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vp8dec: Improve output_state handling

Browse source 
Avoid getting output_state for every buffer as that requires
getting the objectlock and doing reference counting. Store it locally
when it is created and use it.
This commit is contained in:
Thiago Santos 2012-04-27 18:22:42 -03:00 committed by Sebastian Dröge
parent 44d22d3e82
commit 1f34e79ffc
2 changed files with 9 additions and 8 deletions
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16
ext/vp8/gstvp8dec.c
View file

@ -300,6 +300,10 @@ gst_vp8_dec_reset (GstVideoDecoder * base_video_decoder, gboolean hard)
decoder = GST_VP8_DEC (base_video_decoder);
if (decoder->output_state) {
gst_video_codec_state_unref (decoder->output_state);
decoder->output_state = NULL;
}
if (decoder->decoder_inited)
vpx_codec_destroy (&decoder->decoder);
decoder->decoder_inited = FALSE;
@ -326,11 +330,9 @@ gst_vp8_dec_image_to_buffer (GstVP8Dec * dec, const vpx_image_t * img,
{
int stride, w, h, i;
guint8 *d;
GstVideoCodecState *outputstate;
GstVideoInfo *info;
outputstate = gst_video_decoder_get_output_state (GST_VIDEO_DECODER (dec));
info = &outputstate->info;
info = &dec->output_state->info;
d = GST_BUFFER_DATA (buffer) + GST_VIDEO_INFO_COMP_OFFSET (info, 0);
stride = GST_VIDEO_INFO_COMP_STRIDE (info, 0);
@ -358,8 +360,6 @@ gst_vp8_dec_image_to_buffer (GstVP8Dec * dec, const vpx_image_t * img,
for (i = 0; i < h; i++)
memcpy (d + i * stride,
img->planes[VPX_PLANE_V] + i * img->stride[VPX_PLANE_V], w);
gst_video_codec_state_unref (outputstate);
}
static GstFlowReturn
@ -370,7 +370,6 @@ open_codec (GstVP8Dec * dec, GstVideoCodecFrame * frame)
vpx_codec_caps_t caps;
GstVideoCodecState *state = dec->input_state;
vpx_codec_err_t status;
GstVideoCodecState *output_state;
memset (&stream_info, 0, sizeof (stream_info));
stream_info.sz = sizeof (stream_info);
@ -385,9 +384,10 @@ open_codec (GstVP8Dec * dec, GstVideoCodecFrame * frame)
return GST_FLOW_OK;
}
output_state = gst_video_decoder_set_output_state (GST_VIDEO_DECODER (dec),
g_assert (dec->output_state == NULL);
dec->output_state =
gst_video_decoder_set_output_state (GST_VIDEO_DECODER (dec),
GST_VIDEO_FORMAT_I420, stream_info.w, stream_info.h, state);
gst_video_codec_state_unref (output_state);
gst_vp8_dec_send_tags (dec);
caps = vpx_codec_get_caps (&vpx_codec_vp8_dx_algo);

1
ext/vp8/gstvp8dec.h
View file

@ -68,6 +68,7 @@ struct _GstVP8Dec
gint noise_level;
GstVideoCodecState *input_state;
GstVideoCodecState *output_state;
};
struct _GstVP8DecClass