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authorVittorio Giovara <vittorio.giovara@gmail.com>2015-11-09 03:15:06 +0100
committerVittorio Giovara <vittorio.giovara@gmail.com>2016-01-21 15:33:19 -0500
commit2862b63783b5556f7f3fb2d097629bc6879f833a (patch)
tree990909a954f2ce1a6cd5ed5f7e94c305426b5b66 /libavcodec/pngenc.c
parent243df1351d2d928caa084a5704ed783f0b83f072 (diff)
lavc: Move prediction_method to codec private options
This options is only used by huffyuv, ffvhuv, jpegls, mjpeg, mpegvideoenc, png, utvideo. It is a very codec-specific options, so deprecate the global variant. Set proper limits to the maximum allowed values, and update utvideoenc tests to use the new option name. Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
Diffstat (limited to 'libavcodec/pngenc.c')
-rw-r--r--libavcodec/pngenc.c35
1 files changed, 32 insertions, 3 deletions
diff --git a/libavcodec/pngenc.c b/libavcodec/pngenc.c
index 28df5af066..f91c54c7de 100644
--- a/libavcodec/pngenc.c
+++ b/libavcodec/pngenc.c
@@ -19,6 +19,7 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include "libavutil/opt.h"
#include "libavutil/stereo3d.h"
#include "avcodec.h"
@@ -35,6 +36,7 @@
#define IOBUF_SIZE 4096
typedef struct PNGEncContext {
+ AVClass *class;
HuffYUVEncDSPContext hdsp;
uint8_t *bytestream;
@@ -486,21 +488,48 @@ FF_ENABLE_DEPRECATION_WARNINGS
ff_huffyuvencdsp_init(&s->hdsp);
- s->filter_type = av_clip(avctx->prediction_method,
- PNG_FILTER_VALUE_NONE,
- PNG_FILTER_VALUE_MIXED);
+#if FF_API_PRIVATE_OPT
+FF_DISABLE_DEPRECATION_WARNINGS
+ if (avctx->prediction_method)
+ s->filter_type = av_clip(avctx->prediction_method,
+ PNG_FILTER_VALUE_NONE,
+ PNG_FILTER_VALUE_MIXED);
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
if (avctx->pix_fmt == AV_PIX_FMT_MONOBLACK)
s->filter_type = PNG_FILTER_VALUE_NONE;
return 0;
}
+#define OFFSET(x) offsetof(PNGEncContext, x)
+#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
+static const AVOption options[] = {
+{ "pred", "Prediction method", OFFSET(filter_type), AV_OPT_TYPE_INT, { .i64 = PNG_FILTER_VALUE_NONE }, PNG_FILTER_VALUE_NONE, PNG_FILTER_VALUE_MIXED, VE, "pred" },
+ { "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PNG_FILTER_VALUE_NONE }, INT_MIN, INT_MAX, VE, "pred" },
+ { "sub", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PNG_FILTER_VALUE_SUB }, INT_MIN, INT_MAX, VE, "pred" },
+ { "up", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PNG_FILTER_VALUE_UP }, INT_MIN, INT_MAX, VE, "pred" },
+ { "avg", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PNG_FILTER_VALUE_AVG }, INT_MIN, INT_MAX, VE, "pred" },
+ { "paeth", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PNG_FILTER_VALUE_PAETH }, INT_MIN, INT_MAX, VE, "pred" },
+ { "mixed", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = PNG_FILTER_VALUE_MIXED }, INT_MIN, INT_MAX, VE, "pred" },
+
+ { NULL},
+};
+
+static const AVClass png_class = {
+ .class_name = "png",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
AVCodec ff_png_encoder = {
.name = "png",
.long_name = NULL_IF_CONFIG_SMALL("PNG (Portable Network Graphics) image"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_PNG,
.priv_data_size = sizeof(PNGEncContext),
+ .priv_class = &png_class,
.init = png_enc_init,
.encode2 = encode_frame,
.pix_fmts = (const enum AVPixelFormat[]) {