diff options
Diffstat (limited to 'drivers/media/video/v4l2-common.c')
| -rw-r--r-- | drivers/media/video/v4l2-common.c | 187 |
1 files changed, 127 insertions, 60 deletions
diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c index 88ca13104417..846763d7349e 100644 --- a/drivers/media/video/v4l2-common.c +++ b/drivers/media/video/v4l2-common.c @@ -60,10 +60,6 @@ #include <media/v4l2-common.h> #include <media/v4l2-chip-ident.h> -#ifdef CONFIG_KMOD -#include <linux/kmod.h> -#endif - #include <linux/videodev2.h> MODULE_AUTHOR("Bill Dirks, Justin Schoeman, Gerd Knorr"); @@ -187,9 +183,11 @@ const char **v4l2_ctrl_get_menu(u32 id) NULL }; static const char *mpeg_audio_encoding[] = { - "Layer I", - "Layer II", - "Layer III", + "MPEG-1/2 Layer I", + "MPEG-1/2 Layer II", + "MPEG-1/2 Layer III", + "MPEG-2/4 AAC", + "AC-3", NULL }; static const char *mpeg_audio_l1_bitrate[] = { @@ -243,6 +241,28 @@ const char **v4l2_ctrl_get_menu(u32 id) "320 kbps", NULL }; + static const char *mpeg_audio_ac3_bitrate[] = { + "32 kbps", + "40 kbps", + "48 kbps", + "56 kbps", + "64 kbps", + "80 kbps", + "96 kbps", + "112 kbps", + "128 kbps", + "160 kbps", + "192 kbps", + "224 kbps", + "256 kbps", + "320 kbps", + "384 kbps", + "448 kbps", + "512 kbps", + "576 kbps", + "640 kbps", + NULL + }; static const char *mpeg_audio_mode[] = { "Stereo", "Joint Stereo", @@ -271,6 +291,7 @@ const char **v4l2_ctrl_get_menu(u32 id) static const char *mpeg_video_encoding[] = { "MPEG-1", "MPEG-2", + "MPEG-4 AVC", NULL }; static const char *mpeg_video_aspect[] = { @@ -311,6 +332,8 @@ const char **v4l2_ctrl_get_menu(u32 id) return mpeg_audio_l2_bitrate; case V4L2_CID_MPEG_AUDIO_L3_BITRATE: return mpeg_audio_l3_bitrate; + case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: + return mpeg_audio_ac3_bitrate; case V4L2_CID_MPEG_AUDIO_MODE: return mpeg_audio_mode; case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: @@ -335,62 +358,73 @@ const char **v4l2_ctrl_get_menu(u32 id) } EXPORT_SYMBOL(v4l2_ctrl_get_menu); -/* Fill in a struct v4l2_queryctrl */ -int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 step, s32 def) +/* Return the control name. */ +const char *v4l2_ctrl_get_name(u32 id) { - const char *name; - - qctrl->flags = 0; - switch (qctrl->id) { + switch (id) { /* USER controls */ - case V4L2_CID_USER_CLASS: name = "User Controls"; break; - case V4L2_CID_AUDIO_VOLUME: name = "Volume"; break; - case V4L2_CID_AUDIO_MUTE: name = "Mute"; break; - case V4L2_CID_AUDIO_BALANCE: name = "Balance"; break; - case V4L2_CID_AUDIO_BASS: name = "Bass"; break; - case V4L2_CID_AUDIO_TREBLE: name = "Treble"; break; - case V4L2_CID_AUDIO_LOUDNESS: name = "Loudness"; break; - case V4L2_CID_BRIGHTNESS: name = "Brightness"; break; - case V4L2_CID_CONTRAST: name = "Contrast"; break; - case V4L2_CID_SATURATION: name = "Saturation"; break; - case V4L2_CID_HUE: name = "Hue"; break; + case V4L2_CID_USER_CLASS: return "User Controls"; + case V4L2_CID_AUDIO_VOLUME: return "Volume"; + case V4L2_CID_AUDIO_MUTE: return "Mute"; + case