Factor it out from cbs_av1_read_metadata_itut_t35()
Reviewed-by: Mark Thompson <sw@jkqxz.net>
Signed-off-by: James Almer <jamrial@gmail.com>
return diff;
}
+static size_t cbs_av1_get_payload_bytes_left(GetBitContext *gbc)
+{
+ GetBitContext tmp = *gbc;
+ size_t size = 0;
+ for (int i = 0; get_bits_left(&tmp) >= 8; i++) {
+ if (get_bits(&tmp, 8))
+ size = i;
+ }
+ return size;
+}
+
#define HEADER(name) do { \
ff_cbs_trace_header(ctx, name); \
#ifdef READ
// The payload runs up to the start of the trailing bits, but there might
// be arbitrarily many trailing zeroes so we need to read through twice.
- {
- GetBitContext tmp = *rw;
- current->payload_size = 0;
- for (i = 0; get_bits_left(rw) >= 8; i++) {
- if (get_bits(rw, 8))
- current->payload_size = i;
- }
- *rw = tmp;
- }
+ current->payload_size = cbs_av1_get_payload_bytes_left(rw);
current->payload_ref = av_buffer_alloc(current->payload_size);
if (!current->payload_ref)