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Diffstat (limited to 'libavcodec/pngenc.c')
-rw-r--r--libavcodec/pngenc.c23
1 files changed, 15 insertions, 8 deletions
diff --git a/libavcodec/pngenc.c b/libavcodec/pngenc.c
index 58acc3c409..bf61be1609 100644
--- a/libavcodec/pngenc.c
+++ b/libavcodec/pngenc.c
@@ -38,7 +38,6 @@ typedef struct PNGEncContext {
uint8_t *bytestream;
uint8_t *bytestream_start;
uint8_t *bytestream_end;
- AVFrame picture;
int filter_type;
@@ -218,7 +217,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
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;
int64_t max_packet_size;
@@ -228,10 +227,6 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
uint8_t *progressive_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_RGBA64BE:
@@ -454,8 +449,13 @@ static av_cold int png_enc_init(AVCodecContext *avctx){
avctx->bits_per_coded_sample = 8;
}
- 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);
@@ -472,6 +472,12 @@ static av_cold int png_enc_init(AVCodecContext *avctx){
return 0;
}
+static av_cold int png_enc_close(AVCodecContext *avctx)
+{
+ av_frame_free(&avctx->coded_frame);
+ return 0;
+}
+
#define OFFSET(x) offsetof(PNGEncContext, x)
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
@@ -494,6 +500,7 @@ AVCodec ff_png_encoder = {
.id = AV_CODEC_ID_PNG,
.priv_data_size = sizeof(PNGEncContext),
.init = png_enc_init,
+ .close = png_enc_close,
.encode2 = encode_frame,
.capabilities = CODEC_CAP_FRAME_THREADS | CODEC_CAP_INTRA_ONLY,
.pix_fmts = (const enum AVPixelFormat[]){