V4L2_CID_AUDIO_BALANCE: return "Balance"; + case V4L2_CID_AUDIO_BASS: return "Bass"; + case V4L2_CID_AUDIO_TREBLE: return "Treble"; + case V4L2_CID_AUDIO_LOUDNESS: return "Loudness"; + case V4L2_CID_BRIGHTNESS: return "Brightness"; + case V4L2_CID_CONTRAST: return "Contrast"; + case V4L2_CID_SATURATION: return "Saturation"; + case V4L2_CID_HUE: return "Hue"; /* MPEG controls */ - case V4L2_CID_MPEG_CLASS: name = "MPEG Encoder Controls"; break; - case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: name = "Audio Sampling Frequency"; break; - case V4L2_CID_MPEG_AUDIO_ENCODING: name = "Audio Encoding Layer"; break; - case V4L2_CID_MPEG_AUDIO_L1_BITRATE: name = "Audio Layer I Bitrate"; break; - case V4L2_CID_MPEG_AUDIO_L2_BITRATE: name = "Audio Layer II Bitrate"; break; - case V4L2_CID_MPEG_AUDIO_L3_BITRATE: name = "Audio Layer III Bitrate"; break; - case V4L2_CID_MPEG_AUDIO_MODE: name = "Audio Stereo Mode"; break; - case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: name = "Audio Stereo Mode Extension"; break; - case V4L2_CID_MPEG_AUDIO_EMPHASIS: name = "Audio Emphasis"; break; - case V4L2_CID_MPEG_AUDIO_CRC: name = "Audio CRC"; break; - case V4L2_CID_MPEG_AUDIO_MUTE: name = "Audio Mute"; break; - case V4L2_CID_MPEG_VIDEO_ENCODING: name = "Video Encoding"; break; - case V4L2_CID_MPEG_VIDEO_ASPECT: name = "Video Aspect"; break; - case V4L2_CID_MPEG_VIDEO_B_FRAMES: name = "Video B Frames"; break; - case V4L2_CID_MPEG_VIDEO_GOP_SIZE: name = "Video GOP Size"; break; - case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: name = "Video GOP Closure"; break; - case V4L2_CID_MPEG_VIDEO_PULLDOWN: name = "Video Pulldown"; break; - case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: name = "Video Bitrate Mode"; break; - case V4L2_CID_MPEG_VIDEO_BITRATE: name = "Video Bitrate"; break; - case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: name = "Video Peak Bitrate"; break; - case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION: name = "Video Temporal Decimation"; break; - case V4L2_CID_MPEG_VIDEO_MUTE: name = "Video Mute"; break; - case V4L2_CID_MPEG_VIDEO_MUTE_YUV: name = "Video Mute YUV"; break; - case V4L2_CID_MPEG_STREAM_TYPE: name = "Stream Type"; break; - case V4L2_CID_MPEG_STREAM_PID_PMT: name = "Stream PMT Program ID"; break; - case V4L2_CID_MPEG_STREAM_PID_AUDIO: name = "Stream Audio Program ID"; break; - case V4L2_CID_MPEG_STREAM_PID_VIDEO: name = "Stream Video Program ID"; break; - case V4L2_CID_MPEG_STREAM_PID_PCR: name = "Stream PCR Program ID"; break; - case V4L2_CID_MPEG_STREAM_PES_ID_AUDIO: name = "Stream PES Audio ID"; break; - case V4L2_CID_MPEG_STREAM_PES_ID_VIDEO: name = "Stream PES Video ID"; break; - case V4L2_CID_MPEG_STREAM_VBI_FMT: name = "Stream VBI Format"; break; + case V4L2_CID_MPEG_CLASS: return "MPEG Encoder Controls"; + case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: return "Audio Sampling Frequency"; + case V4L2_CID_MPEG_AUDIO_ENCODING: return "Audio Encoding"; + case V4L2_CID_MPEG_AUDIO_L1_BITRATE: return "Audio Layer I Bitrate"; + case