/* * video-format.h - Video format helpers for VA-API * * Copyright (C) 2010-2011 Splitted-Desktop Systems * Author: Gwenole Beauchesne * Copyright (C) 2011-2013 Intel Corporation * Author: Gwenole Beauchesne * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License * as published by the Free Software Foundation; either version 2.1 * of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301 USA */ /** * SECTION:videoformat * @short_description: Video format helpers for VA-API */ #include "sysdeps.h" #include "gstvaapicompat.h" #include "gstvaapisurface.h" #include "video-format.h" #define DEBUG 1 #include "gst/vaapi/gstvaapidebug.h" #if USE_DRM #include #endif typedef struct _GstVideoFormatMapMap { GstVideoFormat format; uint32_t drm_format; GstVaapiChromaType chroma_type; VAImageFormat va_format; } GstVideoFormatMap; #define VA_BYTE_ORDER_NOT_CARE 0 #if USE_DRM #define MAKE_DRM_FORMAT(DRM_FORMAT) G_PASTE(DRM_FORMAT_,DRM_FORMAT) #else #define MAKE_DRM_FORMAT(DRM_FORMAT) 0 #endif #define DEF_YUV(BYTE_ORDER, FORMAT, DRM_FORMAT, FOURCC, BPP, SUB) \ { G_PASTE(GST_VIDEO_FORMAT_,FORMAT), \ MAKE_DRM_FORMAT(DRM_FORMAT), \ G_PASTE(GST_VAAPI_CHROMA_TYPE_YUV,SUB), \ { VA_FOURCC FOURCC, BYTE_ORDER, BPP, }, } #define DEF_RGB(BYTE_ORDER, FORMAT, DRM, FOURCC, BPP, DEPTH, R,G,B,A) \ { G_PASTE(GST_VIDEO_FORMAT_,FORMAT), \ MAKE_DRM_FORMAT(DRM), \ G_PASTE(GST_VAAPI_CHROMA_TYPE_RGB,BPP), \ { VA_FOURCC FOURCC, BYTE_ORDER, BPP, DEPTH, R, G, B, A }, } /* Image formats, listed in HW order preference */ /* XXX: The new added video format must be added to * GST_VAAPI_FORMATS_ALL in header file to make it available to all * vaapi element's pad cap template. */ /* *INDENT-OFF* */ static const GstVideoFormatMap gst_vaapi_video_default_formats[] = { /* LSB and MSB video formats definitions are unclear and ambiguous. * * For MSB, there is no ambiguity: same order in define, memory and * CPU. For example, * * RGBA is RGBA in memory and RGBA with channel mask R:0xFF0000 * G:0x00FF0000 B:0x0000FF00 A:0x000000FF in CPU. * * For LSB, CPU's perspective and memory's perspective are * different. For example, * * RGBA in LSB, from CPU's perspective, it's RGBA order in memory, * but when it is stored in memory, because CPU's little * endianness, it will be re-ordered, with mask R:0x000000FF * G:0x0000FF00 B:0x00FF0000 A:0xFF000000. In other words, from * memory's perspective, RGBA LSB is equal as ABGR MSB. * * These definitions are mixed used all over the media system and we * need to correct the mapping form VA video format to GStreamer * video format in both manners, especially for RGB format. */ /* YUV formats */ DEF_YUV (VA_BYTE_ORDER_NOT_CARE, NV12, NV12, ('N', 'V', '1', '2'), 12, 420), DEF_YUV (VA_BYTE_ORDER_NOT_CARE, YV12, YVU420, ('Y', 'V', '1', '2'), 12, 420), DEF_YUV (VA_BYTE_ORDER_NOT_CARE, I420, YUV420, ('I', '4', '2', '0'), 12, 420), DEF_YUV (VA_BYTE_ORDER_NOT_CARE, YUY2, YUYV, ('Y', 'U', 'Y', '2'), 16, 422), DEF_YUV (VA_BYTE_ORDER_NOT_CARE, UYVY, UYVY, ('U', 'Y', 'V', 'Y'), 16, 422), DEF_YUV (VA_BYTE_ORDER_NOT_CARE, Y444, YUV444, ('4', '4', '4', 'P'), 24, 444), DEF_YUV (VA_BYTE_ORDER_NOT_CARE, GRAY8, INVALID, ('Y', '8', '0', '0'), 8, 400), DEF_YUV (VA_LSB_FIRST, P010_10LE, P010, ('P', '0', '1', '0'), 24, 420_10BPP), DEF_YUV (VA_LSB_FIRST, P012_LE, P012, ('P', '0', '1', '2'), 24, 420_10BPP), /* AYUV