[PATCH] v4l: 631: implemented the v4l2 mpeg api for blackbird cards
- Implemented the v4l2 mpeg api for blackbird cards.
Signed-off-by: Catalin Climov <catalin@climov.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c
index 0c0c59e..eca36b8 100644
--- a/drivers/media/video/cx88/cx88-blackbird.c
+++ b/drivers/media/video/cx88/cx88-blackbird.c
@@ -38,7 +38,7 @@
MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
MODULE_LICENSE("GPL");
-static unsigned int mpegbufs = 8;
+static unsigned int mpegbufs = 32;
module_param(mpegbufs,int,0644);
MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32");
@@ -683,84 +683,553 @@
=================================================================================================================
*DB: "DirectBurn"
*/
-static void blackbird_codec_settings(struct cx8802_dev *dev)
+
+static struct blackbird_dnr default_dnr_params = {
+ .mode = BLACKBIRD_DNR_BITS_MANUAL,
+ .type = BLACKBIRD_MEDIAN_FILTER_DISABLED,
+ .spatial = 0,
+ .temporal = 0
+};
+static struct v4l2_mpeg_compression default_mpeg_params = {
+ .st_type = V4L2_MPEG_PS_2,
+ .st_bitrate = {
+ .mode = V4L2_BITRATE_CBR,
+ .min = 0,
+ .target = 0,
+ .max = 0
+ },
+ .ts_pid_pmt = 16,
+ .ts_pid_audio = 260,
+ .ts_pid_video = 256,
+ .ts_pid_pcr = 259,
+ .ps_size = 0,
+ .au_type = V4L2_MPEG_AU_2_II,
+ .au_bitrate = {
+ .mode = V4L2_BITRATE_CBR,
+ .min = 224,
+ .target = 224,
+ .max = 224
+ },
+ .au_sample_rate = 44100,
+ .au_pesid = 0,
+ .vi_type = V4L2_MPEG_VI_2,
+ .vi_aspect_ratio = V4L2_MPEG_ASPECT_4_3,
+ .vi_bitrate = {
+ .mode = V4L2_BITRATE_CBR,
+ .min = 4000,
+ .target = 4500,
+ .max = 6000
+ },
+ .vi_frame_rate = 25,
+ .vi_frames_per_gop = 15,
+ .vi_bframes_count = 2,
+ .vi_pesid = 0,
+ .closed_gops = 0,
+ .pulldown = 0
+};
+
+static enum blackbird_stream_type mpeg_stream_types[] = {
+ [V4L2_MPEG_SS_1] = BLACKBIRD_STREAM_MPEG1,
+ [V4L2_MPEG_PS_2] = BLACKBIRD_STREAM_PROGRAM,
+ [V4L2_MPEG_TS_2] = BLACKBIRD_STREAM_TRANSPORT,
+ [V4L2_MPEG_PS_DVD] = BLACKBIRD_STREAM_DVD,
+};
+static enum blackbird_aspect_ratio mpeg_stream_ratios[] = {
+ [V4L2_MPEG_ASPECT_SQUARE] = BLACKBIRD_ASPECT_RATIO_1_1_SQUARE,
+ [V4L2_MPEG_ASPECT_4_3] = BLACKBIRD_ASPECT_RATIO_4_3,
+ [V4L2_MPEG_ASPECT_16_9] = BLACKBIRD_ASPECT_RATIO_16_9,
+ [V4L2_MPEG_ASPECT_1_221] = BLACKBIRD_ASPECT_RATIO_221_100,
+};
+static enum blackbird_video_bitrate_type mpeg_video_bitrates[] = {
+ [V4L2_BITRATE_NONE] = BLACKBIRD_VIDEO_CBR,
+ [V4L2_BITRATE_CBR] = BLACKBIRD_VIDEO_CBR,
+ [V4L2_BITRATE_VBR] = BLACKBIRD_VIDEO_VBR,
+};
+/* find the best layer I/II bitrate to fit a given numeric value */
+struct bitrate_bits {
+ u32 bits; /* layer bits for the best fit */
+ u32 rate; /* actual numeric value for the layer best fit */
+};
+struct bitrate_approximation {
+ u32 target; /* numeric value of the rate we want */
+ struct bitrate_bits layer[2];
+};
+static struct bitrate_approximation mpeg_audio_bitrates[] = {
+ /* target layer[0].bits layer[0].rate layer[1].bits layer[1].rate */
+ { 0, { { 0, 0, }, { 0, 0, }, }, },
+ { 32, { { BLACKBIRD_AUDIO_BITS_LAYER_1_32 , 32, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_32 , 32, }, }, },
+ { 48, { { BLACKBIRD_AUDIO_BITS_LAYER_1_64 , 64, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_48 , 48, }, }, },
+ { 56, { { BLACKBIRD_AUDIO_BITS_LAYER_1_64 , 64, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_56 , 56, }, }, },
+ { 64, { { BLACKBIRD_AUDIO_BITS_LAYER_1_64 , 64, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_64 , 64, }, }, },
+ { 80, { { BLACKBIRD_AUDIO_BITS_LAYER_1_96 , 96, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_80 , 80, }, }, },
