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Bug 499519 - liboggplay fix; disable video tracks with height 0 video. r+=doublec, sr+=roc.

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This commit is contained in:
Chris Pearce 2009-07-20 14:26:09 +12:00
parent bb5b147847
commit da15b4e23e
4 changed files with 84 additions and 2 deletions
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56
media/liboggplay/bug499519.patch Normal file
View File

@ -0,0 +1,56 @@
diff --git a/media/liboggplay/src/liboggplay/oggplay_callback.c b/media/liboggplay/src/liboggplay/oggplay_callback.c
--- a/media/liboggplay/src/liboggplay/oggplay_callback.c
+++ b/media/liboggplay/src/liboggplay/oggplay_callback.c
@@ -115,6 +115,15 @@
decoder->y_height = decoder->video_info.frame_height;
decoder->uv_width = decoder->uv_stride = decoder->video_info.frame_width / 2;
decoder->uv_height = decoder->video_info.frame_height / 2;
+
+ if (decoder->y_width == 0 ||
+ decoder->y_height == 0 ||
+ decoder->uv_width == 0 ||
+ decoder->uv_height == 0) {
+ decoder->decoder.active = 0;
+ return 0;
+ }
+
if (--(decoder->remaining_header_packets) == 0) {
/* Ensure the offsets do not push the viewable area outside of the decoded frame. */
if (((decoder->video_info.height - decoder->video_info.offset_y)<decoder->video_info.frame_height)||
diff --git a/media/liboggplay/src/liboggplay/oggplay_data.c b/media/liboggplay/src/liboggplay/oggplay_data.c
--- a/media/liboggplay/src/liboggplay/oggplay_data.c
+++ b/media/liboggplay/src/liboggplay/oggplay_data.c
@@ -317,6 +317,23 @@
}
+static int
+get_uv_offset(OggPlayTheoraDecode *decode, yuv_buffer *buffer)
+{
+ int xo=0, yo = 0;
+ if (decode->y_width != 0 &&
+ decode->uv_width != 0 &&
+ decode->y_width/decode->uv_width != 0) {
+ xo = (decode->video_info.offset_x/(decode->y_width/decode->uv_width));
+ }
+ if (decode->y_height != 0 &&
+ decode->uv_height != 0 &&
+ decode->y_height/decode->uv_height != 0) {
+ yo = (buffer->uv_stride)*(decode->video_info.offset_y/(decode->y_height/decode->uv_height));
+ }
+ return xo + yo;
+}
+
void
oggplay_data_handle_theora_frame (OggPlayTheoraDecode *decode,
yuv_buffer *buffer) {
@@ -367,8 +384,7 @@
q += buffer->y_stride;
}
- uv_offset = (decode->video_info.offset_x/(decode->y_width/decode->uv_width)) +
- (buffer->uv_stride) *(decode->video_info.offset_y/(decode->y_height/decode->uv_height));
+ uv_offset = get_uv_offset(decode, buffer);
p = data->u;
q = buffer->u + uv_offset;

9
media/liboggplay/src/liboggplay/oggplay_callback.c
View File

@ -115,6 +115,15 @@ oggplay_callback_theora (OGGZ * oggz, ogg_packet * op, long serialno,
decoder->y_height = decoder->video_info.frame_height;
decoder->uv_width = decoder->uv_stride = decoder->video_info.frame_width / 2;
decoder->uv_height = decoder->video_info.frame_height / 2;
if (decoder->y_width == 0 ||
decoder->y_height == 0 ||
decoder->uv_width == 0 ||
decoder->uv_height == 0) {
decoder->decoder.active = 0;
return 0;
}
if (--(decoder->remaining_header_packets) == 0) {
/* Ensure the offsets do not push the viewable area outside of the decoded frame. */
if (((decoder->video_info.height - decoder->video_info.offset_y)<decoder->video_info.frame_height)||

20
media/liboggplay/src/liboggplay/oggplay_data.c
View File

@ -317,6 +317,23 @@ oggplay_data_handle_cmml_data(OggPlayDecode *decode, unsigned char *data,
}
static int
get_uv_offset(OggPlayTheoraDecode *decode, yuv_buffer *buffer)
{
int xo=0, yo = 0;
if (decode->y_width != 0 &&
decode->uv_width != 0 &&
decode->y_width/decode->uv_width != 0) {
xo = (decode->video_info.offset_x/(decode->y_width/decode->uv_width));
}
if (decode->y_height != 0 &&
decode->uv_height != 0 &&
decode->y_height/decode->uv_height != 0) {
yo = (buffer->uv_stride)*(decode->video_info.offset_y/(decode->y_height/decode->uv_height));
}
return xo + yo;
}
void
oggplay_data_handle_theora_frame (OggPlayTheoraDecode *decode,
yuv_buffer *buffer) {
@ -367,8 +384,7 @@ oggplay_data_handle_theora_frame (OggPlayTheoraDecode *decode,
q += buffer->y_stride;
}
uv_offset = (decode->video_info.offset_x/(decode->y_width/decode->uv_width)) +
(buffer->uv_stride) *(decode->video_info.offset_y/(decode->y_height/decode->uv_height));
uv_offset = get_uv_offset(decode, buffer);
p = data->u;
q = buffer->u + uv_offset;

1
media/liboggplay/update.sh
View File

@ -62,3 +62,4 @@ patch -p3 < bug487519.patch
patch -p3 < bug498815.patch
patch -p3 < bug498824.patch
patch -p3 < bug496529.patch
patch -p3 < bug499519.patch