is a clear defined format by doc */ DEF_YUV (VA_LSB_FIRST, VUYA, AYUV, ('A', 'Y', 'U', 'V'), 32, 444), DEF_YUV (VA_BYTE_ORDER_NOT_CARE, Y210, Y210, ('Y', '2', '1', '0'), 32, 422_10BPP), DEF_YUV (VA_BYTE_ORDER_NOT_CARE, Y410, Y410, ('Y', '4', '1', '0'), 32, 444_10BPP), /* RGB formats */ DEF_RGB (VA_LSB_FIRST, ARGB, BGRA8888, ('A', 'R', 'G', 'B'), 32, 32, 0x0000ff00, 0x00ff0000, 0xff000000, 0x000000ff), DEF_RGB (VA_LSB_FIRST, ARGB, BGRA8888, ('B', 'G', 'R', 'A'), 32, 32, 0x0000ff00, 0x00ff0000, 0xff000000, 0x000000ff), DEF_RGB (VA_MSB_FIRST, ARGB, BGRA8888, ('A', 'R', 'G', 'B'), 32, 32, 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000), DEF_RGB (VA_LSB_FIRST, xRGB, BGRX8888, ('X', 'R', 'G', 'B'), 32, 24, 0x0000ff00, 0x00ff0000, 0xff000000, 0x00000000), DEF_RGB (VA_LSB_FIRST, xRGB, BGRX8888, ('B', 'G', 'R', 'X'), 32, 24, 0x0000ff00, 0x00ff0000, 0xff000000, 0x00000000), DEF_RGB (VA_MSB_FIRST, xRGB, BGRX8888, ('X', 'R', 'G', 'B'), 32, 24, 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000), DEF_RGB (VA_LSB_FIRST, RGBA, ABGR8888, ('R', 'G', 'B', 'A'), 32, 32, 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000), DEF_RGB (VA_LSB_FIRST, RGBA, ABGR8888, ('A', 'B', 'G', 'R'), 32, 32, 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000), DEF_RGB (VA_MSB_FIRST, RGBA, ABGR8888, ('R', 'G', 'B', 'A'), 32, 32, 0xff000000, 0x00ff0000, 0x0000ff00, 0x000000ff), DEF_RGB (VA_LSB_FIRST, RGBx, XBGR8888, ('R', 'G', 'B', 'X'), 32, 24, 0x000000ff, 0x0000ff00, 0x00ff0000, 0x00000000), DEF_RGB (VA_LSB_FIRST, RGBx, XBGR8888, ('X', 'B', 'G', 'R'), 32, 24, 0x000000ff, 0x0000ff00, 0x00ff0000, 0x00000000), DEF_RGB (VA_MSB_FIRST, RGBx, XBGR8888, ('R', 'G', 'B', 'X'), 32, 24, 0xff000000, 0x00ff0000, 0x0000ff00, 0x00000000), DEF_RGB (VA_LSB_FIRST, ABGR, RGBA8888, ('A', 'B', 'G', 'R'), 32, 32, 0xff000000, 0x00ff0000, 0x0000ff00, 0x000000ff), DEF_RGB (VA_LSB_FIRST, ABGR, RGBA8888, ('R', 'G', 'B', 'A'), 32, 32, 0xff000000, 0x00ff0000, 0x0000ff00, 0x000000ff), DEF_RGB (VA_MSB_FIRST, ABGR, RGBA8888, ('A', 'B', 'G', 'R'), 32, 32, 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000), DEF_RGB (VA_LSB_FIRST, xBGR, RGBX8888, ('X', 'B', 'G', 'R'), 32, 24, 0xff000000, 0x00ff0000, 0x0000ff00, 0x00000000), DEF_RGB (VA_LSB_FIRST, xBGR, RGBX8888, ('R', 'G', 'B', 'X'), 32, 24, 0xff000000, 0x00ff0000, 0x0000ff00, 0x00000000), DEF_RGB (VA_MSB_FIRST, xBGR, RGBX8888, ('X', 'B', 'G', 'R'), 32, 24, 0x000000ff, 0x0000ff00, 0x00ff0000, 0x00000000), DEF_RGB (VA_LSB_FIRST, BGRA, ARGB8888, ('B', 'G', 'R', 'A'), 32, 32, 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000), DEF_RGB (VA_LSB_FIRST, BGRA, ARGB8888, ('A', 'R', 'G', 'B'), 32, 32, 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000), DEF_RGB (VA_MSB_FIRST, BGRA, ARGB8888, ('B', 'G', 'R', 'A'), 32, 32, 0x0000ff00, 0x00ff0000, 0xff000000, 0x000000ff), DEF_RGB (VA_LSB_FIRST, BGRx, XRGB8888, ('B', 'G', 'R', 'X'), 32, 24, 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000), DEF_RGB (VA_LSB_FIRST, BGRx, XRGB8888, ('X', 'R', 'G', 'B'), 32, 24, 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000), DEF_RGB (VA_MSB_FIRST, BGRx, XRGB8888, ('B', 'G', 'R', 'X'), 32, 24, 0x0000ff00, 0x00ff0000, 0xff000000, 0x00000000), DEF_RGB (VA_BYTE_ORDER_NOT_CARE, RGB16, RGB565, ('R', 'G', '1', '6'), 16, 16, 0x0000f800, 0x000007e0, 0x0000001f, 0x00000000), DEF_RGB (VA_BYTE_ORDER_NOT_CARE, RGB, RGB888, ('R', 'G', '2', '4'), 32, 24, 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000), DEF_RGB (VA_LSB_FIRST, BGR10A2_LE, ARGB2101010, ('A', 'R', '3', '0'), 32, 30, 0x3ff00000, 0x000ffc00, 0x000003ff, 0x30000000), {0,} }; /* *INDENT-ON* */ #undef DEF_RGB #undef DEF_YUV static GArray *gst_vaapi_video_formats_map; static inline gboolean va_format_is_rgb (const VAImageFormat * va_format) { return va_format->depth != 0; } static inline gboolean va_format_is_yuv (const VAImageFormat * va_format) { return va_format->depth == 0; } static inline gboolean va_format_is_same_rgb (const VAImageFormat * fmt1, const VAImageFormat * fmt2) { return (fmt1->red_mask == fmt2->red_mask && fmt1->green_mask == fmt2->green_mask && fmt1->blue_mask == fmt2->blue_mask && fmt1->alpha_mask == fmt2->alpha_mask); } static inline gboolean va_format_is_same (const VAImageFormat * fmt1, const VAImageFormat * fmt2) { if (fmt1->fourcc != fmt2->fourcc) return FALSE; if (fmt1->byte_order != VA_BYTE_ORDER_NOT_CARE && fmt2->byte_order != VA_BYTE_ORDER_NOT_CARE && fmt1->byte_order != fmt2->byte_order) return FALSE; return va_format_is_rgb (fmt1) ? va_format_is_same_rgb (fmt1, fmt2) : TRUE; } static const GstVideoFormatMap * get_map_in_default_by_gst_format (GstVideoFormat format) { const GstVideoFormatMap *m; for (m = gst_vaapi_video_default_formats; m->format; m++) { if (m->format == format) return m; } return NULL; } static const GstVideoFormatMap * get_map_in_default_by_va_format (const VAImageFormat * va_format) { const GstVideoFormatMap *m, *n; n = NULL; for (m = gst_vaapi_video_default_formats; m->format; m++) { if (va_format_is_same (&m->va_format, va_format)) { /* Should not map to VAImageFormat to same GstVideoFormat */ g_assert (n == NULL); n = m; } } return n; } static const GstVideoFormatMap * get_map_by_gst_format (const GArray * formats, GstVideoFormat format) { const GstVideoFormatMap *entry; guint i; for (i = 0; i < formats->len; i++) { entry = &g_array_index (formats, GstVideoFormatMap, i); if (entry->format == format) return entry; } return NULL; } static const GstVideoFormatMap * get_map_by_va_format (const VAImageFormat * va_format) { const GArray *formats = gst_vaapi_video_formats_map; const GstVideoFormatMap *entry; guint i; for (i = 0; i < formats->len; i++) { entry = &g_array_index (formats, GstVideoFormatMap, i); if (va_format_is_same (&entry->va_format, va_format)) return entry; } return NULL; } static guint get_fmt_score_in_default (GstVideoFormat format) { const GstVideoFormatMap *const m = get_map_in_default_by_gst_format (format); return m ? (m - &gst_vaapi_video_default_formats[0]) : G_MAXUINT; } static gint video_format_compare_by_score (gconstpointer a, gconstpointer b) { const GstVideoFormatMap *m1 = (GstVideoFormatMap *) a; const GstVideoFormatMap *m2 = (GstVideoFormatMap *) b; return ((gint) get_fmt_score_in_default (m1->format) - (gint) get_fmt_score_in_default (m2->format)); } /** * gst_vaapi_video_format_to_string: * @format: a #GstVideoFormat * * Returns the string representation of the @format argument. * * Return value: string representation of @format, or %NULL if unknown * or unsupported. */ const gchar * gst_vaapi_video_format_to_string (GstVideoFormat format) { return gst_video_format_to_string (format); } /** * gst_vaapi_video_format_is_rgb: * @format: a #GstVideoFormat * * Checks whether the format is an RGB format. * * Return value: %TRUE if @format is RGB format */ gboolean gst_vaapi_video_format_is_rgb (GstVideoFormat format) { const GstVideoFormatMap *const m = get_map_by_gst_format (gst_vaapi_video_formats_map, format); return m && va_format_is_rgb (&m->va_format); } /** * gst_vaapi_video_format_is_yuv: * @format: a #GstVideoFormat * * Checks whether the format is an YUV format. * * Return value: %TRUE if @format is YUV format */ gboolean gst_vaapi_video_format_is_yuv (GstVideoFormat format) { const GstVideoFormatMap *const m = get_map_by_gst_format (gst_vaapi_video_formats_map, format); return m && va_format_is_yuv (&m->va_format); } /** * gst_vaapi_video_format_from_va_fourcc: * @fourcc: a FOURCC value * * Converts a VA fourcc into the corresponding #GstVideoFormat. If no * matching fourcc was found, then zero is returned. * * Return value: the #GstVideoFormat corresponding to the VA @fourcc */ GstVideoFormat gst_vaapi_video_format_from_va_fourcc (guint32 fourcc) { const GArray *map = gst_vaapi_video_formats_map; const GstVideoFormatMap *m; guint i; /* Note: VA fourcc values are now standardized and shall represent a unique format. The associated VAImageFormat is just a hint to determine RGBA component ordering */ for (i = 0; i < map->len; i++) { m = &g_array_index (map, GstVideoFormatMap, i); if (m->va_format.fourcc == fourcc) return m->format; } return GST_VIDEO_FORMAT_UNKNOWN; } /** * gst_vaapi_video_format_from_va_format: * @va_format: a #VAImageFormat * * Converts a VA image format into the corresponding #GstVideoFormat. * If the image format cannot be represented by #GstVideoFormat, * then zero is returned. * * Return value: the #GstVideoFormat describing the @va_format */ GstVideoFormat gst_vaapi_video_format_from_va_format (const VAImageFormat * va_format) { const GstVideoFormatMap *const m = get_map_by_va_format (va_format); return m ? m->format : GST_VIDEO_FORMAT_UNKNOWN; } /** * gst_vaapi_video_format_to_va_format: * @format: a #GstVideoFormat * * Converts a #GstVideoFormat into the corresponding VA image * format. If no matching VA image format was found, %NULL is returned * and this error must be reported to be fixed. * * Return value: the VA image format, or %NULL if none was found */ const VAImageFormat * gst_vaapi_video_format_to_va_format (GstVideoFormat format) { const GstVideoFormatMap *const m = get_map_by_gst_format (gst_vaapi_video_formats_map, format); return m ? &m->va_format : NULL; } /** * gst_vaapi_video_format_get_chroma_type: * @format: a #GstVideoFormat * * Converts a #GstVideoFormat into the corresponding #GstVaapiChromaType * format. * * Return value: the #GstVaapiChromaType format, or zero if no match * was found. */ guint gst_vaapi_video_format_get_chroma_type (GstVideoFormat format) { const GstVideoFormatMap *const m = get_map_by_gst_format (gst_vaapi_video_formats_map, format); return m ? m->chroma_type : 0; } /** * gst_vaapi_video_format_get_score: * @format: a #GstVideoFormat * * Determines how "native" is this @format. The lower is the returned * score, the best format this is for the underlying hardware. * * Return value: the @format score, or %G_MAXUINT if none was found */ guint gst_vaapi_video_format_get_score (GstVideoFormat format) { return get_fmt_score_in_default (format); } /** * gst_vaapi_video_format_from_chroma: * @chroma_type: a #GstVaapiChromaType * * Returns the "preferred" pixel format that matches with * @chroma_type. * * Returns: the preferred pixel format for @chroma_type **/ GstVideoFormat gst_vaapi_video_format_from_chroma (guint chroma_type) { switch (chroma_type) { case GST_VAAPI_CHROMA_TYPE_YUV422: return GST_VIDEO_FORMAT_YUY2; case GST_VAAPI_CHROMA_TYPE_YUV400: return GST_VIDEO_FORMAT_GRAY8; case GST_VAAPI_CHROMA_TYPE_YUV420: case GST_VAAPI_CHROMA_TYPE_RGB32: /* GstVideoGLTextureUploadMeta */ return GST_VIDEO_FORMAT_NV12; case GST_VAAPI_CHROMA_TYPE_YUV420_10BPP: return GST_VIDEO_FORMAT_P010_10LE; case GST_VAAPI_CHROMA_TYPE_YUV420_12BPP: return GST_VIDEO_FORMAT_P012_LE; case GST_VAAPI_CHROMA_TYPE_YUV444: return GST_VIDEO_FORMAT_VUYA; case GST_VAAPI_CHROMA_TYPE_YUV422_10BPP: return GST_VIDEO_FORMAT_Y210; case GST_VAAPI_CHROMA_TYPE_YUV444_10BPP: return GST_VIDEO_FORMAT_Y410; default: return GST_VIDEO_FORMAT_UNKNOWN; } } /** * gst_vaapi_video_format_get_best_native: * @format: a #GstVideoFormat * * Returns the best "native" pixel format that matches a particular * color-space. * * Returns: the #GstVideoFormat with the corresponding best native * format for #GstVaapiSurface **/ GstVideoFormat gst_vaapi_video_format_get_best_native (GstVideoFormat format) { GstVaapiChromaType chroma_type; if (format == GST_VIDEO_FORMAT_ENCODED) return GST_VIDEO_FORMAT_NV12; chroma_type = gst_vaapi_video_format_get_chroma_type (format); return gst_vaapi_video_format_from_chroma (chroma_type); } /** * gst_vaapi_video_format_get_formats_by_chroma: * @chroma: a #GstVaapiChromaType * * Get all #GstVideoFormat which belong to #GstVaapiChromaType. * * Returns: an array of #GstVideoFormat. **/ GArray * gst_vaapi_video_format_get_formats_by_chroma (guint chroma) { const GstVideoFormatMap *entry; GArray *formats; guint i; formats = g_array_new (FALSE, FALSE, sizeof (GstVideoFormat)); if (!formats) return NULL; for (i = 0; i < gst_vaapi_video_formats_map->len; i++) { entry = &g_array_index (gst_vaapi_video_formats_map, GstVideoFormatMap, i); if (entry->chroma_type == chroma) g_array_append_val (formats, entry->format); } if (formats->len == 0) { g_array_unref (formats); return NULL; } return formats; } struct ImageFormatsData { VAImageFormat *formats; guint n; }; static gpointer video_format_create_map_once (gpointer data) { const GstVideoFormatMap *src_entry, *entry; guint i; VAImageFormat *formats = ((struct ImageFormatsData *) data)->formats; guint n = ((struct ImageFormatsData *) data)->n; GArray *array = NULL; array = g_array_new (FALSE, TRUE, sizeof (GstVideoFormatMap)); if (array == NULL) return NULL; /* All the YUV format has no ambiguity */ for (i = 0; i < G_N_ELEMENTS (gst_vaapi_video_default_formats); i++) { if (va_format_is_yuv (&gst_vaapi_video_default_formats[i].va_format)) g_array_append_val (array, gst_vaapi_video_default_formats[i]); } if (formats) { for (i = 0; i < n; i++) { if (!va_format_is_rgb (&formats[i])) continue; src_entry = get_map_in_default_by_va_format (&formats[i]); if (src_entry) { entry = get_map_by_gst_format (array, src_entry->format); if (entry && !va_format_is_same (&entry->va_format, &formats[i])) { GST_INFO ("va_format1 with fourcc %" GST_FOURCC_FORMAT " byte order: %d, BPP: %d, depth %d, red