void
gst_core_audio_remove_render_callback (GstCoreAudio * core_audio)
{
AURenderCallbackStruct input;
OSStatus status;
/* Deactivate the render callback by calling SetRenderCallback
* with a NULL inputProc.
*/
input.inputProc = NULL;
input.inputProcRefCon = NULL;
status = AudioUnitSetProperty (core_audio->audiounit, kAudioUnitProperty_SetRenderCallback, kAudioUnitScope_Global, 0, /* N/A for global */
&input, sizeof (input));
if (status) {
GST_WARNING_OBJECT (core_audio->osxbuf, "Failed to remove render callback %"
GST_FOURCC_FORMAT, GST_FOURCC_ARGS (status));
}
/* Remove the RenderNotify too */
status = AudioUnitRemoveRenderNotify (core_audio->audiounit,
(AURenderCallback) gst_core_audio_render_notify, core_audio);
if (status) {
GST_WARNING_OBJECT (core_audio->osxbuf,
"Failed to remove render notify callback %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (status));
}
/* We're deactivated.. */
core_audio->io_proc_needs_deactivation = FALSE;
core_audio->io_proc_active = FALSE;
}
gboolean
gst_core_audio_io_proc_start (GstCoreAudio * core_audio)
{
OSStatus status;
AURenderCallbackStruct input;
AudioUnitPropertyID callback_type;
GST_DEBUG_OBJECT (core_audio->osxbuf,
"osx ring buffer start ioproc: %p device_id %lu",
core_audio->element->io_proc, (gulong) core_audio->device_id);
if (!core_audio->io_proc_active) {
callback_type = core_audio->is_src ?
kAudioOutputUnitProperty_SetInputCallback :
kAudioUnitProperty_SetRenderCallback;
input.inputProc = (AURenderCallback) core_audio->element->io_proc;
input.inputProcRefCon = core_audio->osxbuf;
status = AudioUnitSetProperty (core_audio->audiounit, callback_type, kAudioUnitScope_Global, 0, /* N/A for global */
&input, sizeof (input));
if (status) {
GST_ERROR_OBJECT (core_audio->osxbuf,
"AudioUnitSetProperty failed: %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (status));
return FALSE;
}
// ### does it make sense to do this notify stuff for input mode?
status = AudioUnitAddRenderNotify (core_audio->audiounit,
(AURenderCallback) gst_core_audio_render_notify, core_audio);
if (status) {
GST_ERROR_OBJECT (core_audio->osxbuf,
"AudioUnitAddRenderNotify failed %"
GST_FOURCC_FORMAT, GST_FOURCC_ARGS (status));
return FALSE;
}
core_audio->io_proc_active = TRUE;
}
core_audio->io_proc_needs_deactivation = FALSE;
status = AudioOutputUnitStart (core_audio->audiounit);
if (status) {
GST_ERROR_OBJECT (core_audio->osxbuf, "AudioOutputUnitStart failed: %"
GST_FOURCC_FORMAT, GST_FOURCC_ARGS (status));
return FALSE;
}
return TRUE;
}
/**
* gst_vaapi_image_new:
* @display: a #GstVaapiDisplay
* @format: a #GstVaapiImageFormat
* @width: the requested image width
* @height: the requested image height
*
* Creates a new #GstVaapiImage with the specified format and
* dimensions.