+ { 96, { { BLACKBIRD_AUDIO_BITS_LAYER_1_96 , 96, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_96 , 96, }, }, },
+ { 112, { { BLACKBIRD_AUDIO_BITS_LAYER_1_128, 128, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_112, 112, }, }, },
+ { 128, { { BLACKBIRD_AUDIO_BITS_LAYER_1_128, 128, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_128, 128, }, }, },
+ { 160, { { BLACKBIRD_AUDIO_BITS_LAYER_1_160, 160, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_160, 160, }, }, },
+ { 192, { { BLACKBIRD_AUDIO_BITS_LAYER_1_192, 192, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_192, 192, }, }, },
+ { 224, { { BLACKBIRD_AUDIO_BITS_LAYER_1_224, 224, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_224, 224, }, }, },
+ { 256, { { BLACKBIRD_AUDIO_BITS_LAYER_1_256, 256, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_256, 256, }, }, },
+ { 288, { { BLACKBIRD_AUDIO_BITS_LAYER_1_288, 288, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_320, 320, }, }, },
+ { 320, { { BLACKBIRD_AUDIO_BITS_LAYER_1_320, 320, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_320, 320, }, }, },
+ { 352, { { BLACKBIRD_AUDIO_BITS_LAYER_1_352, 352, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_384, 384, }, }, },
+ { 384, { { BLACKBIRD_AUDIO_BITS_LAYER_1_384, 384, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_384, 384, }, }, },
+ { 416, { { BLACKBIRD_AUDIO_BITS_LAYER_1_416, 416, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_384, 384, }, }, },
+ { 448, { { BLACKBIRD_AUDIO_BITS_LAYER_1_448, 448, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_384, 384, }, }, },
+};
+static const int BITRATES_SIZE = ARRAY_SIZE(mpeg_audio_bitrates);
+
+static void blackbird_set_default_params(struct cx8802_dev *dev)
{
- int bitrate_mode = 1;
- int bitrate = 7500000;
- int bitrate_peak = 7500000;
- bitrate_mode = BLACKBIRD_VIDEO_CBR;
- bitrate = 4000*1024;
- bitrate_peak = 4000*1024;
+ struct v4l2_mpeg_compression *params = &dev->params;
/* assign stream type */
- blackbird_api_cmd(dev, BLACKBIRD_API_SET_STREAM_TYPE, 1, 0, BLACKBIRD_STREAM_PROGRAM);
-
- /* assign output port */
- blackbird_api_cmd(dev, BLACKBIRD_API_SET_OUTPUT_PORT, 1, 0, BLACKBIRD_OUTPUT_PORT_STREAMING); /* Host */
+ if( params->st_type >= ARRAY_SIZE(mpeg_stream_types) )
+ params->st_type = V4L2_MPEG_PS_2;
+ if( params->st_type == V4L2_MPEG_SS_1 )
+ params->vi_type = V4L2_MPEG_VI_1;
+ else
+ params->vi_type = V4L2_MPEG_VI_2;
+ blackbird_api_cmd(dev, BLACKBIRD_API_SET_STREAM_TYPE, 1, 0, mpeg_stream_types[params->st_type]);
/* assign framerate */
- blackbird_api_cmd(dev, BLACKBIRD_API_SET_FRAMERATE, 1, 0, BLACKBIRD_FRAMERATE_PAL_25);
-
- /* assign frame size */
- blackbird_api_cmd(dev, BLACKBIRD_API_SET_RESOLUTION, 2, 0,
- dev->height, dev->width);
+ if( params->vi_frame_rate <= 25 )
+ {
+ params->vi_frame_rate = 25;
+ blackbird_api_cmd(dev, BLACKBIRD_API_SET_FRAMERATE, 1, 0, BLACKBIRD_FRAMERATE_PAL_25);
+ }
+ else
+ {
+ params->vi_frame_rate = 30;
+ blackbird_api_cmd(dev, BLACKBIRD_API_SET_FRAMERATE, 1, 0, BLACKBIRD_FRAMERATE_NTSC_30);
+ }
/* assign aspect ratio */
- blackbird_api_cmd(dev, BLACKBIRD_API_SET_ASPECT_RATIO, 1, 0, BLACKBIRD_ASPECT_RATIO_4_3);
-
- /* assign bitrates */
- blackbird_api_cmd(dev, BLACKBIRD_API_SET_VIDEO_BITRATE, 5, 0,
- bitrate_mode, /* mode */
- bitrate, /* bps */
- bitrate_peak / BLACKBIRD_PEAK_RATE_DIVISOR, /* peak/400 */
- BLACKBIRD_MUX_RATE_DEFAULT /*, 0x70*/); /* encoding buffer, ckennedy */
+ if( params->vi_aspect_ratio >= ARRAY_SIZE(mpeg_stream_ratios) )
+ params->vi_aspect_ratio = V4L2_MPEG_ASPECT_4_3;
+ blackbird_api_cmd(dev, BLACKBIRD_API_SET_ASPECT_RATIO, 1, 0, mpeg_stream_ratios[params->vi_aspect_ratio]);
/* assign gop properties */
