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Small cleanups

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Original commit message from CVS:
Small cleanups
Fix segfault when not negotiated
This commit is contained in:
Wim Taymans 2002-09-15 17:48:42 +00:00
parent a05c83c00f
commit 35a149770d
3 changed files with 119 additions and 35 deletions
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57
ext/flac/gstflacdec.c
View file

@ -65,7 +65,8 @@ static gboolean gst_flacdec_src_event (GstPad *pad, GstEvent *event);
static FLAC__SeekableStreamDecoderReadStatus
gst_flacdec_read (const FLAC__SeekableStreamDecoder *decoder,
FLAC__byte buffer[], unsigned *bytes, void *client_data);
FLAC__byte buffer[], unsigned *bytes,
void *client_data);
static FLAC__SeekableStreamDecoderSeekStatus
gst_flacdec_seek (const FLAC__SeekableStreamDecoder *decoder,
FLAC__uint64 position, void *client_data);
@ -79,7 +80,8 @@ static FLAC__bool gst_flacdec_eof (const FLAC__SeekableStreamDecoder *decoder
void *client_data);
static FLAC__StreamDecoderWriteStatus
gst_flacdec_write (const FLAC__SeekableStreamDecoder *decoder,
const FLAC__Frame *frame, const FLAC__int32 * const buffer[],
const FLAC__Frame *frame,
const FLAC__int32 * const buffer[],
void *client_data);
static void gst_flacdec_metadata_callback (const FLAC__SeekableStreamDecoder *decoder,
const FLAC__StreamMetadata *metadata,
@ -199,7 +201,8 @@ gst_flacdec_error_callback (const FLAC__SeekableStreamDecoder *decoder,
}
static FLAC__SeekableStreamDecoderSeekStatus
gst_flacdec_seek (const FLAC__SeekableStreamDecoder *decoder, FLAC__uint64 position, void *client_data)
gst_flacdec_seek (const FLAC__SeekableStreamDecoder *decoder,
FLAC__uint64 position, void *client_data)
{
FlacDec *flacdec;
@ -213,7 +216,8 @@ gst_flacdec_seek (const FLAC__SeekableStreamDecoder *decoder, FLAC__uint64 posit
}
static FLAC__SeekableStreamDecoderTellStatus
gst_flacdec_tell (const FLAC__SeekableStreamDecoder *decoder, FLAC__uint64 *position, void *client_data)
gst_flacdec_tell (const FLAC__SeekableStreamDecoder *decoder,
FLAC__uint64 *position, void *client_data)
{
FlacDec *flacdec;
@ -229,7 +233,8 @@ gst_flacdec_tell (const FLAC__SeekableStreamDecoder *decoder, FLAC__uint64 *posi
}
static FLAC__SeekableStreamDecoderLengthStatus
gst_flacdec_length (const FLAC__SeekableStreamDecoder *decoder, FLAC__uint64 *length, void *client_data)
gst_flacdec_length (const FLAC__SeekableStreamDecoder *decoder,
FLAC__uint64 *length, void *client_data)
{
FlacDec *flacdec;
@ -245,7 +250,8 @@ gst_flacdec_length (const FLAC__SeekableStreamDecoder *decoder, FLAC__uint64 *le
}
static FLAC__bool
gst_flacdec_eof (const FLAC__SeekableStreamDecoder *decoder, void *client_data)
gst_flacdec_eof (const FLAC__SeekableStreamDecoder *decoder,
void *client_data)
{
FlacDec *flacdec;
@ -256,7 +262,9 @@ gst_flacdec_eof (const FLAC__SeekableStreamDecoder *decoder, void *client_data)
}
static FLAC__SeekableStreamDecoderReadStatus
gst_flacdec_read (const FLAC__SeekableStreamDecoder *decoder, FLAC__byte buffer[], unsigned *bytes, void *client_data)
