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msdkenc: add need_conversion method
In future, a sub class of GstMsdkEncClass may decide a native format by using this method, e.g. JPEG encoder may accept YUY2 input, however the current implemation needs a conversion from YUY2 to NV12 before encoding. In addtion, a sub class may choose a format for encoding if the input format is not supported by MSDK, e.g. the current implemation does UYVY->NV12 if the input format is UYVY. We may do UYVY->YUY2 for JPEG encoder in future
This commit is contained in:
Haihao Xiang
Víctor Manuel Jáquez Leal
parent
afce02b392
commit
fbeaa37b79
2 changed files with 67 additions and 37 deletions
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@ -247,6 +247,7 @@ gst_msdkenc_init_encoder (GstMsdkEnc * thiz)
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mfxFrameAllocRequest request[2];
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guint i;
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gboolean need_vpp = TRUE;
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GstVideoFormat encoder_input_fmt;
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if (thiz->initialized) {
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GST_DEBUG_OBJECT (thiz, "Already initialized");
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@ -271,15 +272,11 @@ gst_msdkenc_init_encoder (GstMsdkEnc * thiz)
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if (thiz->use_video_memory)
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gst_msdk_set_frame_allocator (thiz->context);
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encoder_input_fmt = GST_VIDEO_INFO_FORMAT (info);
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need_vpp = klass->need_conversion (thiz, info, &encoder_input_fmt);
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if (need_vpp) {
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switch (GST_VIDEO_INFO_FORMAT (info)) {
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case GST_VIDEO_FORMAT_NV12:
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case GST_VIDEO_FORMAT_P010_10LE:
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case GST_VIDEO_FORMAT_VUYA:
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#if (MFX_VERSION >= 1027)
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case GST_VIDEO_FORMAT_Y410:
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#endif
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need_vpp = FALSE;
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break;
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case GST_VIDEO_FORMAT_YV12:
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case GST_VIDEO_FORMAT_I420:
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thiz->vpp_param.vpp.In.FourCC = MFX_FOURCC_YV12;
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@ -302,7 +299,6 @@ gst_msdkenc_init_encoder (GstMsdkEnc * thiz)
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break;
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}
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if (need_vpp) {
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if (thiz->use_video_memory)
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thiz->vpp_param.IOPattern =
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MFX_IOPATTERN_IN_VIDEO_MEMORY | MFX_IOPATTERN_OUT_VIDEO_MEMORY;
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@ -326,7 +322,7 @@ gst_msdkenc_init_encoder (GstMsdkEnc * thiz)
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thiz->vpp_param.vpp.Out = thiz->vpp_param.vpp.In;
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if ((GST_VIDEO_INFO_COMP_DEPTH (info, 0)) == 10) {
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if (encoder_input_fmt == GST_VIDEO_FORMAT_P010_10LE) {
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thiz->vpp_param.vpp.Out.FourCC = MFX_FOURCC_P010;
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thiz->vpp_param.vpp.Out.ChromaFormat = MFX_CHROMAFORMAT_YUV420;
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} else {
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@ -418,7 +414,7 @@ gst_msdkenc_init_encoder (GstMsdkEnc * thiz)
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thiz->param.mfx.FrameInfo.PicStruct = MFX_PICSTRUCT_PROGRESSIVE;
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thiz->param.mfx.FrameInfo.ChromaFormat = MFX_CHROMAFORMAT_YUV420;
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switch (GST_VIDEO_INFO_FORMAT (info)) {
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switch (encoder_input_fmt) {
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case GST_VIDEO_FORMAT_P010_10LE:
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thiz->param.mfx.FrameInfo.FourCC = MFX_FOURCC_P010;
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thiz->param.mfx.FrameInfo.BitDepthLuma = 10;
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@ -1133,14 +1129,17 @@ gst_msdkenc_set_format (GstVideoEncoder * encoder, GstVideoCodecState * state)
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/* Create another bufferpool if VPP requires */
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if (thiz->has_vpp) {
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GstVideoInfo *info = &thiz->input_state->info;
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GstVideoInfo nv12_info;
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GstVideoInfo out_info;
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GstVideoFormat out_fmt;
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GstCaps *caps;
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GstBufferPool *pool = NULL;
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gst_video_info_init (&nv12_info);
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gst_video_info_set_format (&nv12_info, GST_VIDEO_FORMAT_NV12, info->width,
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info->height);
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caps = gst_video_info_to_caps (&nv12_info);
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gst_video_info_init (&out_info);
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out_fmt =
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gst_msdk_get_video_format_from_mfx_fourcc (thiz->vpp_param.vpp.
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Out.FourCC);
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gst_video_info_set_format (&out_info, out_fmt, info->width, info->height);
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caps = gst_video_info_to_caps (&out_info);
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/* If there's an existing pool try to reuse it when is compatible */
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if (thiz->msdk_converted_pool) {
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@ -1634,6 +1633,28 @@ gst_msdkenc_finalize (GObject * object)
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static gboolean
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gst_msdkenc_need_conversion (GstMsdkEnc * encoder, GstVideoInfo * info,
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GstVideoFormat * out_format)
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{
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switch (GST_VIDEO_INFO_FORMAT (info)) {
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case GST_VIDEO_FORMAT_NV12:
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case GST_VIDEO_FORMAT_P010_10LE:
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case GST_VIDEO_FORMAT_VUYA:
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#if (MFX_VERSION >= 1027)
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case GST_VIDEO_FORMAT_Y410:
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#endif
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return FALSE;
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default:
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if (GST_VIDEO_INFO_COMP_DEPTH (info, 0) == 10)
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*out_format = GST_VIDEO_FORMAT_P010_10LE;
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else
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*out_format = GST_VIDEO_FORMAT_NV12;
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return TRUE;
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}
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}
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static void
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gst_msdkenc_class_init (GstMsdkEncClass * klass)
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{
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@ -1645,6 +1666,8 @@ gst_msdkenc_class_init (GstMsdkEncClass * klass)
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element_class = GST_ELEMENT_CLASS (klass);
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gstencoder_class = GST_VIDEO_ENCODER_CLASS (klass);
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klass->need_conversion = gst_msdkenc_need_conversion;
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gobject_class->finalize = gst_msdkenc_finalize;
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element_class->set_context = gst_msdkenc_set_context;
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@ -167,6 +167,13 @@ struct _GstMsdkEncClass
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gboolean (*set_format) (GstMsdkEnc * encoder);
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gboolean (*configure) (GstMsdkEnc * encoder);
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GstCaps *(*set_src_caps) (GstMsdkEnc * encoder);
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/* Return TRUE if vpp is required before encoding
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* @info (in), input video info
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* @out_format (out), a pointer to the output format of vpp, which is set
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* when return TRUE
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*/
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gboolean (*need_conversion) (GstMsdkEnc * encoder, GstVideoInfo * info,
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GstVideoFormat * out_format);
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};
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struct _MsdkEncTask
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