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vkh264dec: make GstVulkanH264Picture a reference count

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Thus we could re-use the same structure for interlaced fields: a single bistream,
single output buffer and single vulkan structures.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7854>
This commit is contained in:
Víctor Manuel Jáquez Leal 2024-06-21 16:43:52 +02:00 committed by GStreamer Marge Bot
parent c38a847fe1
commit f5f20ce85e
1 changed files with 22 additions and 6 deletions
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28
subprojects/gst-plugins-bad/ext/vulkan/vkh264dec.c
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@ -64,6 +64,7 @@ struct _GstVulkanH264Picture
StdVideoDecodeH264PictureInfo std_h264pic; StdVideoDecodeH264PictureInfo std_h264pic;
gint32 slot_idx; gint32 slot_idx;
guint ref_count;
}; };
struct _GstVulkanH264Decoder struct _GstVulkanH264Decoder
@ -401,11 +402,19 @@ gst_vulkan_h264_picture_new (GstVulkanH264Decoder * self, GstBuffer * out)
GstVulkanH264Picture *pic; GstVulkanH264Picture *pic;
pic = g_new0 (GstVulkanH264Picture, 1); pic = g_new0 (GstVulkanH264Picture, 1);
g_atomic_int_inc (&pic->ref_count);
gst_vulkan_decoder_picture_init (self->decoder, &pic->base, out); gst_vulkan_decoder_picture_init (self->decoder, &pic->base, out);
return pic; return pic;
} }
static inline gpointer
gst_vulkan_h264_picture_ref (GstVulkanH264Picture * pic)
{
g_atomic_int_inc (&pic->ref_count);
return pic;
}
static void static void
gst_vulkan_h264_picture_free (gpointer data) gst_vulkan_h264_picture_free (gpointer data)
{ {
@ -415,6 +424,14 @@ gst_vulkan_h264_picture_free (gpointer data)
g_free (pic); g_free (pic);
} }
static inline void
gst_vulkan_h264_picture_unref (gpointer data)
{
GstVulkanH264Picture *pic = data;
if (g_atomic_int_dec_and_test (&pic->ref_count))
gst_vulkan_h264_picture_free (data);
}
static VkVideoChromaSubsamplingFlagBitsKHR static VkVideoChromaSubsamplingFlagBitsKHR
_get_chroma_subsampling_flag (guint8 chroma_format_idc) _get_chroma_subsampling_flag (guint8 chroma_format_idc)
{ {
@ -666,7 +683,7 @@ gst_vulkan_h264_decoder_new_picture (GstH264Decoder * decoder,
goto allocation_failed; goto allocation_failed;
pic = gst_vulkan_h264_picture_new (self, frame->output_buffer); pic = gst_vulkan_h264_picture_new (self, frame->output_buffer);
gst_h264_picture_set_user_data (picture, pic, gst_vulkan_h264_picture_free); gst_h264_picture_set_user_data (picture, pic, gst_vulkan_h264_picture_unref);
return GST_FLOW_OK; return GST_FLOW_OK;
@ -683,7 +700,7 @@ gst_vulkan_h264_decoder_new_field_picture (GstH264Decoder * decoder,
GstH264Picture * first_field, GstH264Picture * second_field) GstH264Picture * first_field, GstH264Picture * second_field)
{ {
GstVulkanH264Decoder *self = GST_VULKAN_H264_DECODER (decoder); GstVulkanH264Decoder *self = GST_VULKAN_H264_DECODER (decoder);
GstVulkanH264Picture *first_pic, *second_pic; GstVulkanH264Picture *first_pic;
GST_TRACE_OBJECT (self, "New field picture"); GST_TRACE_OBJECT (self, "New field picture");
@ -691,11 +708,10 @@ gst_vulkan_h264_decoder_new_field_picture (GstH264Decoder * decoder,
if (!first_pic) if (!first_pic)
return GST_FLOW_ERROR; return GST_FLOW_ERROR;
second_pic = gst_vulkan_h264_picture_new (self, first_pic->base.out); gst_h264_picture_set_user_data (second_field,
gst_h264_picture_set_user_data (second_field, second_pic, gst_vulkan_h264_picture_ref (first_pic), gst_vulkan_h264_picture_unref);
gst_vulkan_h264_picture_free);
GST_LOG_OBJECT (self, "New vulkan decode picture %p", second_pic); GST_LOG_OBJECT (self, "New vulkan decode picture %p", second_field);
return GST_FLOW_OK; return GST_FLOW_OK;
} }