mask 0x%4x," " green mask 0x%4x, blue mask 0x%4x, alpha mask 0x%4x" " conflict with va_foramt2 fourcc %" GST_FOURCC_FORMAT " byte order: %d, BPP: %d, depth %d, red mask 0x%4x," " green mask 0x%4x, blue mask 0x%4x, alpha mask 0x%4x." " Both map to the same GST format: %s, which is not" " allowed, va_format1 will be skipped", GST_FOURCC_ARGS (entry->va_format.fourcc), entry->va_format.byte_order, entry->va_format.bits_per_pixel, entry->va_format.depth, entry->va_format.red_mask, entry->va_format.green_mask, entry->va_format.blue_mask, entry->va_format.alpha_mask, GST_FOURCC_ARGS (formats[i].fourcc), formats[i].byte_order, formats[i].bits_per_pixel, formats[i].depth, formats[i].red_mask, formats[i].green_mask, formats[i].blue_mask, formats[i].alpha_mask, gst_video_format_to_string (entry->format)); continue; } g_array_append_val (array, (*src_entry)); } GST_LOG ("%s to map RGB va_format with fourcc: %" GST_FOURCC_FORMAT ", byte order: %d BPP: %d, depth %d, red mask %4x," " green mask %4x, blue mask %4x, alpha mask %4x to %s gstreamer" " video format", src_entry ? "succeed" : "failed", GST_FOURCC_ARGS (formats[i].fourcc), formats[i].byte_order, formats[i].bits_per_pixel, formats[i].depth, formats[i].red_mask, formats[i].green_mask, formats[i].blue_mask, formats[i].alpha_mask, src_entry ? gst_video_format_to_string (src_entry->format) : "any"); } } g_array_sort (array, video_format_compare_by_score); gst_vaapi_video_formats_map = array; return array; } /** * gst_vaapi_video_format_new_map: * @formats: all #VAImageFormat need to map * @n: the number of VAImageFormat * * Return: True if create successfully. **/ gboolean gst_vaapi_video_format_create_map (VAImageFormat * formats, guint n) { static GOnce once = G_ONCE_INIT; struct ImageFormatsData data = { formats, n }; g_once (&once, video_format_create_map_once, &data); return once.retval != NULL; } /** * gst_vaapi_drm_format_from_va_fourcc: * @fourcc: a FOURCC value * * Converts a VA fourcc into the corresponding DRM_FORMAT_*. If no * matching fourcc was found, then DRM_FORMAT_INVALID is returned. * * Return value: the DRM_FORMAT_* corresponding to the VA @fourcc * * Since: 1.18 */ guint gst_vaapi_drm_format_from_va_fourcc (guint32 fourcc) { #if USE_DRM const GArray *map = gst_vaapi_video_formats_map; const GstVideoFormatMap *m; guint i; /* Note: VA fourcc values are now standardized and shall represent a unique format. The associated VAImageFormat is just a hint to determine RGBA component ordering */ for (i = 0; i < map->len; i++) { m = &g_array_index (map, GstVideoFormatMap, i); if (m->va_format.fourcc == fourcc) return m->drm_format; } return DRM_FORMAT_INVALID; #else return 0; #endif } /** * gst_vaapi_video_format_from_drm_format: * @drm_format: a DRM format value * * Converts a DRM_FORMAT_* to the corresponding GstVideoFormat. If no * matching fourcc was found, then DRM_FORMAT_INVALID is returned. * * Return value: GstVideoFormat corresponding to the @drm_format * * Since: 1.18 */ GstVideoFormat gst_vaapi_video_format_from_drm_format (guint drm_format) { #if USE_DRM const GArray *map = gst_vaapi_video_formats_map; const GstVideoFormatMap *m; guint i; for (i = 0; i < map->len; i++) { m = &g_array_index (map, GstVideoFormatMap, i); if (m->drm_format == drm_format) return m->format; } #endif return GST_VIDEO_FORMAT_UNKNOWN; }