- blackbird_api_cmd(dev, BLACKBIRD_API_SET_GOP_STRUCTURE, 2, 0, 15, 3);
+ blackbird_api_cmd(dev, BLACKBIRD_API_SET_GOP_STRUCTURE, 2, 0, params->vi_frames_per_gop, params->vi_bframes_count+1);
+
+ /* assign gop closure */
+ blackbird_api_cmd(dev, BLACKBIRD_API_SET_GOP_CLOSURE, 1, 0, params->closed_gops);
/* assign 3 2 pulldown */
- blackbird_api_cmd(dev, BLACKBIRD_API_SET_3_2_PULLDOWN, 1, 0, BLACKBIRD_3_2_PULLDOWN_DISABLED);
+ blackbird_api_cmd(dev, BLACKBIRD_API_SET_3_2_PULLDOWN, 1, 0, params->pulldown);
+
+ /* make sure the params are within bounds */
+ if( params->st_bitrate.mode >= ARRAY_SIZE(mpeg_video_bitrates) )
+ params->vi_bitrate.mode = V4L2_BITRATE_NONE;
+ if( params->vi_bitrate.mode >= ARRAY_SIZE(mpeg_video_bitrates) )
+ params->vi_bitrate.mode = V4L2_BITRATE_NONE;
+ if( params->au_bitrate.mode >= ARRAY_SIZE(mpeg_video_bitrates) )
+ params->au_bitrate.mode = V4L2_BITRATE_NONE;
/* assign audio properties */
/* note: it's not necessary to set the samplerate, the mpeg encoder seems to autodetect/adjust */
- /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_AUDIO_PROPERTIES, 1, 0, (2<<2) | (8<<4));
- blackbird_api_cmd(dev, IVTV_API_ASSIGN_AUDIO_PROPERTIES, 1, 0, 0 | (2 << 2) | (14 << 4)); */
- blackbird_api_cmd(dev, BLACKBIRD_API_SET_AUDIO_PARAMS, 1, 0,
- BLACKBIRD_AUDIO_BITS_44100HZ |
- BLACKBIRD_AUDIO_BITS_LAYER_2 |
- BLACKBIRD_AUDIO_BITS_LAYER_2_224 |
- BLACKBIRD_AUDIO_BITS_STEREO |
+ u32 au_params = BLACKBIRD_AUDIO_BITS_STEREO |
/* BLACKBIRD_AUDIO_BITS_BOUND_4 | */
BLACKBIRD_AUDIO_BITS_EMPHASIS_NONE |
BLACKBIRD_AUDIO_BITS_CRC_OFF |
BLACKBIRD_AUDIO_BITS_COPYRIGHT_OFF |
- BLACKBIRD_AUDIO_BITS_COPY
- );
+ BLACKBIRD_AUDIO_BITS_COPY |
+ 0;
+ if( params->au_sample_rate <= 32000 )
+ {
+ params->au_sample_rate = 32000;
+ au_params |= BLACKBIRD_AUDIO_BITS_32000HZ;
+ }
+ else if( params->au_sample_rate <= 44100 )
+ {
+ params->au_sample_rate = 44100;
+ au_params |= BLACKBIRD_AUDIO_BITS_44100HZ;
+ }
+ else
+ {
+ params->au_sample_rate = 48000;
+ au_params |= BLACKBIRD_AUDIO_BITS_48000HZ;
+ }
+ if( params->au_type == V4L2_MPEG_AU_2_I )
+ {
+ au_params |= BLACKBIRD_AUDIO_BITS_LAYER_1;
+ }
+ else
+ {
+ /* TODO: try to handle the other formats more gracefully */
+ params->au_type = V4L2_MPEG_AU_2_II;
+ au_params |= BLACKBIRD_AUDIO_BITS_LAYER_2;
+ }
+ if( params->au_bitrate.mode )
+ {
+ if( params->au_bitrate.mode == V4L2_BITRATE_CBR )
+ params->au_bitrate.max = params->vi_bitrate.target;
+ else
+ params->au_bitrate.target = params->vi_bitrate.max;
+
+ int layer = params->au_type;
+ if( params->au_bitrate.target == 0 )
+ {
+ /* TODO: use the minimum possible bitrate instead of 0 ? */
+ au_params |= 0;
+ }
+ else if( params->au_bitrate.target >=
+ mpeg_audio_bitrates[BITRATES_SIZE-1].layer[layer].rate )
+ {
+ /* clamp the bitrate to the max supported by the standard */
+ params->au_bitrate.target = mpeg_audio_bitrates[BITRATES_SIZE-1].layer[layer].rate;
+ params->au_bitrate.max = params->au_bitrate.target;
+ au_params |= mpeg_audio_bitrates[BITRATES_SIZE-1].layer[layer].bits;
+ }
+ else
+ {
+ /* round up to the nearest supported bitrate */
+ int i;
+ for(i = 1; i < BITRATES_SIZE; i++)
+ {
+ if( params->au_bitrate.target > mpeg_audio_bitrates[i-1].layer[layer].rate &&
+ params->au_bitrate.target <= mpeg_audio_bitrates[i].layer[layer].rate )
+ {
+ params->au_bitrate.target = mpeg_audio_bitrates[i].layer[layer].rate;
+ params->au_bitrate.max = params->au_bitrate.target;
+ au_params |= mpeg_audio_bitrates[i].layer[layer].bits;
+ break;
+ }
+ }
+ }
+ }
+ else
+ {
+ /* TODO: ??? */
+ params->au_bitrate.target = params->au_bitrate.max = 0;
+ au_params |= 0;
+ }
+ blackbird_api_cmd(dev, BLACKBIRD_API_SET_AUDIO_PARAMS, 1, 0, au_params );
