0x0001000100010001ULL));
}
- if (*buf_index >= buf_size - h->nal_length_size)
- return -1;
+static inline int find_start_code(const uint8_t *buf, int buf_size,
+ int buf_index, int next_avc)
+{
+ uint32_t state = -1;
+
+ buf_index = avpriv_find_start_code(buf + buf_index, buf + next_avc + 1, &state) - buf - 1;
+
+ return FFMIN(buf_index, buf_size);
+}
+
+static inline int get_avc_nalsize(H264Context *h, const uint8_t *buf,
+ int buf_size, int *buf_index)
+{
+ int i, nalsize = 0;
+
- return -1;
++ if (*buf_index >= buf_size - h->nal_length_size) {
++ return AVERROR(EAGAIN);
++ }
+
+ for (i = 0; i < h->nal_length_size; i++)
+ nalsize = ((unsigned)nalsize << 8) | buf[(*buf_index)++];
+ if (nalsize <= 0 || nalsize > buf_size - *buf_index) {
+ av_log(h->avctx, AV_LOG_ERROR,
+ "AVC: nal size %d\n", nalsize);
++ return AVERROR_INVALIDDATA;
+ }
+ return nalsize;
+}
+
int ff_h264_field_end(H264Context *h, H264SliceContext *sl, int in_setup);
int ff_h264_ref_picture(H264Context *h, H264Picture *dst, H264Picture *src);