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authorHans Verkuil <hverkuil@xs4all.nl>2007-08-25 15:09:52 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2007-10-09 22:07:14 -0300
commiteffa0b08633122cc63d2b7f098434d359d5767ef (patch)
treeda7c8adb8e011921df45d77c07bad85cb7927c52 /drivers/media
parent2f3a98931f51be6093df7c6cc2633bf238778b7d (diff)
V4L/DVB (6117): ivtv: finish VBI related cleanup
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/video/ivtv/ivtv-driver.h67
-rw-r--r--drivers/media/video/ivtv/ivtv-streams.c10
2 files changed, 40 insertions, 37 deletions
diff --git a/drivers/media/video/ivtv/ivtv-driver.h b/drivers/media/video/ivtv/ivtv-driver.h
index 748ef66bd94..5400ccef4df 100644
--- a/drivers/media/video/ivtv/ivtv-driver.h
+++ b/drivers/media/video/ivtv/ivtv-driver.h
@@ -499,7 +499,8 @@ struct vbi_vps {
};
struct vbi_info {
- /* VBI general fixed card data */
+ /* VBI general data, does not change during streaming */
+
u32 raw_decoder_line_size; /* raw VBI line size from digitizer */
u8 raw_decoder_sav_odd_field; /* raw VBI Start Active Video digitizer code of odd field */
u8 raw_decoder_sav_even_field; /* raw VBI Start Active Video digitizer code of even field */
@@ -507,27 +508,42 @@ struct vbi_info {
u8 sliced_decoder_sav_odd_field; /* sliced VBI Start Active Video digitizer code of odd field */
u8 sliced_decoder_sav_even_field; /* sliced VBI Start Active Video digitizer code of even field */
- u32 dec_start;
- u32 enc_start, enc_size;
- int fpi;
- u32 frame;
- struct vbi_cc cc_payload[256]; /* Sliced VBI CC payload array. It is an array to
+ u32 start[2]; /* start of first VBI line in the odd/even fields */
+ u32 count; /* number of VBI lines per field */
+ u32 raw_size; /* size of raw VBI line from the digitizer */
+ u32 sliced_size; /* size of sliced VBI line from the digitizer */
+
+ u32 dec_start; /* start in decoder memory of VBI re-insertion buffers */
+ u32 enc_start; /* start in encoder memory of VBI capture buffers */
+ u32 enc_size; /* size of VBI capture area */
+ int fpi; /* number of VBI frames per interrupt */
+
+ struct v4l2_format in; /* current VBI capture format */
+ struct v4l2_sliced_vbi_format *sliced_in; /* convenience pointer to sliced struct in vbi.in union */
+ int insert_mpeg; /* if non-zero, then embed VBI data in MPEG stream */
+
+ /* Raw VBI compatibility hack */
+
+ u32 frame; /* frame counter hack needed for backwards compatibility
+ of old VBI software */
+
+ /* Sliced VBI output data */
+
+ struct vbi_cc cc_payload[256]; /* sliced VBI CC payload array: it is an array to
prevent dropping CC data if they couldn't be
- processed fast enough. */
- int cc_payload_idx; /* Index in cc_payload */
- u8 cc_missing_cnt; /* Counts number of frames without CC for passthrough mode */
- int wss_payload; /* Sliced VBI WSS payload */
- u8 wss_missing_cnt; /* Counts number of frames without WSS for passthrough mode */
- struct vbi_vps vps_payload; /* Sliced VBI VPS payload */
- struct v4l2_format in;
- /* convenience pointer to sliced struct in vbi_in union */
- struct v4l2_sliced_vbi_format *sliced_in;
- int insert_mpeg;
-
- /* Buffer for the maximum of 2 * 18 * packet_size sliced VBI lines.
- One for /dev/vbi0 and one for /dev/vbi8 */
- struct v4l2_sliced_vbi_data sliced_data[36];
- struct v4l2_sliced_vbi_data sliced_dec_data[36];
+ processed fast enough */
+ int cc_payload_idx; /* index in cc_payload */
+ u8 cc_missing_cnt; /* counts number of frames without CC for passthrough mode */
+ int wss_payload; /* sliced VBI WSS payload */
+ u8 wss_missing_cnt; /* counts number of frames without WSS for passthrough mode */
+ struct vbi_vps vps_payload; /* sliced VBI VPS payload */
+
+ /* Sliced VBI capture data */
+
+ struct v4l2_sliced_vbi_data sliced_data[36]; /* sliced VBI storage for VBI encoder stream */
+ struct v4l2_sliced_vbi_data sliced_dec_data[36];/* sliced VBI storage for VBI decoder stream */
+
+ /* VBI Embedding data */
/* Buffer for VBI data inserted into MPEG stream.
The first byte is a dummy byte that's never used.
@@ -544,12 +560,9 @@ struct vbi_info {
This pointer array will allocate 2049 bytes to store each VBI frame. */
u8 *sliced_mpeg_data[IVTV_VBI_FRAMES];
u32 sliced_mpeg_size[IVTV_VBI_FRAMES];
- struct ivtv_buffer sliced_mpeg_buf;
- u32 inserted_frame;
-
- u32 start[2], count;
- u32 raw_size;
- u32 sliced_size;
+ struct ivtv_buffer sliced_mpeg_buf; /* temporary buffer holding data from sliced_mpeg_data */
+ u32 inserted_frame; /* index in sliced_mpeg_size of next sliced data
+ to be inserted in the MPEG stream */
};
/* forward declaration of struct defined in ivtv-cards.h */
diff --git a/drivers/media/video/ivtv/ivtv-streams.c b/drivers/media/video/ivtv/ivtv-streams.c
index a3296224f82..fd135985e70 100644
--- a/drivers/media/video/ivtv/ivtv-streams.c
+++ b/drivers/media/video/ivtv/ivtv-streams.c
@@ -321,16 +321,6 @@ static void ivtv_vbi_setup(struct ivtv *itv)
/* Reset VBI */
ivtv_vapi(itv, CX2341X_ENC_SET_VBI_LINE, 5, 0xffff , 0, 0, 0, 0);
- if (itv->is_60hz) {
- itv->vbi.count = 12;
- itv->vbi.start[0] = 10;
- itv->vbi.start[1] = 273;
- } else { /* PAL/SECAM */
- itv->vbi.count = 18;
- itv->vbi.start[0] = 6;
- itv->vbi.start[1] = 318;
- }
-
/* setup VBI registers */
itv->video_dec_func(itv, VIDIOC_S_FMT, &itv->vbi.in);