+
+ /* assign bitrates */
+ if( params->vi_bitrate.mode )
+ {
+ /* bitrate is set, let's figure out the cbr/vbr mess */
+ if( params->vi_bitrate.max < params->vi_bitrate.target )
+ {
+ if( params->vi_bitrate.mode == V4L2_BITRATE_CBR )
+ params->vi_bitrate.max = params->vi_bitrate.target;
+ else
+ params->vi_bitrate.target = params->vi_bitrate.max;
+ }
+ }
+ else
+ {
+ if( params->st_bitrate.max < params->st_bitrate.target )
+ {
+ if( params->st_bitrate.mode == V4L2_BITRATE_VBR )
+ params->st_bitrate.target = params->st_bitrate.max;
+ else
+ params->st_bitrate.max = params->st_bitrate.target;
+ }
+ /* calculate vi_bitrate = st_bitrate - au_bitrate */
+ params->vi_bitrate.max = params->st_bitrate.max - params->au_bitrate.max;
+ params->vi_bitrate.target = params->st_bitrate.target - params->au_bitrate.target;
+ }
+ blackbird_api_cmd(dev, BLACKBIRD_API_SET_VIDEO_BITRATE, 4, 0,
+ mpeg_video_bitrates[params->vi_bitrate.mode],
+ params->vi_bitrate.target * 1000, /* kbps -> bps */
+ params->vi_bitrate.max * 1000 / BLACKBIRD_PEAK_RATE_DIVISOR, /* peak/400 */
+ BLACKBIRD_MUX_RATE_DEFAULT /*, 0x70*/); /* encoding buffer, ckennedy */
+
+ /* TODO: implement the stream ID stuff:
+ ts_pid_pmt, ts_pid_audio, ts_pid_video, ts_pid_pcr,
+ ps_size, au_pesid, vi_pesid
+ */
+}
+#define CHECK_PARAM( name ) ( dev->params.name != params->name )
+#define IF_PARAM( name ) if( CHECK_PARAM( name ) )
+#define UPDATE_PARAM( name ) dev->params.name = params->name
+void blackbird_set_params(struct cx8802_dev *dev, struct v4l2_mpeg_compression *params)
+{
+ /* assign stream type */
+ if( params->st_type >= ARRAY_SIZE(mpeg_stream_types) )
+ params->st_type = V4L2_MPEG_PS_2;
+ if( params->st_type == V4L2_MPEG_SS_1 )
+ params->vi_type = V4L2_MPEG_VI_1;
+ else
+ params->vi_type = V4L2_MPEG_VI_2;
+ if( CHECK_PARAM( st_type ) || CHECK_PARAM( vi_type ) )
+ {
+ UPDATE_PARAM( st_type );
+ UPDATE_PARAM( vi_type );
+ blackbird_api_cmd(dev, BLACKBIRD_API_SET_STREAM_TYPE, 1, 0, mpeg_stream_types[params->st_type]);
+ }
+
+ /* assign framerate */
+ if( params->vi_frame_rate <= 25 )
+ params->vi_frame_rate = 25;
+ else
+ params->vi_frame_rate = 30;
+ IF_PARAM( vi_frame_rate )
+ {
+ UPDATE_PARAM( vi_frame_rate );
+ if( params->vi_frame_rate == 25 )
+ blackbird_api_cmd(dev, BLACKBIRD_API_SET_FRAMERATE, 1, 0, BLACKBIRD_FRAMERATE_PAL_25);
+ else
+ blackbird_api_cmd(dev, BLACKBIRD_API_SET_FRAMERATE, 1, 0, BLACKBIRD_FRAMERATE_NTSC_30);
+ }
+
+ /* assign aspect ratio */
+ if( params->vi_aspect_ratio >= ARRAY_SIZE(mpeg_stream_ratios) )
+ params->vi_aspect_ratio = V4L2_MPEG_ASPECT_4_3;
+ IF_PARAM( vi_aspect_ratio )
+ {
+ UPDATE_PARAM( vi_aspect_ratio );
+ blackbird_api_cmd(dev, BLACKBIRD_API_SET_ASPECT_RATIO, 1, 0, mpeg_stream_ratios[params->vi_aspect_ratio]);
+ }
+
+ /* assign gop properties */
+ if( CHECK_PARAM( vi_frames_per_gop ) || CHECK_PARAM( vi_bframes_count ) )
+ {
+ UPDATE_PARAM( vi_frames_per_gop );
+ UPDATE_PARAM( vi_bframes_count );
+ blackbird_api_cmd(dev, BLACKBIRD_API_SET_GOP_STRUCTURE, 2, 0, params->vi_frames_per_gop, params->vi_bframes_count+1);
+ }
/* assign gop closure */
- blackbird_api_cmd(dev, BLACKBIRD_API_SET_GOP_CLOSURE, 1, 0, BLACKBIRD_GOP_CLOSURE_OFF);
+ IF_PARAM( closed_gops )
+ {
+ UPDATE_PARAM( closed_gops );
+ blackbird_api_cmd(dev, BLACKBIRD_API_SET_GOP_CLOSURE, 1, 0, params->closed_gops);
+ }
+ /* assign 3 2 pulldown */
+ IF_PARAM( pulldown )
+ {
+ UPDATE_PARAM( pulldown );
+ blackbird_api_cmd(dev, BLACKBIRD_API_SET_3_2_PULLDOWN, 1, 0, params->pulldown);
+ }
+ /* make sure the params are within bounds */
+ if( params->st_bitrate.mode >= ARRAY_SIZE(mpeg_video_bitrates) )
+ params->vi_bitrate.mode = V4L2_BITRATE_NONE;