gst_flacdec_read (const FLAC__SeekableStreamDecoder *decoder,
FLAC__byte buffer[], unsigned *bytes,
void *client_data)
{
FlacDec *flacdec;
gint insize = 0;
@ -309,8 +317,10 @@ gst_flacdec_read (const FLAC__SeekableStreamDecoder *decoder, FLAC__byte buffer[
}
static FLAC__StreamDecoderWriteStatus
gst_flacdec_write (const FLAC__SeekableStreamDecoder *decoder, const FLAC__Frame *frame,
const FLAC__int32 * const buffer[], void *client_data)
gst_flacdec_write (const FLAC__SeekableStreamDecoder *decoder,
const FLAC__Frame *frame,
const FLAC__int32 * const buffer[],
void *client_data)
{
FlacDec *flacdec;
GstBuffer *outbuf;
@ -342,7 +352,8 @@ gst_flacdec_write (const FLAC__SeekableStreamDecoder *decoder, const FLAC__Frame
&format, &bytes);
discont = gst_event_new_discontinuous (FALSE, GST_FORMAT_TIME, time,
GST_FORMAT_BYTES, bytes,
GST_FORMAT_UNITS, flacdec->total_samples, NULL);
GST_FORMAT_UNITS, flacdec->total_samples,
NULL);
gst_pad_push (flacdec->srcpad, GST_BUFFER (discont));
}
@ -417,9 +428,12 @@ gst_flacdec_loop (GstElement *element)
}
if (flacdec->seek_pending) {
GST_DEBUG (GST_CAT_EVENT, "perform seek to sample %lld\n", flacdec->seek_value);
GST_DEBUG (GST_CAT_EVENT, "perform seek to sample %lld\n",
flacdec->seek_value);
if (FLAC__seekable_stream_decoder_seek_absolute(flacdec->decoder, flacdec->seek_value)) {
if (FLAC__seekable_stream_decoder_seek_absolute (flacdec->decoder,
flacdec->seek_value))
{
flacdec->total_samples = flacdec->seek_value;
GST_DEBUG (GST_CAT_EVENT, "seek done\n");
}
@ -430,7 +444,9 @@ gst_flacdec_loop (GstElement *element)
}
res = FLAC__seekable_stream_decoder_process_one_frame (flacdec->decoder);
if (FLAC__seekable_stream_decoder_get_state (flacdec->decoder) == FLAC__SEEKABLE_STREAM_DECODER_END_OF_STREAM) {
if (FLAC__seekable_stream_decoder_get_state (flacdec->decoder) ==
FLAC__SEEKABLE_STREAM_DECODER_END_OF_STREAM)
{
GstEvent *event;
FLAC__seekable_stream_decoder_finish(flacdec->decoder);
@ -539,11 +555,17 @@ gst_flacdec_src_query (GstPad *pad, GstPadQueryType type,
else
samples = flacdec->stream_samples;
gst_pad_convert (flacdec->srcpad, GST_FORMAT_UNITS, samples, format, value);
gst_pad_convert (flacdec->srcpad,
GST_FORMAT_UNITS,
samples,
format, value);
break;
}
case GST_PAD_QUERY_POSITION:
gst_pad_convert (flacdec->srcpad, GST_FORMAT_UNITS, flacdec->total_samples, format, value);
gst_pad_convert (flacdec->srcpad,
GST_FORMAT_UNITS,
flacdec->total_samples,
format, value);
break;
default:
res = FALSE;
@ -568,7 +590,9 @@ gst_flacdec_src_event (GstPad *pad, GstEvent *event)
case GST_EVENT_SEEK:
format = GST_FORMAT_UNITS;
if (gst_pad_convert (flacdec->srcpad, GST_EVENT_SEEK_FORMAT (event), GST_EVENT_SEEK_OFFSET (event),
if (gst_pad_convert (flacdec->srcpad,
GST_EVENT_SEEK_FORMAT (event),
GST_EVENT_SEEK_OFFSET (event),
&format, &flacdec->seek_value))
flacdec->seek_pending = TRUE;
else
@ -590,7 +614,6 @@ gst_flacdec_change_state (GstElement *element)
switch (GST_STATE_TRANSITION (element)) {
case GST_STATE_NULL_TO_READY:
case GST_STATE_READY_TO_PAUSED:
flacdec->init = TRUE;
flacdec->bs = gst_bytestream_new (flacdec->sinkpad);
