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v4l2object: Split _v4l2fourcc_to_video_format
https://bugzilla.gnome.org/show_bug.cgi?id=720568
This commit is contained in:
Nicolas Dufresne
parent
e1be685c34
commit
4956b46bab
2 changed files with 83 additions and 71 deletions
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@ -1357,74 +1357,9 @@ gst_v4l2_object_get_format_list (GstV4l2Object * v4l2object)
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return v4l2object->formats;
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return v4l2object->formats;
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}
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}
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static GstVideoFormat
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GstStructure *
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gst_v4l2_object_v4l2fourcc_to_video_format (guint32 fourcc)
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gst_v4l2_object_v4l2fourcc_to_structure (guint32 fourcc)
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{
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{
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GstStructure *structure = NULL;
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switch (fourcc) {
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case V4L2_PIX_FMT_MJPEG: /* Motion-JPEG */
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#ifdef V4L2_PIX_FMT_PJPG
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case V4L2_PIX_FMT_PJPG: /* Progressive-JPEG */
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#endif
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case V4L2_PIX_FMT_JPEG: /* JFIF JPEG */
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structure = gst_structure_new_empty ("image/jpeg");
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break;
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case V4L2_PIX_FMT_YYUV: /* 16 YUV 4:2:2 */
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case V4L2_PIX_FMT_HI240: /* 8 8-bit color */
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/* FIXME: get correct fourccs here */
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break;
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#ifdef V4L2_PIX_FMT_MPEG4
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case V4L2_PIX_FMT_MPEG4:
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structure = gst_structure_new ("video/mpeg",
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"mpegversion", G_TYPE_INT, 4, "systemstream",
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G_TYPE_BOOLEAN, FALSE, NULL);
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break;
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#endif
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#ifdef V4L2_PIX_FMT_H263
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case V4L2_PIX_FMT_H263:
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structure = gst_structure_new ("video/x-h263",
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"variant", G_TYPE_STRING, "itu", NULL);
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break;
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#endif
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#ifdef V4L2_PIX_FMT_H264
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case V4L2_PIX_FMT_H264: /* H.264 */
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structure = gst_structure_new ("video/x-h264",
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"stream-format", G_TYPE_STRING, "byte-stream", "alignment",
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G_TYPE_STRING, "au", NULL);
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break;
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#endif
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case V4L2_PIX_FMT_RGB332:
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case V4L2_PIX_FMT_RGB555X:
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case V4L2_PIX_FMT_RGB565X:
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/* FIXME: get correct fourccs here */
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break;
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case V4L2_PIX_FMT_GREY: /* 8 Greyscale */
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case V4L2_PIX_FMT_RGB555:
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case V4L2_PIX_FMT_RGB565:
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case V4L2_PIX_FMT_RGB24:
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case V4L2_PIX_FMT_BGR24:
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case V4L2_PIX_FMT_RGB32:
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case V4L2_PIX_FMT_BGR32:
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case V4L2_PIX_FMT_NV12: /* 12 Y/CbCr 4:2:0 */
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case V4L2_PIX_FMT_NV12M:
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case V4L2_PIX_FMT_NV21: /* 12 Y/CrCb 4:2:0 */
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case V4L2_PIX_FMT_NV21M:
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case V4L2_PIX_FMT_YVU410:
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case V4L2_PIX_FMT_YUV410:
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case V4L2_PIX_FMT_YUV420: /* I420/IYUV */
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case V4L2_PIX_FMT_YUYV:
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case V4L2_PIX_FMT_YVU420:
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case V4L2_PIX_FMT_UYVY:
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#if 0
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case V4L2_PIX_FMT_Y41P:
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#endif
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case V4L2_PIX_FMT_YUV422P:
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#ifdef V4L2_PIX_FMT_YVYU
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case V4L2_PIX_FMT_YVYU:
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#endif
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case V4L2_PIX_FMT_YUV411P:{
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GstVideoFormat format;
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GstVideoFormat format;
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switch (fourcc) {
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switch (fourcc) {
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@ -1496,6 +1431,79 @@ gst_v4l2_object_v4l2fourcc_to_structure (guint32 fourcc)
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g_assert_not_reached ();
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g_assert_not_reached ();
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break;
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break;
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}
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}
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return format;
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}
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GstStructure *
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gst_v4l2_object_v4l2fourcc_to_structure (guint32 fourcc)
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{
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GstStructure *structure = NULL;
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switch (fourcc) {
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case V4L2_PIX_FMT_MJPEG: /* Motion-JPEG */
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#ifdef V4L2_PIX_FMT_PJPG
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case V4L2_PIX_FMT_PJPG: /* Progressive-JPEG */
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#endif
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case V4L2_PIX_FMT_JPEG: /* JFIF JPEG */
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structure = gst_structure_new_empty ("image/jpeg");
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break;
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case V4L2_PIX_FMT_YYUV: /* 16 YUV 4:2:2 */
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case V4L2_PIX_FMT_HI240: /* 8 8-bit color */
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/* FIXME: get correct fourccs here */
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break;
