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vf_scale_vaapi: Add options to configure output colour properties 

The "out_color_matrix" and "out_range" properties match the same options
in vf_scale; the others attempt to follow the same pattern.
This commit is contained in:
Mark Thompson 2019-02-28 00:38:09 +00:00
parent 5051b7f898
commit ef2f89bbcc
1 changed files with 70 additions and 0 deletions
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70
libavfilter/vf_scale_vaapi.c
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@ -39,6 +39,17 @@ typedef struct ScaleVAAPIContext {
char *w_expr; // width expression string
char *h_expr; // height expression string
char *colour_primaries_string;
char *colour_transfer_string;
char *colour_matrix_string;
int colour_range;
char *chroma_location_string;
enum AVColorPrimaries colour_primaries;
enum AVColorTransferCharacteristic colour_transfer;
enum AVColorSpace colour_matrix;
enum AVChromaLocation chroma_location;
} ScaleVAAPIContext;
static const char *scale_vaapi_mode_name(int mode)
@ -110,6 +121,17 @@ static int scale_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
if (err < 0)
return err;
if (ctx->colour_primaries != AVCOL_PRI_UNSPECIFIED)
output_frame->color_primaries = ctx->colour_primaries;
if (ctx->colour_transfer != AVCOL_TRC_UNSPECIFIED)
output_frame->color_trc = ctx->colour_transfer;
if (ctx->colour_matrix != AVCOL_SPC_UNSPECIFIED)
output_frame->colorspace = ctx->colour_matrix;
if (ctx->colour_range != AVCOL_RANGE_UNSPECIFIED)
output_frame->color_range = ctx->colour_range;
if (ctx->chroma_location != AVCHROMA_LOC_UNSPECIFIED)
output_frame->chroma_location = ctx->chroma_location;
err = ff_vaapi_vpp_init_params(avctx, &params,
input_frame, output_frame);
if (err < 0)
@ -155,6 +177,24 @@ static av_cold int scale_vaapi_init(AVFilterContext *avctx)
vpp_ctx->output_format = AV_PIX_FMT_NONE;
}
#define STRING_OPTION(var_name, func_name, default_value) do { \
if (ctx->var_name ## _string) { \
int var = av_ ## func_name ## _from_name(ctx->var_name ## _string); \
if (var < 0) { \
av_log(avctx, AV_LOG_ERROR, "Invalid %s.\n", #var_name); \
return AVERROR(EINVAL); \
} \
ctx->var_name = var; \
} else { \
ctx->var_name = default_value; \
} \
} while (0)
STRING_OPTION(colour_primaries, color_primaries, AVCOL_PRI_UNSPECIFIED);
STRING_OPTION(colour_transfer, color_transfer, AVCOL_TRC_UNSPECIFIED);
STRING_OPTION(colour_matrix, color_space, AVCOL_SPC_UNSPECIFIED);
STRING_OPTION(chroma_location, chroma_location, AVCHROMA_LOC_UNSPECIFIED);
return 0;
}
@ -178,6 +218,36 @@ static const AVOption scale_vaapi_options[] = {
0, AV_OPT_TYPE_CONST, { .i64 = VA_FILTER_SCALING_HQ }, 0, 0, FLAGS, "mode" },
{ "nl_anamorphic", "Use nolinear anamorphic scaling algorithm",
0, AV_OPT_TYPE_CONST, { .i64 = VA_FILTER_SCALING_NL_ANAMORPHIC }, 0, 0, FLAGS, "mode" },
// These colour properties match the ones of the same name in vf_scale.
{ "out_color_matrix", "Output colour matrix coefficient set",
OFFSET(colour_matrix_string), AV_OPT_TYPE_STRING, { .str = NULL }, .flags = FLAGS },
{ "out_range", "Output colour range",
OFFSET(colour_range), AV_OPT_TYPE_INT, { .i64 = AVCOL_RANGE_UNSPECIFIED },
AVCOL_RANGE_UNSPECIFIED, AVCOL_RANGE_JPEG, FLAGS, "range" },
{ "full", "Full range",
0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
{ "limited", "Limited range",
0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
{ "jpeg", "Full range",
0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
{ "mpeg", "Limited range",
0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
{ "tv", "Limited range",
0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
{ "pc", "Full range",
0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
// These colour properties are new here.
{ "out_color_primaries", "Output colour primaries",
OFFSET(colour_primaries_string), AV_OPT_TYPE_STRING,
{ .str = NULL }, .flags = FLAGS },
{ "out_color_transfer", "Output colour transfer characteristics",
OFFSET(colour_transfer_string), AV_OPT_TYPE_STRING,
{ .str = NULL }, .flags = FLAGS },
{ "out_chroma_location", "Output chroma sample location",
OFFSET(chroma_location_string), AV_OPT_TYPE_STRING,
{ .str = NULL }, .flags = FLAGS },
{ NULL },
};