*
* Return value: the newly allocated #GstVaapiImage object
*/
GstVaapiImage *
gst_vaapi_image_new(
GstVaapiDisplay *display,
GstVaapiImageFormat format,
guint width,
guint height
)
{
GstVaapiImage *image;
g_return_val_if_fail(GST_VAAPI_IS_DISPLAY(display), NULL);
g_return_val_if_fail(width > 0, NULL);
g_return_val_if_fail(height > 0, NULL);
GST_DEBUG("format %" GST_FOURCC_FORMAT ", size %ux%u",
GST_FOURCC_ARGS(format), width, height);
image = g_object_new(
GST_VAAPI_TYPE_IMAGE,
"display", display,
"id", GST_VAAPI_ID(VA_INVALID_ID),
"format", format,
"width", width,
"height", height,
NULL
);
if (!image)
return NULL;
if (!image->priv->is_constructed) {
g_object_unref(image);
return NULL;
}
return image;
}
gboolean
gst_core_audio_set_format (GstCoreAudio * core_audio,
AudioStreamBasicDescription format)
{
/* Configure the output stream and allocate ringbuffer memory */
OSStatus status;
UInt32 propertySize;
int element;
AudioUnitScope scope;
GST_DEBUG_OBJECT (core_audio->osxbuf, "Setting format for AudioUnit");
scope = core_audio->is_src ? kAudioUnitScope_Output : kAudioUnitScope_Input;
element = core_audio->is_src ? 1 : 0;
propertySize = sizeof (AudioStreamBasicDescription);
status = AudioUnitSetProperty (core_audio->audiounit,
kAudioUnitProperty_StreamFormat, scope, element, &format, propertySize);
if (status) {
GST_WARNING_OBJECT (core_audio->osxbuf,
"Failed to set audio description: %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (status));
return FALSE;;
}
return TRUE;
}
ImageDescription *
image_description_from_codec_data (GstBuffer * buf, guint32 codectype)
{
ImageDescription *desc = NULL;
GST_LOG ("codectype:%" GST_FOURCC_FORMAT " buf:%p",
GST_FOURCC_ARGS (codectype), buf);
if ((GST_BUFFER_SIZE (buf) == GST_READ_UINT32_BE (GST_BUFFER_DATA (buf))) &&
(QT_MAKE_FOURCC_LE ('s', 't', 's',
'd') == GST_READ_UINT32_BE (GST_BUFFER_DATA (buf) + 4))) {
/* We have the full stsd (ImageDescription) in our codec_data */
desc = image_description_from_stsd_buffer (buf);
} else {
switch (codectype) {
case QT_MAKE_FOURCC_LE ('m', 'p', '4', 'v'):
desc = image_description_for_mp4v (buf);
break;
case QT_MAKE_FOURCC_LE ('a', 'v', 'c', '1'):
desc = image_description_for_avc1 (buf);
break;
default:
GST_WARNING ("Format not handled !");
}
}
return desc;
}
gboolean
gst_core_audio_bind_device (GstCoreAudio * core_audio)
{
OSStatus status;
/* Specify which device we're using. */
GST_DEBUG_OBJECT (core_audio->osxbuf, "Bind AudioUnit to device %d",
(int) core_audio->device_id);
status = AudioUnitSetProperty (core_audio->audiounit,
kAudioOutputUnitProperty_CurrentDevice, kAudioUnitScope_Global, 0,
&core_audio->device_id, sizeof (AudioDeviceID));
if (status) {
GST_ERROR_OBJECT (core_audio->osxbuf, "Failed binding to device: %"
GST_FOURCC_FORMAT, GST_FOURCC_ARGS (status));
goto audiounit_error;
}
return TRUE;
audiounit_error:
if (core_audio->recBufferList) {
buffer_list_free (core_audio->recBufferList);
core_audio->recBufferList = NULL;
}
return FALSE;
}
/**
* gst_vaapi_image_new_with_image:
* @display: a #GstVaapiDisplay
* @va_image: a VA image
*
* Creates a new #GstVaapiImage from a foreign VA image. The image
* format and dimensions will be extracted from @va_image. This
* function is mainly used by gst_vaapi_surface_derive_image() to bind
* a VA image to a #GstVaapiImage object.
