Commit b92eb541 authored by Vignesh Venkatasubramanian's avatar Vignesh Venkatasubramanian
Browse files

webmdec: Fix return values for webm_read_frame

Fix return values for webm_read_frame so that we can distinguish between
error and end of stream. 0 - Success, 1 - End of stream, -1 error.

Change-Id: Ic35d0c7d7a166e027711a3d2300ecdda25a5d0cc
parent 096b44f4
......@@ -114,6 +114,7 @@ int webm_read_frame(struct WebmInputContext *webm_ctx,
size_t *buffer_size) {
if (webm_ctx->chunk >= webm_ctx->chunks) {
uint32_t track;
int status;
do {
/* End of this packet, get another. */
......@@ -122,21 +123,23 @@ int webm_read_frame(struct WebmInputContext *webm_ctx,
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++;
......
......@@ -31,6 +31,11 @@ struct WebmInputContext {
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,
......
Supports Markdown
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment