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alpha: Refactor param/process functions

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When ::set_info() is called, the input/output VideoInfo aren't set
yet on the videofilter.
This commit is contained in:
Edward Hervey 2012-01-04 13:25:40 +01:00
parent 47a1da9076
commit 4b2a0aba06
1 changed files with 26 additions and 13 deletions
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39
gst/alpha/gstalpha.c
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@ -167,8 +167,12 @@ static gboolean gst_alpha_set_info (GstVideoFilter * filter,
static GstFlowReturn gst_alpha_transform_frame (GstVideoFilter * filter,
GstVideoFrame * in_frame, GstVideoFrame * out_frame);
static void gst_alpha_init_params_full (GstAlpha * alpha,
const GstVideoFormatInfo * in_info, const GstVideoFormatInfo * out_info);
static void gst_alpha_init_params (GstAlpha * alpha);
static gboolean gst_alpha_set_process_function (GstAlpha * alpha);
static gboolean gst_alpha_set_process_function_full (GstAlpha * alpha,
GstVideoInfo * in_info, GstVideoInfo * out_info);
static void gst_alpha_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
@ -524,10 +528,11 @@ gst_alpha_set_info (GstVideoFilter * filter,
gst_base_transform_set_passthrough (GST_BASE_TRANSFORM_CAST (filter),
passthrough);
if (!gst_alpha_set_process_function (alpha) && !passthrough)
if (!gst_alpha_set_process_function_full (alpha, in_info, out_info)
&& !passthrough)
goto no_process;
gst_alpha_init_params (alpha);
gst_alpha_init_params_full (alpha, in_info->finfo, out_info->finfo);
GST_ALPHA_UNLOCK (alpha);
@ -2286,18 +2291,15 @@ gst_alpha_chroma_key_packed_422_argb (const GstVideoFrame * in_frame,
/* Protected with the alpha lock */
static void
gst_alpha_init_params (GstAlpha * alpha)
gst_alpha_init_params_full (GstAlpha * alpha,
const GstVideoFormatInfo * in_info, const GstVideoFormatInfo * out_info)
{
gfloat kgl;
gfloat tmp;
gfloat tmp1, tmp2;
gfloat y;
const GstVideoFormatInfo *in_info, *out_info;
const gint *matrix;
in_info = GST_VIDEO_FILTER (alpha)->in_info.finfo;
out_info = GST_VIDEO_FILTER (alpha)->out_info.finfo;
/* RGB->RGB: convert to SDTV YUV, chroma keying, convert back
* YUV->RGB: chroma keying, convert to RGB
* RGB->YUV: convert to YUV, chroma keying
@ -2356,17 +2358,20 @@ gst_alpha_init_params (GstAlpha * alpha)
alpha->noise_level2 = alpha->noise_level * alpha->noise_level;
}
static void
gst_alpha_init_params (GstAlpha * alpha)
{
gst_alpha_init_params_full (alpha, GST_VIDEO_FILTER (alpha)->in_info.finfo,
GST_VIDEO_FILTER (alpha)->out_info.finfo);
}
/* Protected with the alpha lock */
static gboolean
gst_alpha_set_process_function (GstAlpha * alpha)
gst_alpha_set_process_function_full (GstAlpha * alpha, GstVideoInfo * in_info,
GstVideoInfo * out_info)
{
GstVideoInfo *in_info, *out_info;
alpha->process = NULL;
in_info = &GST_VIDEO_FILTER_CAST (alpha)->in_info;
out_info = &GST_VIDEO_FILTER_CAST (alpha)->out_info;
switch (alpha->method) {
case ALPHA_METHOD_SET:
switch (GST_VIDEO_INFO_FORMAT (out_info)) {
@ -2536,6 +2541,14 @@ gst_alpha_set_process_function (GstAlpha * alpha)
return alpha->process != NULL;
}
static gboolean
gst_alpha_set_process_function (GstAlpha * alpha)
{
return gst_alpha_set_process_function_full (alpha,
&GST_VIDEO_FILTER_CAST (alpha)->in_info,
&GST_VIDEO_FILTER_CAST (alpha)->out_info);
}
static void
gst_alpha_before_transform (GstBaseTransform * btrans, GstBuffer * buf)
{