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#ifdef V4L2_PIX_FMT_MPEG4
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case V4L2_PIX_FMT_MPEG4:
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structure = gst_structure_new ("video/mpeg",
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"mpegversion", G_TYPE_INT, 4, "systemstream",
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G_TYPE_BOOLEAN, FALSE, NULL);
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break;
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#endif
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#ifdef V4L2_PIX_FMT_H263
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case V4L2_PIX_FMT_H263:
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structure = gst_structure_new ("video/x-h263",
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"variant", G_TYPE_STRING, "itu", NULL);
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break;
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#endif
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#ifdef V4L2_PIX_FMT_H264
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case V4L2_PIX_FMT_H264: /* H.264 */
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structure = gst_structure_new ("video/x-h264",
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"stream-format", G_TYPE_STRING, "byte-stream", "alignment",
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G_TYPE_STRING, "au", NULL);
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break;
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#endif
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case V4L2_PIX_FMT_RGB332:
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case V4L2_PIX_FMT_RGB555X:
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case V4L2_PIX_FMT_RGB565X:
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/* FIXME: get correct fourccs here */
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break;
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case V4L2_PIX_FMT_GREY: /* 8 Greyscale */
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case V4L2_PIX_FMT_RGB555:
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case V4L2_PIX_FMT_RGB565:
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case V4L2_PIX_FMT_RGB24:
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case V4L2_PIX_FMT_BGR24:
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case V4L2_PIX_FMT_RGB32:
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case V4L2_PIX_FMT_BGR32:
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case V4L2_PIX_FMT_NV12: /* 12 Y/CbCr 4:2:0 */
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case V4L2_PIX_FMT_NV12M:
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case V4L2_PIX_FMT_NV21: /* 12 Y/CrCb 4:2:0 */
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case V4L2_PIX_FMT_NV21M:
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case V4L2_PIX_FMT_YVU410:
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case V4L2_PIX_FMT_YUV410:
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case V4L2_PIX_FMT_YUV420: /* I420/IYUV */
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case V4L2_PIX_FMT_YUYV:
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case V4L2_PIX_FMT_YVU420:
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case V4L2_PIX_FMT_UYVY:
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#if 0
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case V4L2_PIX_FMT_Y41P:
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#endif
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case V4L2_PIX_FMT_YUV422P:
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#ifdef V4L2_PIX_FMT_YVYU
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case V4L2_PIX_FMT_YVYU:
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#endif
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case V4L2_PIX_FMT_YUV411P:{
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GstVideoFormat format;
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format = gst_v4l2_object_v4l2fourcc_to_video_format (fourcc);
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if (format != GST_VIDEO_FORMAT_UNKNOWN)
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if (format != GST_VIDEO_FORMAT_UNKNOWN)
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structure = gst_structure_new ("video/x-raw",
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structure = gst_structure_new ("video/x-raw",
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"format", G_TYPE_STRING, gst_video_format_to_string (format), NULL);
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"format", G_TYPE_STRING, gst_video_format_to_string (format), NULL);
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@ -2306,6 +2314,9 @@ gst_v4l2_object_get_nearest_size (GstV4l2Object * v4l2object,
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fd = v4l2object->video_fd;
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fd = v4l2object->video_fd;
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memset (&fmt, 0, sizeof (struct v4l2_format));
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memset (&prevfmt, 0, sizeof (struct v4l2_format));
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/* Some drivers are buggy and will modify the currently set format
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/* Some drivers are buggy and will modify the currently set format
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when processing VIDIOC_TRY_FMT, so we remember what is set at the
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when processing VIDIOC_TRY_FMT, so we remember what is set at the
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minute, and will reset it when done. */
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minute, and will reset it when done. */
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@ -2625,7 +2636,7 @@ gst_v4l2_object_set_format (GstV4l2Object * v4l2object, GstCaps * caps)
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v4l2object->sizeimage = 0;
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v4l2object->sizeimage = 0;
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for (i = 0; i < format.fmt.pix_mp.num_planes; i++) {
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for (i = 0; i < format.fmt.pix_mp.num_planes; i++) {
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/* For compatibility reasons with the non-v4l2-multiplanar mode
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/* For compatibility reasons with the non-v4l2-multiplanar mode
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* we have to use the bytesperline of the first v4l plane
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* we have to use the bytesperline of<F3> the first v4l plane
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* See plane_fmt[0] instead of plane_fmt[i] in next line */
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* See plane_fmt[0] instead of plane_fmt[i] in next line */
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v4l2object->bytesperline[i] = format.fmt.pix_mp.plane_fmt[0].bytesperline;
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v4l2object->bytesperline[i] = format.fmt.pix_mp.plane_fmt[0].bytesperline;
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v4l2object->sizeimage += format.fmt.pix_mp.plane_fmt[i].sizeimage;
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v4l2object->sizeimage += format.fmt.pix_mp.plane_fmt[i].sizeimage;
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@ -275,6 +275,7 @@ GstCaps * gst_v4l2_object_get_caps (GstV4l2Object * v4l2object,
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GstCaps * filter);
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GstCaps * filter);
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#define GST_IMPLEMENT_V4L2_PROBE_METHODS(Type_Class, interface_as_function) \
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#define GST_IMPLEMENT_V4L2_PROBE_METHODS(Type_Class, interface_as_function) \
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\
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\
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static void \
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static void \
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