+ if( params->vi_bitrate.mode >= ARRAY_SIZE(mpeg_video_bitrates) )
+ params->vi_bitrate.mode = V4L2_BITRATE_NONE;
+ if( params->au_bitrate.mode >= ARRAY_SIZE(mpeg_video_bitrates) )
+ params->au_bitrate.mode = V4L2_BITRATE_NONE;
+
+ /* assign audio properties */
+ /* note: it's not necessary to set the samplerate, the mpeg encoder seems to autodetect/adjust */
+ u32 au_params = BLACKBIRD_AUDIO_BITS_STEREO |
+ /* BLACKBIRD_AUDIO_BITS_BOUND_4 | */
+ BLACKBIRD_AUDIO_BITS_EMPHASIS_NONE |
+ BLACKBIRD_AUDIO_BITS_CRC_OFF |
+ BLACKBIRD_AUDIO_BITS_COPYRIGHT_OFF |
+ BLACKBIRD_AUDIO_BITS_COPY |
+ 0;
+ if( params->au_sample_rate < 32000 )
+ {
+ params->au_sample_rate = 32000;
+ au_params |= BLACKBIRD_AUDIO_BITS_32000HZ;
+ }
+ else if( params->au_sample_rate < 44100 )
+ {
+ params->au_sample_rate = 44100;
+ au_params |= BLACKBIRD_AUDIO_BITS_44100HZ;
+ }
+ else
+ {
+ params->au_sample_rate = 48000;
+ au_params |= BLACKBIRD_AUDIO_BITS_48000HZ;
+ }
+ if( params->au_type == V4L2_MPEG_AU_2_I )
+ {
+ au_params |= BLACKBIRD_AUDIO_BITS_LAYER_1;
+ }
+ else
+ {
+ /* TODO: try to handle the other formats more gracefully */
+ params->au_type = V4L2_MPEG_AU_2_II;
+ au_params |= BLACKBIRD_AUDIO_BITS_LAYER_2;
+ }
+ if( params->au_bitrate.mode )
+ {
+ if( params->au_bitrate.mode == V4L2_BITRATE_CBR )
+ params->au_bitrate.max = params->vi_bitrate.target;
+ else
+ params->au_bitrate.target = params->vi_bitrate.max;
+
+ int layer = params->au_type;
+ if( params->au_bitrate.target == 0 )
+ {
+ /* TODO: use the minimum possible bitrate instead of 0 ? */
+ au_params |= 0;
+ }
+ else if( params->au_bitrate.target >=
+ mpeg_audio_bitrates[BITRATES_SIZE-1].layer[layer].rate )
+ {
+ /* clamp the bitrate to the max supported by the standard */
+ params->au_bitrate.target = mpeg_audio_bitrates[BITRATES_SIZE-1].layer[layer].rate;
+ params->au_bitrate.max = params->au_bitrate.target;
+ au_params |= mpeg_audio_bitrates[BITRATES_SIZE-1].layer[layer].bits;
+ }
+ else
+ {
+ /* round up to the nearest supported bitrate */
+ int i;
+ for(i = 1; i < BITRATES_SIZE; i++)
+ {
+ if( params->au_bitrate.target > mpeg_audio_bitrates[i-1].layer[layer].rate &&
+ params->au_bitrate.target <= mpeg_audio_bitrates[i].layer[layer].rate )
+ {
+ params->au_bitrate.target = mpeg_audio_bitrates[i].layer[layer].rate;
+ params->au_bitrate.max = params->au_bitrate.target;
+ au_params |= mpeg_audio_bitrates[i].layer[layer].bits;
+ break;
+ }
+ }
+ }
+ }
+ else
+ {
+ /* TODO: ??? */
+ params->au_bitrate.target = params->au_bitrate.max = 0;
+ au_params |= 0;
+ }
+ if( CHECK_PARAM( au_type ) || CHECK_PARAM( au_sample_rate )
+ || CHECK_PARAM( au_bitrate.mode ) || CHECK_PARAM( au_bitrate.max )
+ || CHECK_PARAM( au_bitrate.target )
+ )
+ {
+ UPDATE_PARAM( au_type );
+ UPDATE_PARAM( au_sample_rate );
+ UPDATE_PARAM( au_bitrate );
+ blackbird_api_cmd(dev, BLACKBIRD_API_SET_AUDIO_PARAMS, 1, 0, au_params );
+ }
+
+ /* assign bitrates */
+ if( params->vi_bitrate.mode )
+ {
+ /* bitrate is set, let's figure out the cbr/vbr mess */
+ if( params->vi_bitrate.max < params->vi_bitrate.target )
+ {
+ if( params->vi_bitrate.mode == V4L2_BITRATE_CBR )
+ params->vi_bitrate.max = params->vi_bitrate.target;
+ else
+ params->vi_bitrate.target = params->vi_bitrate.max;
+ }
+ }
+ else
+ {
+ if( params->st_bitrate.max < params->st_bitrate.target )
+ {
+ if( params->st_bitrate.mode == V4L2_BITRATE_VBR )
+ params->st_bitrate.target = params->st_bitrate.max;
+ else
+ params->st_bitrate.max = params->st_bitrate.target;
+ }
+ /* calculate vi_bitrate = st_bitrate - au_bitrate */
+ params->vi_bitrate.max = params->st_bitrate.max - params->au_bitrate.max;
+ params->vi_bitrate.target = params->st_bitrate.target - params->au_bitrate.target;
