size_t *buffer_size) {
if (webm_ctx->chunk >= webm_ctx->chunks) {
uint32_t track;
+ int status;
do {
/* End of this packet, get another. */
webm_ctx->pkt = NULL;
}
- if (nestegg_read_packet(webm_ctx->nestegg_ctx, &webm_ctx->pkt) <= 0 ||
- nestegg_packet_track(webm_ctx->pkt, &track)) {
- return 1;
- }
+ status = nestegg_read_packet(webm_ctx->nestegg_ctx, &webm_ctx->pkt);
+ if (status <= 0)
+ return status ? status : 1;
+
+ if (nestegg_packet_track(webm_ctx->pkt, &track))
+ return -1;
} while (track != webm_ctx->video_track);
if (nestegg_packet_count(webm_ctx->pkt, &webm_ctx->chunks))
- return 1;
+ return -1;
webm_ctx->chunk = 0;
}
if (nestegg_packet_data(webm_ctx->pkt, webm_ctx->chunk,
buffer, bytes_in_buffer)) {
- return 1;
+ return -1;
}
webm_ctx->chunk++;
int file_is_webm(struct WebmInputContext *webm_ctx,
struct VpxInputContext *vpx_ctx);
+/* Reads a WebM video frame. Return values:
+ * 0 - Success
+ * 1 - End of File
+ * -1 - Error
+ */
int webm_read_frame(struct WebmInputContext *webm_ctx,
uint8_t **buffer,
size_t *bytes_in_buffer,