V4L2_CID_MPEG_AUDIO_L2_BITRATE: return "Audio Layer II Bitrate"; + case V4L2_CID_MPEG_AUDIO_L3_BITRATE: return "Audio Layer III Bitrate"; + case V4L2_CID_MPEG_AUDIO_AAC_BITRATE: return "Audio AAC Bitrate"; + case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: return "Audio AC-3 Bitrate"; + case V4L2_CID_MPEG_AUDIO_MODE: return "Audio Stereo Mode"; + case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: return "Audio Stereo Mode Extension"; + case V4L2_CID_MPEG_AUDIO_EMPHASIS: return "Audio Emphasis"; + case V4L2_CID_MPEG_AUDIO_CRC: return "Audio CRC"; + case V4L2_CID_MPEG_AUDIO_MUTE: return "Audio Mute"; + case V4L2_CID_MPEG_VIDEO_ENCODING: return "Video Encoding"; + case V4L2_CID_MPEG_VIDEO_ASPECT: return "Video Aspect"; + case V4L2_CID_MPEG_VIDEO_B_FRAMES: return "Video B Frames"; + case V4L2_CID_MPEG_VIDEO_GOP_SIZE: return "Video GOP Size"; + case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: return "Video GOP Closure"; + case V4L2_CID_MPEG_VIDEO_PULLDOWN: return "Video Pulldown"; + case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: return "Video Bitrate Mode"; + case V4L2_CID_MPEG_VIDEO_BITRATE: return "Video Bitrate"; + case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: return "Video Peak Bitrate"; + case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION: return "Video Temporal Decimation"; + case V4L2_CID_MPEG_VIDEO_MUTE: return "Video Mute"; + case V4L2_CID_MPEG_VIDEO_MUTE_YUV: return "Video Mute YUV"; + case V4L2_CID_MPEG_STREAM_TYPE: return "Stream Type"; + case V4L2_CID_MPEG_STREAM_PID_PMT: return "Stream PMT Program ID"; + case V4L2_CID_MPEG_STREAM_PID_AUDIO: return "Stream Audio Program ID"; + case V4L2_CID_MPEG_STREAM_PID_VIDEO: return "Stream Video Program ID"; + case V4L2_CID_MPEG_STREAM_PID_PCR: return "Stream PCR Program ID"; + case V4L2_CID_MPEG_STREAM_PES_ID_AUDIO: return "Stream PES Audio ID"; + case V4L2_CID_MPEG_STREAM_PES_ID_VIDEO: return "Stream PES Video ID"; + case V4L2_CID_MPEG_STREAM_VBI_FMT: return "Stream VBI Format"; default: - return -EINVAL; + return NULL; } +} +EXPORT_SYMBOL(v4l2_ctrl_get_name); + +/* Fill in a struct v4l2_queryctrl */ +int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 step, s32 def) +{ + const char *name = v4l2_ctrl_get_name(qctrl->id); + + qctrl->flags = 0; + if (name == NULL) + return -EINVAL; + switch (qctrl->id) { case V4L2_CID_AUDIO_MUTE: case V4L2_CID_AUDIO_LOUDNESS: @@ -407,6 +441,7 @@ int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 ste case V4L2_CID_MPEG_AUDIO_L1_BITRATE: case V4L2_CID_MPEG_AUDIO_L2_BITRATE: case V4L2_CID_MPEG_AUDIO_L3_BITRATE: + case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: case V4L2_CID_MPEG_AUDIO_MODE: case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: case V4L2_CID_MPEG_AUDIO_EMPHASIS: @@ -493,7 +528,7 @@ int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl) case V4L2_CID_MPEG_AUDIO_ENCODING: return v4l2_ctrl_query_fill(qctrl, V4L2_MPEG_AUDIO_ENCODING_LAYER_1, - V4L2_MPEG_AUDIO_ENCODING_LAYER_3, 1, + V4L2_MPEG_AUDIO_ENCODING_AC3, 