flacdec->seek_pending = FALSE;
flacdec->total_samples = 0;

96
ext/flac/gstflacenc.c
View file

@ -50,13 +50,20 @@ static void gst_flacenc_class_init (FlacEncClass *klass);
static void gst_flacenc_chain (GstPad *pad, GstBuffer *buf);
static void gst_flacenc_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
static void gst_flacenc_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
static void gst_flacenc_set_property (GObject *object, guint prop_id,
const GValue *value, GParamSpec *pspec);
static void gst_flacenc_get_property (GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec);
static GstElementStateReturn
gst_flacenc_change_state (GstElement *element);
static FLAC__StreamEncoderWriteStatus
gst_flacenc_write_callback (const FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], unsigned bytes,
unsigned samples, unsigned current_frame, void *client_data);
static void gst_flacenc_metadata_callback (const FLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata,
gst_flacenc_write_callback (const FLAC__StreamEncoder *encoder,
const FLAC__byte buffer[], unsigned bytes,
unsigned samples, unsigned current_frame,
void *client_data);
static void gst_flacenc_metadata_callback (const FLAC__StreamEncoder *encoder,
const FLAC__StreamMetadata *metadata,
void *client_data);
static GstElementClass *parent_class = NULL;
@ -98,6 +105,8 @@ gst_flacenc_class_init (FlacEncClass *klass)
/* we have no properties atm so this is a bit silly */
gobject_class->set_property = gst_flacenc_set_property;
gobject_class->get_property = gst_flacenc_get_property;
gstelement_class->change_state = gst_flacenc_change_state;
}
static GstPadConnectReturn
@ -114,9 +123,14 @@ gst_flacenc_sinkconnect (GstPad *pad, GstCaps *caps)
gst_caps_get_int (caps, "depth", &flacenc->depth);
gst_caps_get_int (caps, "rate", &flacenc->sample_rate);
FLAC__stream_encoder_set_bits_per_sample (flacenc->encoder, flacenc->depth);
FLAC__stream_encoder_set_sample_rate (flacenc->encoder, flacenc->sample_rate);
FLAC__stream_encoder_set_channels (flacenc->encoder, flacenc->channels);
FLAC__stream_encoder_set_bits_per_sample (flacenc->encoder,
flacenc->depth);
FLAC__stream_encoder_set_sample_rate (flacenc->encoder,
flacenc->sample_rate);
FLAC__stream_encoder_set_channels (flacenc->encoder,
flacenc->channels);
flacenc->negotiated = TRUE;
return GST_PAD_CONNECT_OK;
}
@ -136,16 +150,23 @@ gst_flacenc_init (FlacEnc *flacenc)
flacenc->first_buf = NULL;
flacenc->encoder = FLAC__stream_encoder_new();
FLAC__stream_encoder_set_write_callback (flacenc->encoder, gst_flacenc_write_callback);
FLAC__stream_encoder_set_metadata_callback (flacenc->encoder, gst_flacenc_metadata_callback);
FLAC__stream_encoder_set_client_data (flacenc->encoder, flacenc);
FLAC__stream_encoder_set_write_callback (flacenc->encoder,
gst_flacenc_write_callback);
FLAC__stream_encoder_set_metadata_callback (flacenc->encoder,
gst_flacenc_metadata_callback);
FLAC__stream_encoder_set_client_data (flacenc->encoder,
flacenc);
GST_FLAG_SET (flacenc, GST_ELEMENT_EVENT_AWARE);
flacenc->negotiated = FALSE;
