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authorBaptiste Coudurier <baptiste.coudurier@gmail.com>2011-01-07 23:56:47 +0000
committerBaptiste Coudurier <baptiste.coudurier@gmail.com>2011-01-07 23:56:47 +0000
commit82dadb90a71455d17e7f38afbd3ae8a840bc9679 (patch)
tree100e1924e2d094c03a9d1e57416774dc5822f478 /libavcodec/bmpenc.c
parent81c623fae059792ec9c0ce47ad69128a58ab5980 (diff)
downloadffmpeg-82dadb90a71455d17e7f38afbd3ae8a840bc9679.tar.gz
Fix bmp encoder with 8 bits format and correctly set bits_per_coded_sample
Originally committed as revision 26263 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/bmpenc.c')
-rw-r--r--libavcodec/bmpenc.c42
1 files changed, 30 insertions, 12 deletions
diff --git a/libavcodec/bmpenc.c b/libavcodec/bmpenc.c
index ee85f3cfae..12cb6de404 100644
--- a/libavcodec/bmpenc.c
+++ b/libavcodec/bmpenc.c
@@ -20,6 +20,7 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include "libavcore/internal.h"
#include "avcodec.h"
#include "bytestream.h"
#include "bmp.h"
@@ -33,6 +34,32 @@ static av_cold int bmp_encode_init(AVCodecContext *avctx){
avcodec_get_frame_defaults((AVFrame*)&s->picture);
avctx->coded_frame = (AVFrame*)&s->picture;
+ switch (avctx->pix_fmt) {
+ case PIX_FMT_BGR24:
+ avctx->bits_per_coded_sample = 24;
+ break;
+ case PIX_FMT_RGB555:
+ avctx->bits_per_coded_sample = 16;
+ break;
+ case PIX_FMT_RGB565:
+ avctx->bits_per_coded_sample = 16;
+ break;
+ case PIX_FMT_RGB8:
+ case PIX_FMT_BGR8:
+ case PIX_FMT_RGB4_BYTE:
+ case PIX_FMT_BGR4_BYTE:
+ case PIX_FMT_GRAY8:
+ case PIX_FMT_PAL8:
+ avctx->bits_per_coded_sample = 8;
+ break;
+ case PIX_FMT_MONOBLACK:
+ avctx->bits_per_coded_sample = 1;
+ break;
+ default:
+ av_log(avctx, AV_LOG_INFO, "unsupported pixel format\n");
+ return -1;
+ }
+
return 0;
}
@@ -42,21 +69,15 @@ static int bmp_encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_s
AVFrame * const p= (AVFrame*)&s->picture;
int n_bytes_image, n_bytes_per_row, n_bytes, i, n, hsize;
const uint32_t *pal = NULL;
- int pad_bytes_per_row, bit_count, pal_entries = 0, compression = BMP_RGB;
+ int pad_bytes_per_row, pal_entries = 0, compression = BMP_RGB;
+ int bit_count = avctx->bits_per_coded_sample;
uint8_t *ptr;
unsigned char* buf0 = buf;
*p = *pict;
p->pict_type= FF_I_TYPE;
p->key_frame= 1;
switch (avctx->pix_fmt) {
- case PIX_FMT_BGR24:
- bit_count = 24;
- break;
- case PIX_FMT_RGB555:
- bit_count = 16;
- break;
case PIX_FMT_RGB565:
- bit_count = 16;
compression = BMP_BITFIELDS;
pal = rgb565_masks; // abuse pal to hold color masks
pal_entries = 3;
@@ -66,16 +87,13 @@ static int bmp_encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_s
case PIX_FMT_RGB4_BYTE:
case PIX_FMT_BGR4_BYTE:
case PIX_FMT_GRAY8:
+ ff_set_systematic_pal2((uint32_t*)p->data[1], avctx->pix_fmt);
case PIX_FMT_PAL8:
- bit_count = 8;
pal = (uint32_t *)p->data[1];
break;
case PIX_FMT_MONOBLACK:
- bit_count = 1;
pal = monoblack_pal;
break;
- default:
- return -1;
}
if (pal && !pal_entries) pal_entries = 1 << bit_count;
n_bytes_per_row = ((int64_t)avctx->width * (int64_t)bit_count + 7LL) >> 3LL;