On 6/21/2023 9:43 PM, Leo Izen wrote:
+static int jpegxl_parse(AVCodecParserContext *s, AVCodecContext *avctx,
+ const uint8_t **poutbuf, int *poutbuf_size,
+ const uint8_t *buf, int buf_size)
+{
+ JXLParseContext *ctx = s->priv_data;
+ int ret;
+
+ *poutbuf_size = 0;
+ *poutbuf = NULL;
+
+ if (!ctx->parsed_header) {
+ if (AV_RL64(buf) == FF_JPEGXL_CONTAINER_SIGNATURE_LE) {
+ int copied;
+ uint8_t codestream_header[4096];
+ ret = ff_jpegxl_collect_codestream_header(buf, buf_size,
codestream_header,
+ sizeof(codestream_header),
&copied);
+ if (ret < 0)
+ return ret;
+ /* copied may be larger than the bufsize if stuff was skipped */
+ copied = FFMIN(copied, sizeof(codestream_header));
+ ret = ff_jpegxl_parse_codestream_header(codestream_header, copied, 0,
&ctx->meta);
+ if (ret < 0)
+ return ret;
+ } else {
+ ret = ff_jpegxl_parse_codestream_header(buf, buf_size, 1,
&ctx->meta);
+ if (ret < 0)
+ return ret;
+ }
+ avctx->width = ctx->meta.width;
+ avctx->height = ctx->meta.height;
Set s->width and s->height instead. The generic code will set the avctx
fields if required.
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