}
static FLAC__StreamEncoderWriteStatus
gst_flacenc_write_callback (const FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], unsigned bytes,
unsigned samples, unsigned current_frame, void *client_data)
gst_flacenc_write_callback (const FLAC__StreamEncoder *encoder,
const FLAC__byte buffer[], unsigned bytes,
unsigned samples, unsigned current_frame,
void *client_data)
{
FlacEnc *flacenc;
GstBuffer *outbuf;
@ -170,7 +191,9 @@ gst_flacenc_write_callback (const FLAC__StreamEncoder *encoder, const FLAC__byte
}
static void
gst_flacenc_metadata_callback (const FLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data)
gst_flacenc_metadata_callback (const FLAC__StreamEncoder *encoder,
const FLAC__StreamMetadata *metadata,
void *client_data)
{
GstEvent *event;
FlacEnc *flacenc;
@ -242,13 +265,21 @@ gst_flacenc_chain (GstPad *pad, GstBuffer *buf)
return;
}
if (!flacenc->negotiated) {
gst_element_error (GST_ELEMENT (flacenc),
"format not negotiated");
return;
}
channels = flacenc->channels;
depth = flacenc->depth;
insize = GST_BUFFER_SIZE (buf);
samples = insize / channels / ((depth+7)>>3);
if (FLAC__stream_encoder_get_state (flacenc->encoder) == FLAC__STREAM_ENCODER_UNINITIALIZED) {
if (FLAC__stream_encoder_get_state (flacenc->encoder) ==
FLAC__STREAM_ENCODER_UNINITIALIZED)
{
FLAC__StreamEncoderState state;
state = FLAC__stream_encoder_init (flacenc->encoder);
@ -277,7 +308,8 @@ gst_flacenc_chain (GstPad *pad, GstBuffer *buf)
}
}
res = FLAC__stream_encoder_process (flacenc->encoder, (const FLAC__int32 **)data, samples);
res = FLAC__stream_encoder_process (flacenc->encoder,
(const FLAC__int32 **)data, samples);
for (i=0; i<channels; i++) {
g_free (data[i]);
@ -287,7 +319,8 @@ gst_flacenc_chain (GstPad *pad, GstBuffer *buf)
}
static void
gst_flacenc_set_property(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
gst_flacenc_set_property (GObject *object, guint prop_id,
const GValue *value, GParamSpec *pspec)
{
FlacEnc *this;
@ -300,7 +333,8 @@ gst_flacenc_set_property(GObject *object, guint prop_id, const GValue *value, GP
}
static void
gst_flacenc_get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
gst_flacenc_get_property (GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec)
{
FlacEnc *this;
@ -313,3 +347,29 @@ gst_flacenc_get_property(GObject *object, guint prop_id, GValue *value, GParamSp
}
}
static GstElementStateReturn
gst_flacenc_change_state (GstElement *element)
{
FlacEnc *flacenc = GST_FLACENC (element);
switch (GST_STATE_TRANSITION (element)) {
case GST_STATE_NULL_TO_READY:
case GST_STATE_READY_TO_PAUSED:
break;
case GST_STATE_PAUSED_TO_PLAYING:
case GST_STATE_PLAYING_TO_PAUSED:
break;
case GST_STATE_PAUSED_TO_READY:
flacenc->negotiated = FALSE;
break;
case GST_STATE_READY_TO_NULL:
default:
break;
}
if (GST_ELEMENT_CLASS (parent_class)->change_state)
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
return GST_STATE_SUCCESS;
}

1
ext/flac/gstflacenc.h
View file

@ -51,6 +51,7 @@ struct _FlacEnc {
gint channels;
gint depth;
gint sample_rate;
gboolean negotiated;
FLAC__StreamEncoder *encoder;
};