmabuf_v1;
struct ANativeWindow *native_window;
#endif
};
#if GTK_CHECK_VERSION(4, 14, 0)
static void handle_dmabuftexture_destroy(void *data)
@@ -495,7 +504,6 @@ static gboolean render_frame(void *data)
{
struct render_frame_data *d = (struct render_frame_data *)data;
AVFrame *frame = d->frame;
struct ATL_codec_context *ctx = d->ctx;
int ret;
AVFrame *drm_frame = d->drm_frame = av_frame_alloc();
@@ -513,17 +521,17 @@ static gboolean render_frame(void *data)
#if GTK_CHECK_VERSION(4, 14, 0)
GdkTexture *texture = import_drm_frame_desc_as_texture(drm_frame_desc, drm_frame->width, drm_frame->height, d);
gtk_picture_set_paintable(ctx->video.gtk_picture, GDK_PAINTABLE(texture));
gtk_picture_set_paintable(d->gtk_picture, GDK_PAINTABLE(texture));
g_object_unref(texture);
#else
struct wl_buffer *wl_buffer = import_drm_frame_desc(ctx->video.zwp_linux_dmabuf_v1,
struct wl_buffer *wl_buffer = import_drm_frame_desc(d->zwp_linux_dmabuf_v1,
drm_frame_desc, drm_frame->width, drm_frame->height);
if (!wl_buffer) {
exit(1);
}
wl_buffer_add_listener(wl_buffer, &buffer_listener, frame);
struct ANativeWindow *native_window = ctx->video.native_window;
struct ANativeWindow *native_window = d->native_window;
wl_surface_damage(native_window->wayland_surface, 0, 0, INT32_MAX, INT32_MAX);
wl_surface_attach(native_window->wayland_surface, wl_buffer, 0, 0);
@@ -547,6 +555,7 @@ JNIEXPORT void JNICALL Java_android_media_MediaCodec_native_1releaseOutputBuffer
if (ctx->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
AVFrame **raw_buffer = get_nio_buffer(env, buffer, &array_ref, &array);
frame = *raw_buffer;
*raw_buffer = NULL;
release_nio_buffer(env, array_ref, array);
if (!render) {
@@ -557,7 +566,12 @@ JNIEXPORT void JNICALL Java_android_media_MediaCodec_native_1releaseOutputBuffer
struct render_frame_data *data = malloc(sizeof(struct render_frame_data));
data->frame = frame;
data->ctx = ctx;
#if GTK_CHECK_VERSION(4, 14, 0)
data->gtk_picture = ctx->video.gtk_picture;
#else
data->native_window = ctx->video.native_window;
data->zwp_linux_dmabuf_v1 = ctx->video.zwp_linux_dmabuf_v1;
#endif
g_idle_add(render_frame, data);
}
}