From 53a5272f73beaf87d33f99dc4a0d0dd0770934cc Mon Sep 17 00:00:00 2001 From: Carl-Anton Ingmarsson Date: Mon, 8 Jun 2009 14:35:29 +0200 Subject: vdpaumpegdec: drop all frames before a GOP when we seek --- sys/vdpau/gstvdpmpegdec.c | 18 +++++++++++++++++- sys/vdpau/gstvdpmpegdec.h | 9 +++++++++ 2 files changed, 26 insertions(+), 1 deletion(-) (limited to 'sys') diff --git a/sys/vdpau/gstvdpmpegdec.c b/sys/vdpau/gstvdpmpegdec.c index fbd53ae9..a4c2f687 100644 --- a/sys/vdpau/gstvdpmpegdec.c +++ b/sys/vdpau/gstvdpmpegdec.c @@ -499,6 +499,9 @@ gst_vdp_mpeg_dec_parse_sequence (GstVdpMpegDec * mpeg_dec, GstBuffer * buffer) memcpy (&mpeg_dec->vdp_info.non_intra_quantizer_matrix, &hdr.non_intra_quantizer_matrix, 64); + if (mpeg_dec->state == GST_VDP_MPEG_DEC_NEED_SEQUENCE) + mpeg_dec->state = GST_VDP_MPEG_DEC_NEED_DATA; + return TRUE; } @@ -555,6 +558,9 @@ gst_vdp_mpeg_dec_parse_gop (GstVdpMpegDec * mpeg_dec, GstBuffer * buffer) gst_util_uint64_scale (time, mpeg_dec->fps_n, mpeg_dec->fps_d * GST_SECOND) + gop.frame; + if (mpeg_dec->state == GST_VDP_MPEG_DEC_NEED_GOP) + mpeg_dec->state = GST_VDP_MPEG_DEC_NEED_DATA; + return TRUE; } @@ -601,6 +607,8 @@ gst_vdp_mpeg_dec_reset (GstVdpMpegDec * mpeg_dec) g_object_unref (mpeg_dec->device); mpeg_dec->device = NULL; + mpeg_dec->state = GST_VDP_MPEG_DEC_NEED_SEQUENCE; + gst_segment_init (&mpeg_dec->segment, GST_FORMAT_TIME); mpeg_dec->seeking = FALSE; @@ -688,6 +696,12 @@ gst_vdp_mpeg_dec_chain (GstPad * pad, GstBuffer * buffer) gst_buffer_unref (buf); } + if (mpeg_dec->state == GST_VDP_MPEG_DEC_NEED_SEQUENCE || + mpeg_dec->state == GST_VDP_MPEG_DEC_NEED_GOP) { + gst_adapter_clear (mpeg_dec->adapter); + goto done; + } + if (mpeg_dec->vdp_info.slice_count > 0) ret = gst_vdp_mpeg_dec_decode (mpeg_dec, GST_BUFFER_TIMESTAMP (buffer), GST_BUFFER_SIZE (buffer)); @@ -843,8 +857,10 @@ normal_seek (GstVdpMpegDec * mpeg_dec, GstEvent * event) /* do the seek */ res = gst_pad_push_event (mpeg_dec->sink, peer_event); - if (res) + if (res) { + mpeg_dec->state = GST_VDP_MPEG_DEC_NEED_GOP; mpeg_dec->seeking = TRUE; + } g_mutex_unlock (mpeg_dec->mutex); diff --git a/sys/vdpau/gstvdpmpegdec.h b/sys/vdpau/gstvdpmpegdec.h index 9d4c791f..fc36df5b 100644 --- a/sys/vdpau/gstvdpmpegdec.h +++ b/sys/vdpau/gstvdpmpegdec.h @@ -35,6 +35,12 @@ G_BEGIN_DECLS #define GST_IS_VDP_MPEG_DEC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VDP_MPEG_DEC)) #define GST_IS_VDP_MPEG_DEC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VDP_MPEG_DEC)) +typedef enum { + GST_VDP_MPEG_DEC_NEED_SEQUENCE, + GST_VDP_MPEG_DEC_NEED_GOP, + GST_VDP_MPEG_DEC_NEED_DATA +} GstVdpMpegDecState; + typedef struct _GstVdpMpegDec GstVdpMpegDec; typedef struct _GstVdpMpegDecClass GstVdpMpegDecClass; @@ -56,6 +62,9 @@ struct _GstVdpMpegDec gboolean interlaced; gint version; + /* decoder state */ + GstVdpMpegDecState state; + /* currently decoded frame info */ GstAdapter *adapter; VdpPictureInfoMPEG1Or2 vdp_info; -- cgit v1.2.1