diff options
Diffstat (limited to 'libavcodec/pngenc.c')
| -rw-r--r-- | libavcodec/pngenc.c | 35 |
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[]) { |