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theoraenc: Clean up handling of reset/flushing/start/stop

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This commit is contained in:
Sebastian Dröge 2013-07-25 13:31:07 +02:00
parent 775aa4100b
commit 239b623a9c
1 changed files with 53 additions and 44 deletions
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97
ext/theora/gsttheoraenc.c
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@ -177,6 +177,7 @@ G_DEFINE_TYPE (GstTheoraEnc, gst_theora_enc, GST_TYPE_VIDEO_ENCODER);
static gboolean theora_enc_start (GstVideoEncoder * enc);
static gboolean theora_enc_stop (GstVideoEncoder * enc);
static gboolean theora_enc_reset (GstVideoEncoder * enc, gboolean hard);
static gboolean theora_enc_set_format (GstVideoEncoder * enc,
GstVideoCodecState * state);
static GstFlowReturn theora_enc_handle_frame (GstVideoEncoder * enc,
@ -221,6 +222,7 @@ gst_theora_enc_class_init (GstTheoraEncClass * klass)
gstvideo_encoder_class->start = GST_DEBUG_FUNCPTR (theora_enc_start);
gstvideo_encoder_class->stop = GST_DEBUG_FUNCPTR (theora_enc_stop);
gstvideo_encoder_class->reset = GST_DEBUG_FUNCPTR (theora_enc_reset);
gstvideo_encoder_class->set_format =
GST_DEBUG_FUNCPTR (theora_enc_set_format);
gstvideo_encoder_class->handle_frame =
@ -355,9 +357,10 @@ theora_enc_finalize (GObject * object)
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
theora_enc_reset (GstTheoraEnc * enc)
static gboolean
theora_enc_reset (GstVideoEncoder * encoder, gboolean hard)
{
GstTheoraEnc *enc = GST_THEORA_ENC (encoder);
ogg_uint32_t keyframe_force;
int rate_flags;
@ -370,40 +373,56 @@ theora_enc_reset (GstTheoraEnc * enc)
if (enc->encoder)
th_encode_free (enc->encoder);
enc->encoder = th_encode_alloc (&enc->info);
/* We ensure this function cannot fail. */
g_assert (enc->encoder != NULL);
th_encode_ctl (enc->encoder, TH_ENCCTL_SET_SPLEVEL, &enc->speed_level,
sizeof (enc->speed_level));
th_encode_ctl (enc->encoder, TH_ENCCTL_SET_VP3_COMPATIBLE,
&enc->vp3_compatible, sizeof (enc->vp3_compatible));
rate_flags = 0;
if (enc->drop_frames)
rate_flags |= TH_RATECTL_DROP_FRAMES;
if (enc->drop_frames)
rate_flags |= TH_RATECTL_CAP_OVERFLOW;
if (enc->drop_frames)
rate_flags |= TH_RATECTL_CAP_UNDERFLOW;
th_encode_ctl (enc->encoder, TH_ENCCTL_SET_RATE_FLAGS,
&rate_flags, sizeof (rate_flags));
if (!hard) {
enc->encoder = th_encode_alloc (&enc->info);
/* We ensure this function cannot fail. */
g_assert (enc->encoder != NULL);
th_encode_ctl (enc->encoder, TH_ENCCTL_SET_SPLEVEL, &enc->speed_level,
sizeof (enc->speed_level));
th_encode_ctl (enc->encoder, TH_ENCCTL_SET_VP3_COMPATIBLE,
&enc->vp3_compatible, sizeof (enc->vp3_compatible));
if (enc->rate_buffer) {
th_encode_ctl (enc->encoder, TH_ENCCTL_SET_RATE_BUFFER,
&enc->rate_buffer, sizeof (enc->rate_buffer));
rate_flags = 0;
if (enc->drop_frames)
rate_flags |= TH_RATECTL_DROP_FRAMES;
if (enc->drop_frames)
rate_flags |= TH_RATECTL_CAP_OVERFLOW;
if (enc->drop_frames)
rate_flags |= TH_RATECTL_CAP_UNDERFLOW;
th_encode_ctl (enc->encoder, TH_ENCCTL_SET_RATE_FLAGS,
&rate_flags, sizeof (rate_flags));
if (enc->rate_buffer) {
th_encode_ctl (enc->encoder, TH_ENCCTL_SET_RATE_BUFFER,
&enc->rate_buffer, sizeof (enc->rate_buffer));
} else {
/* FIXME */
}
keyframe_force = enc->keyframe_auto ?
enc->keyframe_force : enc->keyframe_freq;
th_encode_ctl (enc->encoder, TH_ENCCTL_SET_KEYFRAME_FREQUENCY_FORCE,
&keyframe_force, sizeof (keyframe_force));
/* Get placeholder data */
if (enc->multipass_cache_fd
&& enc->multipass_mode == MULTIPASS_MODE_FIRST_PASS)
theora_enc_write_multipass_cache (enc, TRUE, FALSE);
} else {
/* FIXME */
enc->encoder = NULL;
th_comment_clear (&enc->comment);
th_info_clear (&enc->info);
if (enc->input_state)
gst_video_codec_state_unref (enc->input_state);
enc->input_state = NULL;
enc->packetno = 0;
enc->initialised = FALSE;
}
keyframe_force = enc->keyframe_auto ?
enc->keyframe_force : enc->keyframe_freq;
th_encode_ctl (enc->encoder, TH_ENCCTL_SET_KEYFRAME_FREQUENCY_FORCE,
&keyframe_force, sizeof (keyframe_force));
/* Get placeholder data */
if (enc->multipass_cache_fd
&& enc->multipass_mode == MULTIPASS_MODE_FIRST_PASS)
theora_enc_write_multipass_cache (enc, TRUE, FALSE);
return TRUE;
}
static gboolean
@ -414,10 +433,6 @@ theora_enc_start (GstVideoEncoder * benc)
GST_DEBUG_OBJECT (benc, "start: init theora");
enc = GST_THEORA_ENC (benc);
th_info_init (&enc->info);
th_comment_init (&enc->comment);
enc->packetno = 0;
if (enc->multipass_mode >= MULTIPASS_MODE_FIRST_PASS) {
GError *err = NULL;
@ -453,14 +468,8 @@ theora_enc_stop (GstVideoEncoder * benc)
GST_DEBUG_OBJECT (benc, "stop: clearing theora state");
enc = GST_THEORA_ENC (benc);
if (enc->encoder) {
th_encode_free (enc->encoder);
enc->encoder = NULL;
}
th_comment_clear (&enc->comment);
th_info_clear (&enc->info);
enc->initialised = FALSE;
/* Everything else is handled in reset() */
theora_enc_clear_multipass_cache (enc);
return TRUE;
}
@ -587,7 +596,7 @@ theora_enc_set_format (GstVideoEncoder * benc, GstVideoCodecState * state)
"keyframe_frequency_force is %d, granule shift is %d",
enc->keyframe_force, enc->info.keyframe_granule_shift);
theora_enc_reset (enc);
theora_enc_reset (benc, FALSE);
enc->initialised = TRUE;
return TRUE;