31 #define BRIGHTNESS_MIN -100.0F
32 #define BRIGHTNESS_MAX 100.0F
33 #define BRIGHTNESS_DEFAULT 0.0F
35 #define CONTRAST_MIN 0.0F
36 #define CONTRAST_MAX 10.0F
37 #define CONTRAST_DEFAULT 1.0F
39 #define HUE_MIN -180.0F
40 #define HUE_MAX 180.0F
41 #define HUE_DEFAULT 0.0F
43 #define SATURATION_MIN 0.0F
44 #define SATURATION_MAX 10.0F
45 #define SATURATION_DEFAULT 1.0F
56 static float map(
float x,
float in_min,
float in_max,
float out_min,
float out_max)
60 slope = 1.0 * (out_max - out_min) / (in_max - in_min);
61 output = out_min + slope * (x - in_min);
71 VAProcFilterParameterBufferColorBalance procamp_params[4];
72 VAProcFilterCapColorBalance procamp_caps[VAProcColorBalanceCount];
76 memset(&procamp_params, 0,
sizeof(procamp_params));
77 memset(&procamp_caps, 0,
sizeof(procamp_caps));
79 num_caps = VAProcColorBalanceCount;
81 VAProcFilterColorBalance, &procamp_caps, &num_caps);
83 if (vas != VA_STATUS_SUCCESS) {
85 "filter caps: %d (%s).\n", vas, vaErrorStr(vas));
90 procamp_params[
i].type = VAProcFilterColorBalance;
91 procamp_params[
i].attrib = VAProcColorBalanceBrightness;
93 procamp_caps[VAProcColorBalanceBrightness-1].range.min_value,
94 procamp_caps[VAProcColorBalanceBrightness-1].range.max_value);
98 procamp_params[
i].type = VAProcFilterColorBalance;
99 procamp_params[
i].attrib = VAProcColorBalanceContrast;
101 procamp_caps[VAProcColorBalanceContrast-1].range.min_value,
102 procamp_caps[VAProcColorBalanceContrast-1].range.max_value);
106 procamp_params[
i].type = VAProcFilterColorBalance;
107 procamp_params[
i].attrib = VAProcColorBalanceHue;
109 procamp_caps[VAProcColorBalanceHue-1].range.min_value,
110 procamp_caps[VAProcColorBalanceHue-1].range.max_value);
114 procamp_params[
i].type = VAProcFilterColorBalance;
115 procamp_params[
i].attrib = VAProcColorBalanceSaturation;
117 procamp_caps[VAProcColorBalanceSaturation-1].range.min_value,
118 procamp_caps[VAProcColorBalanceSaturation-1].range.max_value);
122 VAProcFilterParameterBufferType,
124 sizeof(procamp_params[0]),
134 VAProcPipelineParameterBuffer params;
161 params.num_filters = 1;
193 #define OFFSET(x) offsetof(ProcampVAAPIContext, x)
194 #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM)
196 {
"b",
"Output video brightness",
198 {
"brightness",
"Output video brightness",
200 {
"s",
"Output video saturation",
202 {
"saturatio",
"Output video saturation",
204 {
"c",
"Output video contrast",
206 {
"contrast",
"Output video contrast",
208 {
"h",
"Output video hue",
210 {
"hue",
"Output video hue",
237 .
name =
"procamp_vaapi",
238 .description =
NULL_IF_CONFIG_SMALL(
"ProcAmp (color balance) adjustments for hue, saturation, brightness, contrast"),
245 .priv_class = &procamp_vaapi_class,
static int query_formats(AVFilterContext *ctx)
static const AVFilterPad inputs[]
static const AVFilterPad outputs[]
simple assert() macros that are a bit more flexible than ISO C assert().
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
Main libavfilter public API header.
static av_cold int init(AVCodecContext *avctx)
static av_cold int uninit(AVCodecContext *avctx)
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
static int output_frame(H264Context *h, AVFrame *dst, H264Picture *srcp)
#define FF_FILTER_FLAG_HWFRAME_AWARE
The filter is aware of hardware frames, and any hardware frame context should not be automatically pr...
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Memory handling functions.
const char * av_get_pix_fmt_name(enum AVPixelFormat pix_fmt)
Return the short name for a pixel format, NULL in case pix_fmt is unknown.
void * priv
private data for use by the filter
AVFilterLink ** outputs
array of pointers to output links
A link between two filters.
AVFilterContext * dst
dest filter
A filter pad used for either input or output.
const char * name
Pad name.
const char * name
Filter name.
This structure describes decoded (raw) audio or video data.
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
int format
format of the frame, -1 if unknown or unset Values correspond to enum AVPixelFormat for video frames,...
VADisplay display
The VADisplay handle, to be filled by the user.
VABufferID filter_buffers[VAProcFilterCount]
void(* pipeline_uninit)(AVFilterContext *avctx)
enum AVPixelFormat output_format
int(* build_filter_params)(AVFilterContext *avctx)
AVVAAPIDeviceContext * hwctx
int ff_vaapi_vpp_config_output(AVFilterLink *outlink)
int ff_vaapi_vpp_config_input(AVFilterLink *inlink)
void ff_vaapi_vpp_pipeline_uninit(AVFilterContext *avctx)
void ff_vaapi_vpp_ctx_init(AVFilterContext *avctx)
int ff_vaapi_vpp_make_param_buffers(AVFilterContext *avctx, int type, const void *data, size_t size, int count)
int ff_vaapi_vpp_init_params(AVFilterContext *avctx, VAProcPipelineParameterBuffer *params, const AVFrame *input_frame, AVFrame *output_frame)
int ff_vaapi_vpp_render_picture(AVFilterContext *avctx, VAProcPipelineParameterBuffer *params, AVFrame *output_frame)
void ff_vaapi_vpp_ctx_uninit(AVFilterContext *avctx)
int ff_vaapi_vpp_query_formats(AVFilterContext *avctx)
static av_cold int procamp_vaapi_init(AVFilterContext *avctx)
#define SATURATION_DEFAULT
static int procamp_vaapi_build_filter_params(AVFilterContext *avctx)
static const AVFilterPad procamp_vaapi_inputs[]
static float map(float x, float in_min, float in_max, float out_min, float out_max)
static int procamp_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
static const AVFilterPad procamp_vaapi_outputs[]
#define BRIGHTNESS_DEFAULT
AVFilter ff_vf_procamp_vaapi
static const AVOption procamp_vaapi_options[]
AVFILTER_DEFINE_CLASS(procamp_vaapi)
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.