--
Mats Peterson
http://matsp888.no-ip.org/~mats/
>From 403d4db37d2690a8263db53b28225409eeb9bb8c Mon Sep 17 00:00:00 2001
From: Mats Peterson <matsp...@yahoo.com>
Date: Wed, 2 Mar 2016 03:14:05 +0100
Subject: [PATCH v4 4/5] lavf/utils: New function ff_get_packet_palette()
---
libavformat/utils.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/libavformat/utils.c b/libavformat/utils.c
index fe2916f..771e878 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -4759,3 +4759,19 @@ int ff_parse_creation_time_metadata(AVFormatContext *s, int64_t *timestamp, int
}
return 0;
}
+
+int ff_get_packet_palette(AVFormatContext *s, AVPacket *pkt, int ret, const uint8_t **palette)
+{
+ int size;
+
+ *palette = av_packet_get_side_data(pkt, AV_PKT_DATA_PALETTE, &size);
+ if (*palette && size != AVPALETTE_SIZE) {
+ av_log(s, AV_LOG_ERROR, "Invalid palette side data\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ if (!*palette && ret == CONTAINS_PAL)
+ *palette = pkt->data + pkt->size - AVPALETTE_SIZE;
+
+ return 0;
+}
--
1.7.10.4
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