+ }
+ UPDATE_PARAM( st_bitrate );
+ if( CHECK_PARAM( vi_bitrate.mode ) || CHECK_PARAM( vi_bitrate.max )
+ || CHECK_PARAM( vi_bitrate.target )
+ )
+ {
+ UPDATE_PARAM( vi_bitrate );
+ blackbird_api_cmd(dev, BLACKBIRD_API_SET_VIDEO_BITRATE, 4, 0,
+ mpeg_video_bitrates[params->vi_bitrate.mode],
+ params->vi_bitrate.target * 1000, /* kbps -> bps */
+ params->vi_bitrate.max * 1000 / BLACKBIRD_PEAK_RATE_DIVISOR, /* peak/400 */
+ BLACKBIRD_MUX_RATE_DEFAULT /*, 0x70*/); /* encoding buffer, ckennedy */
+ }
+
+ /* TODO: implement the stream ID stuff:
+ ts_pid_pmt, ts_pid_audio, ts_pid_video, ts_pid_pcr,
+ ps_size, au_pesid, vi_pesid
+ */
+ UPDATE_PARAM( ts_pid_pmt );
+ UPDATE_PARAM( ts_pid_audio );
+ UPDATE_PARAM( ts_pid_video );
+ UPDATE_PARAM( ts_pid_pcr );
+ UPDATE_PARAM( ps_size );
+ UPDATE_PARAM( au_pesid );
+ UPDATE_PARAM( vi_pesid );
+}
+
+static void blackbird_set_default_dnr_params(struct cx8802_dev *dev)
+{
/* assign dnr filter mode */
+ if( dev->dnr_params.mode > BLACKBIRD_DNR_BITS_AUTO )
+ dev->dnr_params.mode = BLACKBIRD_DNR_BITS_MANUAL;
+ if( dev->dnr_params.type > BLACKBIRD_MEDIAN_FILTER_DIAGONAL )
+ dev->dnr_params.type = BLACKBIRD_MEDIAN_FILTER_DISABLED;
blackbird_api_cmd(dev, BLACKBIRD_API_SET_DNR_MODE, 2, 0,
- BLACKBIRD_DNR_BITS_MANUAL,
- BLACKBIRD_MEDIAN_FILTER_DISABLED
- );
+ dev->dnr_params.mode,
+ dev->dnr_params.type
+ );
/* assign dnr filter props*/
- blackbird_api_cmd(dev, BLACKBIRD_API_SET_MANUAL_DNR, 2, 0, 0, 0);
+ if( dev->dnr_params.spatial > 15 )
+ dev->dnr_params.spatial = 15;
+ if( dev->dnr_params.temporal > 31 )
+ dev->dnr_params.temporal = 31;
+ blackbird_api_cmd(dev, BLACKBIRD_API_SET_MANUAL_DNR, 2, 0,
+ dev->dnr_params.spatial,
+ dev->dnr_params.temporal
+ );
+}
+#define CHECK_DNR_PARAM( name ) ( dev->dnr_params.name != dnr_params->name )
+#define UPDATE_DNR_PARAM( name ) dev->dnr_params.name = dnr_params->name
+void blackbird_set_dnr_params(struct cx8802_dev *dev, struct blackbird_dnr* dnr_params)
+{
+ /* assign dnr filter mode */
+ /* clamp values */
+ if( dnr_params->mode > BLACKBIRD_DNR_BITS_AUTO )
+ dnr_params->mode = BLACKBIRD_DNR_BITS_MANUAL;
+ if( dnr_params->type > BLACKBIRD_MEDIAN_FILTER_DIAGONAL )
+ dnr_params->type = BLACKBIRD_MEDIAN_FILTER_DISABLED;
+ /* check if the params actually changed */
+ if( CHECK_DNR_PARAM( mode ) || CHECK_DNR_PARAM( type ) )
+ {
+ UPDATE_DNR_PARAM( mode );
+ UPDATE_DNR_PARAM( type );
+ blackbird_api_cmd(dev, BLACKBIRD_API_SET_DNR_MODE, 2, 0, dnr_params->mode, dnr_params->type);
+ }
+
+ /* assign dnr filter props*/
+ if( dnr_params->spatial > 15 )
+ dnr_params->spatial = 15;
+ if( dnr_params->temporal > 31 )
+ dnr_params->temporal = 31;
+ if( CHECK_DNR_PARAM( spatial ) || CHECK_DNR_PARAM( temporal ) )
+ {
+ UPDATE_DNR_PARAM( spatial );
+ UPDATE_DNR_PARAM( temporal );
+ blackbird_api_cmd(dev, BLACKBIRD_API_SET_MANUAL_DNR, 2, 0, dnr_params->spatial, dnr_params->temporal);
+ }
+}
+
+static void blackbird_codec_settings(struct cx8802_dev *dev)
+{
+
+ /* assign output port */
+ blackbird_api_cmd(dev, BLACKBIRD_API_SET_OUTPUT_PORT, 1, 0, BLACKBIRD_OUTPUT_PORT_STREAMING); /* Host */
+
+ /* assign frame size */
+ blackbird_api_cmd(dev, BLACKBIRD_API_SET_RESOLUTION, 2, 0,
+ dev->height, dev->width);
/* assign coring levels (luma_h, luma_l, chroma_h, chroma_l) */
blackbird_api_cmd(dev, BLACKBIRD_API_SET_DNR_MEDIAN, 4, 0, 0, 255, 0, 255);
/* assign spatial filter type: luma_t: horiz_only, chroma_t: horiz_only */
blackbird_api_cmd(dev, BLACKBIRD_API_SET_SPATIAL_FILTER, 2, 0,
- BLACKBIRD_SPATIAL_FILTER_LUMA_1D_HORIZ,
- BLACKBIRD_SPATIAL_FILTER_CHROMA_1D_HORIZ
- );
+ BLACKBIRD_SPATIAL_FILTER_LUMA_1D_HORIZ,
