diff options
Diffstat (limited to 'drivers/media/video/cx18/cx18-driver.h')
| -rw-r--r-- | drivers/media/video/cx18/cx18-driver.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h index bed8bcc65411..5c78b014dbc0 100644 --- a/drivers/media/video/cx18/cx18-driver.h +++ b/drivers/media/video/cx18/cx18-driver.h @@ -120,11 +120,16 @@ /* Maximum firmware DMA buffers per stream */ #define CX18_MAX_FW_MDLS_PER_STREAM 63 +/* YUV buffer sizes in bytes to ensure integer # of frames per buffer */ +#define CX18_UNIT_ENC_YUV_BUFSIZE (720 * 32 * 3 / 2) /* bytes */ +#define CX18_625_LINE_ENC_YUV_BUFSIZE (CX18_UNIT_ENC_YUV_BUFSIZE * 576/32) +#define CX18_525_LINE_ENC_YUV_BUFSIZE (CX18_UNIT_ENC_YUV_BUFSIZE * 480/32) + /* DMA buffer, default size in kB allocated */ #define CX18_DEFAULT_ENC_TS_BUFSIZE 32 #define CX18_DEFAULT_ENC_MPG_BUFSIZE 32 #define CX18_DEFAULT_ENC_IDX_BUFSIZE 32 -#define CX18_DEFAULT_ENC_YUV_BUFSIZE 128 +#define CX18_DEFAULT_ENC_YUV_BUFSIZE (CX18_UNIT_ENC_YUV_BUFSIZE * 3 / 1024 + 1) /* Default VBI bufsize based on standards supported by card tuner for now */ #define CX18_DEFAULT_ENC_PCM_BUFSIZE 4 |