typedef struct PNGDecContext {
PNGDSPContext dsp;
+ AVCodecContext *avctx;
GetByteContext gb;
AVFrame picture1, picture2;
while (s->zstream.avail_in > 0) {
ret = inflate(&s->zstream, Z_PARTIAL_FLUSH);
if (ret != Z_OK && ret != Z_STREAM_END) {
+ av_log(s->avctx, AV_LOG_ERROR, "inflate returned %d\n", ret);
return -1;
}
if (s->zstream.avail_out == 0) {
s->zstream.zfree = ff_png_zfree;
s->zstream.opaque = NULL;
ret = inflateInit(&s->zstream);
- if (ret != Z_OK)
+ if (ret != Z_OK) {
+ av_log(avctx, AV_LOG_ERROR, "inflateInit returned %d\n", ret);
return -1;
+ }
for(;;) {
if (bytestream2_get_bytes_left(&s->gb) <= 0) {
av_log(avctx, AV_LOG_ERROR, "No bytes left\n");
ff_pngdsp_init(&s->dsp);
+ s->avctx = avctx;
+
return 0;
}