+ BLACKBIRD_SPATIAL_FILTER_CHROMA_1D_HORIZ
+ );
/* assign frame drop rate */
/* blackbird_api_cmd(dev, IVTV_API_ASSIGN_FRAME_DROP_RATE, 1, 0, 0); */
+
+ blackbird_set_default_params(dev);
+ blackbird_set_default_dnr_params(dev);
}
static int blackbird_initialize_codec(struct cx8802_dev *dev)
@@ -851,15 +1320,10 @@
struct cx8802_fh *fh = q->priv_data;
fh->dev->ts_packet_size = 188 * 4; /* was: 512 */
- fh->dev->ts_packet_count = 32; /* was: 100 */
+ fh->dev->ts_packet_count = mpegbufs; /* was: 100 */
*size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
- if (0 == *count)
- *count = mpegbufs;
- if (*count < 2)
- *count = 2;
- if (*count > 32)
- *count = 32;
+ *count = fh->dev->ts_packet_count;
return 0;
}
@@ -868,7 +1332,7 @@
enum v4l2_field field)
{
struct cx8802_fh *fh = q->priv_data;
- return cx8802_buf_prepare(fh->dev, (struct cx88_buffer*)vb);
+ return cx8802_buf_prepare(fh->dev, (struct cx88_buffer*)vb, field);
}
static void
@@ -920,8 +1384,6 @@
V4L2_CAP_VIDEO_CAPTURE |
V4L2_CAP_READWRITE |
V4L2_CAP_STREAMING |
- V4L2_CAP_VBI_CAPTURE |
- V4L2_CAP_VIDEO_OVERLAY |
0;
if (UNSET != core->tuner_type)
cap->capabilities |= V4L2_CAP_TUNER;
@@ -941,27 +1403,52 @@
memset(f,0,sizeof(*f));
f->index = index;
- strlcpy(f->description, "MPEG TS", sizeof(f->description));
+ strlcpy(f->description, "MPEG", sizeof(f->description));
f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
f->pixelformat = V4L2_PIX_FMT_MPEG;
return 0;
}
case VIDIOC_G_FMT:
- case VIDIOC_S_FMT:
- case VIDIOC_TRY_FMT:
{
- /* FIXME -- quick'n'dirty for exactly one size ... */
struct v4l2_format *f = arg;
memset(f,0,sizeof(*f));
f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
+ f->fmt.pix.bytesperline = 0;
+ f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */
+ f->fmt.pix.colorspace = 0;
f->fmt.pix.width = dev->width;
f->fmt.pix.height = dev->height;
+ f->fmt.pix.field = fh->mpegq.field;
+ dprintk(0,"VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
+ dev->width, dev->height, fh->mpegq.field );
+ return 0;
+ }
+ case VIDIOC_TRY_FMT:
+ {
+ struct v4l2_format *f = arg;
+
+ f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
- f->fmt.pix.field = V4L2_FIELD_NONE;
f->fmt.pix.bytesperline = 0;
- f->fmt.pix.sizeimage = 188 * 4 * 1024; /* 1024 * 512 */ /* FIXME: BUFFER_SIZE */;
+ f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
f->fmt.pix.colorspace = 0;
+ dprintk(0,"VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
+ dev->width, dev->height, fh->mpegq.field );
+ return 0;
+ }
+ case VIDIOC_S_FMT:
+ {
+ struct v4l2_format *f = arg;
+
+ f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
+ f->fmt.pix.bytesperline = 0;
+ f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
+ f->fmt.pix.colorspace = 0;
+ dprintk(0,"VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
+ f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field );
return 0;
}
@@ -985,6 +1472,22 @@
case VIDIOC_STREAMOFF:
return videobuf_streamoff(&fh->mpegq);
+ /* --- mpeg compression -------------------------------------- */
+ case VIDIOC_G_MPEGCOMP:
+ {
+ struct v4l2_mpeg_compression *f = arg;
+
+ memcpy(f,&dev->params,sizeof(*f));
+ return 0;
+ }
+ case VIDIOC_S_MPEGCOMP:
+ {
+ struct v4l2_mpeg_compression *f = arg;
+
+ blackbird_set_params(dev, f);
+ return 0;
+ }
+
default:
return cx88_do_ioctl( inode, file, 0, dev->core, cmd, arg, cx88_ioctl_hook );
}
@@ -1034,16 +1537,17 @@
file->private_data = fh;
fh->dev = dev;
- /* FIXME: locking against other video device */
- cx88_set_scale(dev->core, dev->width, dev->height,
- V4L2_FIELD_INTERLACED);
-
videobuf_queue_init(&fh->mpegq, &blackbird_qops,
dev->pci, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
