2016-09-19 20:28 GMT+02:00 Paul B Mahol <one...@gmail.com>:
> On 9/19/16, Carl Eugen Hoyos <ceho...@ag.or.at> wrote:
>
>> Attached patch fixes the colours for the sample in ticket #5611.
> You should use av_packet_get_side_data instead.
New patch attached, thank you!
Carl Eugen
From 233b857e263c7e948ddc12ee2c85d624593a9a09 Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <ceho...@ag.or.at>
Date: Mon, 19 Sep 2016 21:21:27 +0200
Subject: [PATCH] lavc/rscc: Support pal8 in rscc.
Fixes the colours of the sample for ticket #5611.
---
libavcodec/rscc.c | 15 +++++++++++++--
1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/libavcodec/rscc.c b/libavcodec/rscc.c
index 3b3703c..7f280a9 100644
--- a/libavcodec/rscc.c
+++ b/libavcodec/rscc.c
@@ -31,7 +31,7 @@
* and it can be deflated or not. Similarly, pixel data comes after the header
* and a variable size value, and it can be deflated or just raw.
*
- * Supports: GRAY8, BGRA, BGR24, RGB555, RGB8
+ * Supports: BGRA, BGR24, RGB555, PAL8
*/
#include <stdint.h>
@@ -58,6 +58,7 @@ typedef struct RsccContext {
Tile *tiles;
unsigned int tiles_size;
int component_size;
+ uint32_t pal[AVPALETTE_COUNT];
/* zlib interaction */
uint8_t *inflated_buf;
@@ -89,7 +90,7 @@ static av_cold int rscc_init(AVCodecContext *avctx)
ctx->component_size = avctx->bits_per_coded_sample / 8;
switch (avctx->bits_per_coded_sample) {
case 8:
- avctx->pix_fmt = AV_PIX_FMT_GRAY8;
+ avctx->pix_fmt = AV_PIX_FMT_PAL8;
break;
case 16:
avctx->pix_fmt = AV_PIX_FMT_RGB555LE;
@@ -308,6 +309,16 @@ static int rscc_decode_frame(AVCodecContext *avctx, void *data,
} else {
frame->pict_type = AV_PICTURE_TYPE_P;
}
+ if (avctx->pix_fmt == AV_PIX_FMT_PAL8) {
+ const uint8_t *pal = av_packet_get_side_data(avpkt,
+ AV_PKT_DATA_PALETTE,
+ NULL);
+ if (pal) {
+ frame->palette_has_changed = 1;
+ memcpy(ctx->pal, pal, AVPALETTE_SIZE);
+ }
+ memcpy (frame->data[1], ctx->pal, AVPALETTE_SIZE);
+ }
*got_frame = 1;
end:
--
1.7.10.4
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