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authorDiego 'Flameeyes' Pettenò <flameeyes@gmail.com>2008-03-01 03:05:13 +0100
committerDiego 'Flameeyes' Pettenò <flameeyes@gmail.com>2008-03-01 03:05:13 +0100
commit1d0b3b20c34517b9d1ddf3ea347776304b0c4b44 (patch)
tree89f4fc640c2becc6f00ae08996754952ecf149c1 /contrib/ffmpeg/libavcodec/dsicinav.c
parent09496ad3469a0ade8dbd9a351e639b78f20b7942 (diff)
downloadxine-lib-1d0b3b20c34517b9d1ddf3ea347776304b0c4b44.tar.gz
xine-lib-1d0b3b20c34517b9d1ddf3ea347776304b0c4b44.tar.bz2
Update internal FFmpeg copy.
Diffstat (limited to 'contrib/ffmpeg/libavcodec/dsicinav.c')
-rw-r--r--contrib/ffmpeg/libavcodec/dsicinav.c30
1 files changed, 15 insertions, 15 deletions
diff --git a/contrib/ffmpeg/libavcodec/dsicinav.c b/contrib/ffmpeg/libavcodec/dsicinav.c
index c7c3f5627..e549487c7 100644
--- a/contrib/ffmpeg/libavcodec/dsicinav.c
+++ b/contrib/ffmpeg/libavcodec/dsicinav.c
@@ -25,7 +25,7 @@
*/
#include "avcodec.h"
-#include "common.h"
+#include "bytestream.h"
typedef enum CinVideoBitmapIndex {
@@ -88,12 +88,11 @@ static const int16_t cinaudio_delta16_table[256] = {
static int cinvideo_decode_init(AVCodecContext *avctx)
{
- CinVideoContext *cin = (CinVideoContext *)avctx->priv_data;
+ CinVideoContext *cin = avctx->priv_data;
unsigned int i;
cin->avctx = avctx;
avctx->pix_fmt = PIX_FMT_PAL8;
- avctx->has_b_frames = 0;
cin->frame.data[0] = NULL;
@@ -196,9 +195,9 @@ static void cin_decode_rle(const unsigned char *src, int src_size, unsigned char
static int cinvideo_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
- uint8_t *buf, int buf_size)
+ const uint8_t *buf, int buf_size)
{
- CinVideoContext *cin = (CinVideoContext *)avctx->priv_data;
+ CinVideoContext *cin = avctx->priv_data;
int i, y, palette_type, palette_colors_count, bitmap_frame_type, bitmap_frame_size;
cin->frame.buffer_hints = FF_BUFFER_HINTS_VALID | FF_BUFFER_HINTS_PRESERVE | FF_BUFFER_HINTS_REUSABLE;
@@ -208,7 +207,7 @@ static int cinvideo_decode_frame(AVCodecContext *avctx,
}
palette_type = buf[0];
- palette_colors_count = buf[1] | (buf[2] << 8);
+ palette_colors_count = AV_RL16(buf+1);
bitmap_frame_type = buf[3];
buf += 4;
@@ -217,13 +216,12 @@ static int cinvideo_decode_frame(AVCodecContext *avctx,
/* handle palette */
if (palette_type == 0) {
for (i = 0; i < palette_colors_count; ++i) {
- cin->palette[i] = (buf[2] << 16) | (buf[1] << 8) | buf[0];
- buf += 3;
+ cin->palette[i] = bytestream_get_le24(&buf);
bitmap_frame_size -= 3;
}
} else {
for (i = 0; i < palette_colors_count; ++i) {
- cin->palette[buf[0]] = (buf[3] << 16) | (buf[2] << 8) | buf[1];
+ cin->palette[buf[0]] = AV_RL24(buf+1);
buf += 4;
bitmap_frame_size -= 4;
}
@@ -288,7 +286,7 @@ static int cinvideo_decode_frame(AVCodecContext *avctx,
static int cinvideo_decode_end(AVCodecContext *avctx)
{
- CinVideoContext *cin = (CinVideoContext *)avctx->priv_data;
+ CinVideoContext *cin = avctx->priv_data;
int i;
if (cin->frame.data[0])
@@ -302,7 +300,7 @@ static int cinvideo_decode_end(AVCodecContext *avctx)
static int cinaudio_decode_init(AVCodecContext *avctx)
{
- CinAudioContext *cin = (CinAudioContext *)avctx->priv_data;
+ CinAudioContext *cin = avctx->priv_data;
cin->avctx = avctx;
cin->initial_decode_frame = 1;
@@ -313,12 +311,14 @@ static int cinaudio_decode_init(AVCodecContext *avctx)
static int cinaudio_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
- uint8_t *buf, int buf_size)
+ const uint8_t *buf, int buf_size)
{
- CinAudioContext *cin = (CinAudioContext *)avctx->priv_data;
- uint8_t *src = buf;
+ CinAudioContext *cin = avctx->priv_data;
+ const uint8_t *src = buf;
int16_t *samples = (int16_t *)data;
+ buf_size = FFMIN(buf_size, *data_size/2);
+
if (cin->initial_decode_frame) {
cin->initial_decode_frame = 0;
cin->delta = (int16_t)AV_RL16(src); src += 2;
@@ -327,7 +327,7 @@ static int cinaudio_decode_frame(AVCodecContext *avctx,
}
while (buf_size > 0) {
cin->delta += cinaudio_delta16_table[*src++];
- cin->delta = av_clip(cin->delta, -32768, 32767);
+ cin->delta = av_clip_int16(cin->delta);
*samples++ = cin->delta;
--buf_size;
}