- V4L2_FIELD_TOP,
+ V4L2_FIELD_INTERLACED,
sizeof(struct cx88_buffer),
fh);
+
+ /* FIXME: locking against other video device */
+ cx88_set_scale(dev->core, dev->width, dev->height,
+ fh->mpegq.field);
+
return 0;
}
@@ -1173,6 +1677,8 @@
dev->core = core;
dev->width = 720;
dev->height = 576;
+ memcpy(&dev->params,&default_mpeg_params,sizeof(default_mpeg_params));
+ memcpy(&dev->dnr_params,&default_dnr_params,sizeof(default_dnr_params));
err = cx8802_init_common(dev);
if (0 != err)
@@ -1257,6 +1763,8 @@
EXPORT_SYMBOL(cx88_ioctl_hook);
EXPORT_SYMBOL(cx88_ioctl_translator);
+EXPORT_SYMBOL(blackbird_set_params);
+EXPORT_SYMBOL(blackbird_set_dnr_params);
/* ----------------------------------------------------------- */
/*
diff --git a/drivers/media/video/cx88/cx88-mpeg.c b/drivers/media/video/cx88/cx88-mpeg.c
index ee2300e..2c4fbe9 100644
--- a/drivers/media/video/cx88/cx88-mpeg.c
+++ b/drivers/media/video/cx88/cx88-mpeg.c
@@ -54,7 +54,7 @@
{
struct cx88_core *core = dev->core;
- dprintk(0, "cx8802_start_dma %d\n", buf->vb.width);
+ dprintk(0, "cx8802_start_dma w: %d, h: %d, f: %d\n", dev->width, dev->height, buf->vb.field);
/* setup fifo + format */
cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH28],
@@ -158,7 +158,8 @@
/* ------------------------------------------------------------------ */
-int cx8802_buf_prepare(struct cx8802_dev *dev, struct cx88_buffer *buf)
+int cx8802_buf_prepare(struct cx8802_dev *dev, struct cx88_buffer *buf,
+ enum v4l2_field field)
{
int size = dev->ts_packet_size * dev->ts_packet_count;
int rc;
@@ -171,7 +172,7 @@
buf->vb.width = dev->ts_packet_size;
buf->vb.height = dev->ts_packet_count;
buf->vb.size = size;
- buf->vb.field = V4L2_FIELD_TOP;
+ buf->vb.field = field /*V4L2_FIELD_TOP*/;
if (0 != (rc = videobuf_iolock(dev->pci,&buf->vb,NULL)))
goto fail;
diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c
index 3dbc074..67630f6 100644
--- a/drivers/media/video/cx88/cx88-video.c
+++ b/drivers/media/video/cx88/cx88-video.c
@@ -1258,8 +1258,6 @@
if (video_debug > 1)
cx88_print_ioctl(core->name,cmd);
- printk( KERN_INFO "CORE IOCTL: 0x%x\n", cmd );
- cx88_print_ioctl(core->name,cmd);
dprintk( 1, "CORE IOCTL: 0x%x\n", cmd );
switch (cmd) {
diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h
index 88050a0..b18205b 100644
--- a/drivers/media/video/cx88/cx88.h
+++ b/drivers/media/video/cx88/cx88.h
@@ -371,6 +371,14 @@
int disabled;
};
+/* TODO: move this to struct v4l2_mpeg_compression ? */
+struct blackbird_dnr {
+ u32 mode;
+ u32 type;
+ u32 spatial;
+ u32 temporal;
+};
+
struct cx8802_dev {
struct cx88_core *core;
spinlock_t slock;
@@ -401,6 +409,10 @@
/* for switching modulation types */
unsigned char ts_gen_cntrl;
+
+ /* mpeg params */
+ struct v4l2_mpeg_compression params;
+ struct blackbird_dnr dnr_params;
};
/* ----------------------------------------------------------- */
@@ -542,7 +554,8 @@
/* ----------------------------------------------------------- */
/* cx88-mpeg.c */
-int cx8802_buf_prepare(struct cx8802_dev *dev, struct cx88_buffer *buf);
+int cx8802_buf_prepare(struct cx8802_dev *dev, struct cx88_buffer *buf,
+ enum v4l2_field field);
void cx8802_buf_queue(struct cx8802_dev *dev, struct cx88_buffer *buf);
void cx8802_cancel_buffers(struct cx8802_dev *dev);
@@ -563,6 +576,10 @@
extern int (*cx88_ioctl_hook)(struct inode *inode, struct file *file,
unsigned int cmd, void *arg);
extern unsigned int (*cx88_ioctl_translator)(unsigned int cmd);
+void blackbird_set_params(struct cx8802_dev *dev,
+ struct v4l2_mpeg_compression *params);
+void blackbird_set_dnr_params(struct cx8802_dev *dev,
+ struct blackbird_dnr* dnr_params);
/*
* Local variables: