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vaapidecode: add support for post-seek semantics reset.

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Implement GstVideoDecoder::reset() as a destruction of the VA decoder
and the creation of a new VA decoder.

Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
This commit is contained in:
Sreerenj Balachandran 2013-01-24 00:49:17 +02:00 committed by Gwenole Beauchesne
parent 1568922c1c
commit 0847b3888d
1 changed files with 18 additions and 3 deletions
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21
gst/vaapi/gstvaapidecode.c
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@ -391,12 +391,18 @@ gst_vaapidecode_destroy(GstVaapiDecode *decode)
}
static gboolean
gst_vaapidecode_reset(GstVaapiDecode *decode, GstCaps *caps)
gst_vaapidecode_reset_full(GstVaapiDecode *decode, GstCaps *caps, gboolean hard)
{
GstVaapiCodec codec;
/* Reset timers if hard reset was requested (e.g. seek) */
if (hard) {
decode->render_time_base = 0;
decode->last_buffer_time = 0;
}
/* Only reset decoder if codec type changed */
if (decode->decoder && decode->decoder_caps) {
else if (decode->decoder && decode->decoder_caps) {
if (gst_caps_is_always_compatible(caps, decode->decoder_caps))
return TRUE;
codec = gst_vaapi_codec_from_caps(caps);
@ -480,6 +486,14 @@ gst_vaapidecode_close(GstVideoDecoder *vdec)
return TRUE;
}
static gboolean
gst_vaapidecode_reset(GstVideoDecoder *vdec, gboolean hard)
{
GstVaapiDecode * const decode = GST_VAAPIDECODE(vdec);
return gst_vaapidecode_reset_full(decode, decode->sinkpad_caps, hard);
}
static gboolean
gst_vaapidecode_set_format(GstVideoDecoder *vdec, GstVideoCodecState *state)
{
@ -489,7 +503,7 @@ gst_vaapidecode_set_format(GstVideoDecoder *vdec, GstVideoCodecState *state)
return FALSE;
if (!gst_vaapidecode_update_src_caps(decode, state))
return FALSE;
if (!gst_vaapidecode_reset(decode, decode->sinkpad_caps))
if (!gst_vaapidecode_reset_full(decode, decode->sinkpad_caps, FALSE))
return FALSE;
return TRUE;
}
@ -549,6 +563,7 @@ gst_vaapidecode_class_init(GstVaapiDecodeClass *klass)
vdec_class->open = GST_DEBUG_FUNCPTR(gst_vaapidecode_open);
vdec_class->close = GST_DEBUG_FUNCPTR(gst_vaapidecode_close);
vdec_class->set_format = GST_DEBUG_FUNCPTR(gst_vaapidecode_set_format);
vdec_class->reset = GST_DEBUG_FUNCPTR(gst_vaapidecode_reset);
vdec_class->parse = GST_DEBUG_FUNCPTR(gst_vaapidecode_parse);
vdec_class->handle_frame = GST_DEBUG_FUNCPTR(gst_vaapidecode_handle_frame);
vdec_class->finish = GST_DEBUG_FUNCPTR(gst_vaapidecode_finish);