1, V4L2_MPEG_AUDIO_ENCODING_LAYER_2); case V4L2_CID_MPEG_AUDIO_L1_BITRATE: return v4l2_ctrl_query_fill(qctrl, @@ -510,6 +545,13 @@ int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl) V4L2_MPEG_AUDIO_L3_BITRATE_32K, V4L2_MPEG_AUDIO_L3_BITRATE_320K, 1, V4L2_MPEG_AUDIO_L3_BITRATE_192K); + case V4L2_CID_MPEG_AUDIO_AAC_BITRATE: + return v4l2_ctrl_query_fill(qctrl, 0, 6400, 1, 3200000); + case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: + return v4l2_ctrl_query_fill(qctrl, + V4L2_MPEG_AUDIO_AC3_BITRATE_32K, + V4L2_MPEG_AUDIO_AC3_BITRATE_640K, 1, + V4L2_MPEG_AUDIO_AC3_BITRATE_384K); case V4L2_CID_MPEG_AUDIO_MODE: return v4l2_ctrl_query_fill(qctrl, V4L2_MPEG_AUDIO_MODE_STEREO, @@ -535,7 +577,7 @@ int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl) case V4L2_CID_MPEG_VIDEO_ENCODING: return v4l2_ctrl_query_fill(qctrl, V4L2_MPEG_VIDEO_ENCODING_MPEG_1, - V4L2_MPEG_VIDEO_ENCODING_MPEG_2, 1, + V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC, 1, V4L2_MPEG_VIDEO_ENCODING_MPEG_2); case V4L2_CID_MPEG_VIDEO_ASPECT: return v4l2_ctrl_query_fill(qctrl, @@ -594,12 +636,17 @@ int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl) EXPORT_SYMBOL(v4l2_ctrl_query_fill_std); /* Fill in a struct v4l2_querymenu based on the struct v4l2_queryctrl and - the menu. The qctrl pointer may be NULL, in which case it is ignored. */ + the menu. The qctrl pointer may be NULL, in which case it is ignored. + If menu_items is NULL, then the menu items are retrieved using + v4l2_ctrl_get_menu. */ int v4l2_ctrl_query_menu(struct v4l2_querymenu *qmenu, struct v4l2_queryctrl *qctrl, const char **menu_items) { int i; + qmenu->reserved = 0; + if (menu_items == NULL) + menu_items = v4l2_ctrl_get_menu(qmenu->id); if (menu_items == NULL || (qctrl && (qmenu->index < qctrl->minimum || qmenu->index > qctrl->maximum))) return -EINVAL; @@ -607,11 +654,31 @@ int v4l2_ctrl_query_menu(struct v4l2_querymenu *qmenu, struct v4l2_queryctrl *qc if (menu_items[i] == NULL || menu_items[i][0] == '\0') return -EINVAL; snprintf(qmenu->name, sizeof(qmenu->name), menu_items[qmenu->index]); - qmenu->reserved = 0; return 0; } EXPORT_SYMBOL(v4l2_ctrl_query_menu); +/* Fill in a struct v4l2_querymenu based on the specified array of valid + menu items (terminated by V4L2_CTRL_MENU_IDS_END). + Use this if there are 'holes' in the list of valid menu items. */ +int v4l2_ctrl_query_menu_valid_items(struct v4l2_querymenu *qmenu, const u32 *ids) +{ + const char **menu_items = v4l2_ctrl_get_menu(qmenu->id); + + qmenu->reserved = 0; + if (menu_items == NULL || ids == NULL) + return -EINVAL; + while (*ids != V4L2_CTRL_MENU_IDS_END) { + if (*ids++ == qmenu->index) { + snprintf(qmenu->name, sizeof(qmenu->name), + menu_items[qmenu->index]); + return 0; + } + } + return -EINVAL; +} +EXPORT_SYMBOL(v4l2_ctrl_query_menu_valid_items); + /* ctrl_classes points to an array of u32 pointers, the last element is a NULL pointer. Each u32 array is a 0-terminated array of control IDs. Each array must be sorted low to high and belong to the same control |