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applemedia: avfvideosrc: update after IOSurface changes

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Prefer GLMemory over sysmem. Also now when pushing GLMemory we push the
original formats (UYVY in OSX, BGRA in iOS) and leave it to downstream to
convert.
This commit is contained in:
Alessandro Decina 2015-12-16 13:47:00 +11:00
parent 9981cd8327
commit 0a73abd448
1 changed files with 64 additions and 56 deletions
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120
sys/applemedia/avfvideosrc.m
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@ -46,7 +46,19 @@ GST_DEBUG_CATEGORY (gst_avf_video_src_debug);
static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-raw, "
GST_STATIC_CAPS (
#if !HAVE_IOS
GST_VIDEO_CAPS_MAKE_WITH_FEATURES
(GST_CAPS_FEATURE_MEMORY_GL_MEMORY,
"UYVY") ", "
"texture-target = " GST_GL_TEXTURE_TARGET_RECTANGLE_STR ";"
#else
GST_VIDEO_CAPS_MAKE_WITH_FEATURES
(GST_CAPS_FEATURE_MEMORY_GL_MEMORY,
"BGRA")
"texture-target = " GST_GL_TEXTURE_TARGET_2D_STR "; "
#endif
"video/x-raw, "
"format = (string) { NV12, UYVY, YUY2 }, "
"framerate = " GST_VIDEO_FPS_RANGE ", "
"width = " GST_VIDEO_SIZE_RANGE ", "
@ -57,10 +69,6 @@ static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
"framerate = " GST_VIDEO_FPS_RANGE ", "
"width = " GST_VIDEO_SIZE_RANGE ", "
"height = " GST_VIDEO_SIZE_RANGE "; "
GST_VIDEO_CAPS_MAKE_WITH_FEATURES
(GST_CAPS_FEATURE_MEMORY_GL_MEMORY,
"RGBA") "; "
));
typedef enum _QueueState {
@ -93,7 +101,6 @@ G_DEFINE_TYPE (GstAVFVideoSrc, gst_avf_video_src, GST_TYPE_PUSH_SRC);
BOOL stopRequest;
GstCaps *caps;
GstVideoFormat internalFormat;
GstVideoFormat format;
gint width, height;
GstClockTime latency;
@ -129,7 +136,7 @@ G_DEFINE_TYPE (GstAVFVideoSrc, gst_avf_video_src, GST_TYPE_PUSH_SRC);
#if !HAVE_IOS
- (CGDirectDisplayID)getDisplayIdFromDeviceIndex;
#endif
- (BOOL)getDeviceCaps:(GstCaps *)result;
- (GstCaps *)getDeviceCaps;
- (BOOL)setDeviceCaps:(GstVideoInfo *)info;
- (BOOL)getSessionPresetCaps:(GstCaps *)result;
- (BOOL)setSessionPresetCaps:(GstVideoInfo *)info;
@ -373,9 +380,6 @@ didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer
case kCVPixelFormatType_32BGRA: /* BGRA */
gst_format = GST_VIDEO_FORMAT_BGRA;
break;
case kCVPixelFormatType_32RGBA: /* RGBA */
gst_format = GST_VIDEO_FORMAT_RGBA;
break;
case kCVPixelFormatType_422YpCbCr8_yuvs: /* yuvs */
gst_format = GST_VIDEO_FORMAT_YUY2;
break;
@ -408,13 +412,22 @@ didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer
}
#endif
- (BOOL)getDeviceCaps:(GstCaps *)result
- (GstCaps *)getDeviceCaps
{
NSArray *formats = [device valueForKey:@"formats"];
NSArray *pixel_formats = output.availableVideoCVPixelFormatTypes;
GstCaps *result_caps, *result_gl_caps;
#if !HAVE_IOS
GstVideoFormat gl_format = GST_VIDEO_FORMAT_UYVY;
#else
GstVideoFormat gl_format = GST_VIDEO_FORMAT_BGRA;
#endif
GST_DEBUG_OBJECT (element, "Getting device caps");
result_caps = gst_caps_new_empty ();
result_gl_caps = gst_caps_new_empty ();
/* Do not use AVCaptureDeviceFormat or AVFrameRateRange only
* available in iOS >= 7.0. We use a dynamic approach with key-value
* coding or performSelector */
@ -437,27 +450,48 @@ didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer
for (NSNumber *pixel_format in pixel_formats) {
GstVideoFormat gst_format = [self getGstVideoFormat:pixel_format];
if (gst_format != GST_VIDEO_FORMAT_UNKNOWN) {
if (min_fps != max_fps)
gst_caps_append (result, GST_AVF_FPS_RANGE_CAPS_NEW (gst_format, dimensions.width, dimensions.height, min_fps_n, min_fps_d, max_fps_n, max_fps_d));
gst_caps_append (result_caps, GST_AVF_FPS_RANGE_CAPS_NEW (gst_format, dimensions.width, dimensions.height, min_fps_n, min_fps_d, max_fps_n, max_fps_d));
else
gst_caps_append (result, GST_AVF_CAPS_NEW (gst_format, dimensions.width, dimensions.height, max_fps_n, max_fps_d));
gst_caps_append (result_caps, GST_AVF_CAPS_NEW (gst_format, dimensions.width, dimensions.height, max_fps_n, max_fps_d));
}
if (gst_format == GST_VIDEO_FORMAT_BGRA) {
GstCaps *rgba_caps;
if (min_fps != max_fps)
rgba_caps = GST_AVF_FPS_RANGE_CAPS_NEW (GST_VIDEO_FORMAT_RGBA, dimensions.width, dimensions.height, min_fps_n, min_fps_d, max_fps_n, max_fps_d);
else
rgba_caps = GST_AVF_CAPS_NEW (GST_VIDEO_FORMAT_RGBA, dimensions.width, dimensions.height, max_fps_n, max_fps_d);
gst_caps_set_features (rgba_caps, 0, gst_caps_features_new (GST_CAPS_FEATURE_MEMORY_GL_MEMORY, NULL));
gst_caps_append (result, rgba_caps);
if (gst_format == gl_format) {
GstCaps *gl_caps;
if (min_fps != max_fps) {
gl_caps = GST_AVF_FPS_RANGE_CAPS_NEW (gl_format,
dimensions.width, dimensions.height,
min_fps_n, min_fps_d,
max_fps_n, max_fps_d);
} else {
gl_caps = GST_AVF_CAPS_NEW (gl_format,
dimensions.width, dimensions.height,
max_fps_n, max_fps_d);
}
gst_caps_set_features (gl_caps, 0,
gst_caps_features_new (GST_CAPS_FEATURE_MEMORY_GL_MEMORY,
NULL));
gst_caps_set_simple (gl_caps,
"texture-target", G_TYPE_STRING,
#if !HAVE_IOS
GST_GL_TEXTURE_TARGET_RECTANGLE_STR,
#else
GST_GL_TEXTURE_TARGET_2D_STR,
#endif
NULL);
gst_caps_append (result_gl_caps, gl_caps);
}
}
}
}
GST_LOG_OBJECT (element, "Device returned the following caps %" GST_PTR_FORMAT, result);
return YES;
result_gl_caps = gst_caps_simplify (gst_caps_merge (result_gl_caps, result_caps));
GST_INFO_OBJECT (element, "Device returned the following caps %" GST_PTR_FORMAT, result_gl_caps);
return result_gl_caps;
}
- (BOOL)setDeviceCaps:(GstVideoInfo *)info
@ -618,11 +652,8 @@ didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer
}
@try {
[self getDeviceCaps:result];
result = gst_caps_merge (result, [self getDeviceCaps]);
} @catch (NSException *exception) {
if (![[exception name] isEqualToString:NSUndefinedKeyException]) {
GST_WARNING ("An unexcepted error occured: %s", [exception.reason UTF8String]);
return result;
@ -646,7 +677,6 @@ didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer
width = info.width;
height = info.height;
format = info.finfo->format;
internalFormat = GST_VIDEO_FORMAT_UNKNOWN;
latency = gst_util_uint64_scale (GST_SECOND, info.fps_d, info.fps_n);
dispatch_sync (mainQueue, ^{
@ -686,7 +716,6 @@ didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer
}
}
internalFormat = format;
switch (format) {
case GST_VIDEO_FORMAT_NV12:
newformat = kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange;
@ -697,15 +726,6 @@ didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer
case GST_VIDEO_FORMAT_YUY2:
newformat = kCVPixelFormatType_422YpCbCr8_yuvs;
break;
case GST_VIDEO_FORMAT_RGBA:
#if !HAVE_IOS
newformat = kCVPixelFormatType_422YpCbCr8;
internalFormat = GST_VIDEO_FORMAT_UYVY;
#else
newformat = kCVPixelFormatType_32BGRA;
internalFormat = GST_VIDEO_FORMAT_BGRA;
#endif
break;
case GST_VIDEO_FORMAT_BGRA:
newformat = kCVPixelFormatType_32BGRA;
break;
@ -716,10 +736,9 @@ didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer
return;
}
GST_INFO_OBJECT(element,
"width: %d height: %d format: %s internalFormat: %s", width, height,
gst_video_format_to_string (format),
gst_video_format_to_string (internalFormat));
GST_INFO_OBJECT (element,
"width: %d height: %d format: %s", width, height,
gst_video_format_to_string (format));
output.videoSettings = [NSDictionary
dictionaryWithObject:[NSNumber numberWithInt:newformat]
@ -818,15 +837,14 @@ didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer
gst_query_unref (query);
if (glContext) {
GST_INFO_OBJECT (element, "pushing textures. Internal format %s, context %p",
gst_video_format_to_string (internalFormat), glContext);
GST_INFO_OBJECT (element, "pushing textures, context %p", glContext);
textureCache = gst_video_texture_cache_new (glContext);
gst_video_texture_cache_set_format (textureCache, internalFormat, caps);
gst_video_texture_cache_set_format (textureCache, format, caps);
gst_object_unref (glContext);
} else {
GST_WARNING_OBJECT (element, "got memory:GLMemory caps but not GL context from downstream element");
}
}
}
return YES;
}
@ -946,16 +964,6 @@ didOutputSampleBuffer:(CMSampleBufferRef)sampleBuffer
CFRelease (sbuf);
return GST_FLOW_ERROR;
}
if (format == GST_VIDEO_FORMAT_RGBA) {
/* So now buf contains BGRA data (!) . Since downstream is actually going to
* use the GL upload meta to get RGBA textures (??), we need to override the
* VideoMeta format (!!!). Yes this is confusing, see setCaps: */
GstVideoMeta *video_meta = gst_buffer_get_video_meta (*buf);
if (video_meta) {
video_meta->format = format;
}
}
CFRelease (sbuf);
if (textureCache != NULL) {