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cccombiner: don't assume a single cea608 data packet per buffer

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e.g. 24fps can have up to 3 and would include either two field0 or
field1 cea608 data.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3211>
This commit is contained in:
Matthew Waters 2022-05-12 13:15:19 +10:00 committed by GStreamer Marge Bot
parent 741cfd18b5
commit 5dd199f7e8
1 changed files with 0 additions and 22 deletions
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22
subprojects/gst-plugins-bad/ext/closedcaption/gstcccombiner.c
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@ -486,7 +486,6 @@ schedule_cea608_s334_1a (GstCCCombiner * self, guint8 * data, guint len,
guint8 field0_data[3], field1_data[3];
guint field0_len = 0, field1_len = 0;
guint i;
gboolean field0_608 = FALSE, field1_608 = FALSE;
if (len % 3 != 0) {
GST_WARNING ("Invalid cc_data buffer size %u. Truncating to a multiple "
@ -496,11 +495,6 @@ schedule_cea608_s334_1a (GstCCCombiner * self, guint8 * data, guint len,
for (i = 0; i < len / 3; i++) {
if (data[i * 3] & 0x80) {
if (field0_608)
continue;
field0_608 = TRUE;
if (data[i * 3 + 1] == 0x80 && data[i * 3 + 2] == 0x80)
continue;
@ -508,11 +502,6 @@ schedule_cea608_s334_1a (GstCCCombiner * self, guint8 * data, guint len,
field0_data[field0_len++] = data[i * 3 + 1];
field0_data[field0_len++] = data[i * 3 + 2];
} else {
if (field1_608)
continue;
field1_608 = TRUE;
if (data[i * 3 + 1] == 0x80 && data[i * 3 + 2] == 0x80)
continue;
@ -550,7 +539,6 @@ schedule_cea708_raw (GstCCCombiner * self, guint8 * data, guint len,
guint8 field0_data[MAX_CDP_PACKET_LEN], field1_data[3];
guint field0_len = 0, field1_len = 0;
guint i;
gboolean field0_608 = FALSE, field1_608 = FALSE;
gboolean started_ccp = FALSE;
if (len % 3 != 0) {
@ -568,11 +556,6 @@ schedule_cea708_raw (GstCCCombiner * self, guint8 * data, guint len,
if (!cc_valid)
continue;
if (field0_608)
continue;
field0_608 = TRUE;
if (data[i * 3 + 1] == 0x80 && data[i * 3 + 2] == 0x80)
continue;
@ -583,11 +566,6 @@ schedule_cea708_raw (GstCCCombiner * self, guint8 * data, guint len,
if (!cc_valid)
continue;
if (field1_608)
continue;
field1_608 = TRUE;
if (data[i * 3 + 1] == 0x80 && data[i * 3 + 2] == 0x80)
continue;