uint8_t *bytestream;
uint8_t *bytestream_start;
uint8_t *bytestream_end;
- AVFrame picture;
int filter_type;
const AVFrame *pict, int *got_packet)
{
PNGEncContext *s = avctx->priv_data;
- AVFrame * const p= &s->picture;
+ const AVFrame * const p = pict;
int bit_depth, color_type, y, len, row_size, ret, is_progressive;
int bits_per_pixel, pass_row_size, enc_row_size, max_packet_size;
int compression_level;
uint8_t *rgba_buf = NULL;
uint8_t *top_buf = NULL;
- *p = *pict;
- p->pict_type= AV_PICTURE_TYPE_I;
- p->key_frame= 1;
-
is_progressive = !!(avctx->flags & CODEC_FLAG_INTERLACED_DCT);
switch(avctx->pix_fmt) {
case AV_PIX_FMT_RGB32:
static av_cold int png_enc_init(AVCodecContext *avctx){
PNGEncContext *s = avctx->priv_data;
- avcodec_get_frame_defaults(&s->picture);
- avctx->coded_frame= &s->picture;
+ avctx->coded_frame = av_frame_alloc();
+ if (!avctx->coded_frame)
+ return AVERROR(ENOMEM);
+
+ avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
+ avctx->coded_frame->key_frame = 1;
+
ff_dsputil_init(&s->dsp, avctx);
s->filter_type = av_clip(avctx->prediction_method, PNG_FILTER_VALUE_NONE, PNG_FILTER_VALUE_MIXED);
return 0;
}
+static av_cold int png_enc_close(AVCodecContext *avctx)
+{
+ av_frame_free(&avctx->coded_frame);
+ return 0;
+}
+
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),
.init = png_enc_init,
+ .close = png_enc_close,
.encode2 = encode_frame,
.pix_fmts = (const enum AVPixelFormat[]){
AV_PIX_FMT_RGB24, AV_PIX_FMT_RGB32, AV_PIX_FMT_PAL8, AV_PIX_FMT_GRAY8,
AV_PIX_FMT_GRAY16BE,
AV_PIX_FMT_MONOBLACK, AV_PIX_FMT_NONE
},
- .long_name = NULL_IF_CONFIG_SMALL("PNG (Portable Network Graphics) image"),
};