diff options
| author | Steven Toth <stoth@kernellabs.com> | 2010-07-31 21:48:45 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-10-21 13:54:40 +0400 |
| commit | eafea210719067eee084c047503830c59ae2107b (patch) | |
| tree | 4697eb2e011697150ab4b08d70f5a0920d7a2d16 /drivers/media/video/saa7164 | |
| parent | 4a52be0faa014380b7bf15c5ca7e3dea7cb4ea52 (diff) | |
| download | linux-eafea210719067eee084c047503830c59ae2107b.tar.xz | |
[media] saa7164: allow the encoder GOP structure to be configured
Signed-off-by: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/saa7164')
| -rw-r--r-- | drivers/media/video/saa7164/saa7164-api.c | 23 | ||||
| -rw-r--r-- | drivers/media/video/saa7164/saa7164-reg.h | 1 | ||||
| -rw-r--r-- | drivers/media/video/saa7164/saa7164-types.h | 12 |
3 files changed, 35 insertions, 1 deletions
diff --git a/drivers/media/video/saa7164/saa7164-api.c b/drivers/media/video/saa7164/saa7164-api.c index 5e05723fe44f..5dcdf7bb12cd 100644 --- a/drivers/media/video/saa7164/saa7164-api.c +++ b/drivers/media/video/saa7164/saa7164-api.c @@ -24,6 +24,25 @@ #include "saa7164.h" +int saa7164_api_set_gop_size(struct saa7164_port *port) +{ + struct saa7164_dev *dev = port->dev; + tmComResEncVideoGopStructure_t gs; + int ret; + + dprintk(DBGLVL_ENC, "%s()\n", __func__); + + gs.ucRefFrameDist = SAA7164_ENCODER_DEFAULT_GOP_DIST; + gs.ucGOPSize = SAA7164_ENCODER_DEFAULT_GOP_SIZE; + ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, SET_CUR, + EU_VIDEO_GOP_STRUCTURE_CONTROL, + sizeof(gs), &gs); + if (ret != SAA_OK) + printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); + + return ret; +} + int saa7164_api_set_encoder(struct saa7164_port *port) { struct saa7164_dev *dev = port->dev; @@ -31,7 +50,8 @@ int saa7164_api_set_encoder(struct saa7164_port *port) tmComResEncAudioBitRate_t ab; int ret; - dprintk(DBGLVL_ENC, "%s() unitid=0x%x\n", __func__, port->hwcfg.sourceid); + dprintk(DBGLVL_ENC, "%s() unitid=0x%x\n", __func__, + port->hwcfg.sourceid); ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, SET_CUR, EU_PROFILE_CONTROL, sizeof(u8), &port->encoder_profile); @@ -57,6 +77,7 @@ int saa7164_api_set_encoder(struct saa7164_port *port) printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); saa7164_api_set_aspect_ratio(port); + saa7164_api_set_gop_size(port); return ret; } diff --git a/drivers/media/video/saa7164/saa7164-reg.h b/drivers/media/video/saa7164/saa7164-reg.h index a4ad55907b91..ad60534463e9 100644 --- a/drivers/media/video/saa7164/saa7164-reg.h +++ b/drivers/media/video/saa7164/saa7164-reg.h @@ -205,6 +205,7 @@ #define EU_PROFILE_CONTROL 0x00 #define EU_VIDEO_FORMAT_CONTROL 0x01 #define EU_VIDEO_BIT_RATE_CONTROL 0x02 +#define EU_VIDEO_GOP_STRUCTURE_CONTROL 0x04 #define EU_VIDEO_INPUT_ASPECT_CONTROL 0x0A #define EU_AUDIO_FORMAT_CONTROL 0x0C #define EU_AUDIO_BIT_RATE_CONTROL 0x0D diff --git a/drivers/media/video/saa7164/saa7164-types.h b/drivers/media/video/saa7164/saa7164-types.h index 5340404059b3..7c2788d9a647 100644 --- a/drivers/media/video/saa7164/saa7164-types.h +++ b/drivers/media/video/saa7164/saa7164-types.h @@ -325,6 +325,18 @@ typedef struct u8 height; } __attribute__((packed)) tmComResEncVideoInputAspectRatio_t; +/* Video Encoder GOP IBP message */ +/* 1. IPPPPPPPPPPPPPP */ +/* 2. IBPBPBPBPBPBPBP */ +/* 3. IBBPBBPBBPBBP */ +#define SAA7164_ENCODER_DEFAULT_GOP_DIST ( 1) +#define SAA7164_ENCODER_DEFAULT_GOP_SIZE (15) +typedef struct +{ + u8 ucGOPSize; /* GOP Size 12, 15 */ + u8 ucRefFrameDist; /* Reference Frame Distance */ +} __attribute__((packed)) tmComResEncVideoGopStructure_t; + /* Encoder processor definition */ typedef struct { |