*
* Return value: the newly allocated #GstVaapiImage object
*/
GstVaapiImage *
gst_vaapi_image_new_with_image(GstVaapiDisplay *display, VAImage *va_image)
{
GstVaapiImage *image;
g_return_val_if_fail(GST_VAAPI_IS_DISPLAY(display), NULL);
g_return_val_if_fail(va_image, NULL);
g_return_val_if_fail(va_image->image_id != VA_INVALID_ID, NULL);
g_return_val_if_fail(va_image->buf != VA_INVALID_ID, NULL);
GST_DEBUG("VA image 0x%08x, format %" GST_FOURCC_FORMAT ", size %ux%u",
va_image->image_id,
GST_FOURCC_ARGS(va_image->format.fourcc),
va_image->width, va_image->height);
image = g_object_new(
GST_VAAPI_TYPE_IMAGE,
"display", display,
"id", GST_VAAPI_ID(va_image->image_id),
"image", va_image,
NULL
);
if (!image)
return NULL;
if (!image->priv->is_constructed) {
g_object_unref(image);
return NULL;
}
return image;
}
void
dump_cvpixel_buffer (CVPixelBufferRef pixbuf)
{
gsize left, right, top, bottom;
GST_LOG ("buffer %p", pixbuf);
if (CVPixelBufferLockBaseAddress (pixbuf, 0)) {
GST_WARNING ("Couldn't lock base adress on pixel buffer !");
return;
}
GST_LOG ("Width:%" G_GSIZE_FORMAT " , Height:%" G_GSIZE_FORMAT,
CVPixelBufferGetWidth (pixbuf), CVPixelBufferGetHeight (pixbuf));
GST_LOG ("Format:%" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (CVPixelBufferGetPixelFormatType (pixbuf)));
GST_LOG ("base address:%p", CVPixelBufferGetBaseAddress (pixbuf));
GST_LOG ("Bytes per row:%" G_GSIZE_FORMAT,
CVPixelBufferGetBytesPerRow (pixbuf));
GST_LOG ("Data Size:%" G_GSIZE_FORMAT, CVPixelBufferGetDataSize (pixbuf));
GST_LOG ("Plane count:%" G_GSIZE_FORMAT, CVPixelBufferGetPlaneCount (pixbuf));
CVPixelBufferGetExtendedPixels (pixbuf, &left, &right, &top, &bottom);
GST_LOG ("Extended pixels. left/right/top/bottom : %" G_GSIZE_FORMAT
"/%" G_GSIZE_FORMAT "/%" G_GSIZE_FORMAT "/%" G_GSIZE_FORMAT,
left, right, top, bottom);
CVPixelBufferUnlockBaseAddress (pixbuf, 0);
}
GstFlowReturn
gst_riff_read_chunk (GstElement * element,
GstPad * pad, guint64 * _offset, guint32 * tag, GstBuffer ** _chunk_data)
{
GstBuffer *buf;
GstFlowReturn res;
guint size;
guint64 offset = *_offset;
g_return_val_if_fail (element != NULL, GST_FLOW_ERROR);
g_return_val_if_fail (pad != NULL, GST_FLOW_ERROR);
g_return_val_if_fail (_offset != NULL, GST_FLOW_ERROR);
g_return_val_if_fail (tag != NULL, GST_FLOW_ERROR);
g_return_val_if_fail (_chunk_data != NULL, GST_FLOW_ERROR);
skip_junk:
size = 8;
if ((res = gst_pad_pull_range (pad, offset, size, &buf)) != GST_FLOW_OK)
return res;
else if (GST_BUFFER_SIZE (buf) < size)
goto too_small;
*tag = GST_READ_UINT32_LE (GST_BUFFER_DATA (buf));
size = GST_READ_UINT32_LE (GST_BUFFER_DATA (buf) + 4);
gst_buffer_unref (buf);
GST_DEBUG_OBJECT (element, "fourcc=%" GST_FOURCC_FORMAT ", size=%u",
GST_FOURCC_ARGS (*tag), size);
/* skip 'JUNK' chunks */
if (*tag == GST_RIFF_TAG_JUNK || *tag == GST_RIFF_TAG_JUNQ) {
size = GST_ROUND_UP_2 (size);
*_offset += 8 + size;
offset += 8 + size;
GST_DEBUG_OBJECT (element, "skipping JUNK chunk");
goto skip_junk;
}
if ((res = gst_pad_pull_range (pad, offset + 8, size, &buf)) != GST_FLOW_OK)
return res;
else if (GST_BUFFER_SIZE (buf) < size)
goto too_small;
*_chunk_data = buf;
*_offset += 8 + GST_ROUND_UP_2 (size);
return GST_FLOW_OK;
/* ERRORS */
too_small:
{
/* short read, we return UNEXPECTED to mark the EOS case */
GST_DEBUG_OBJECT (element, "not enough data (available=%u, needed=%u)",
GST_BUFFER_SIZE (buf), size);
gst_buffer_unref (buf);
return GST_FLOW_UNEXPECTED;
}
}
static void
write_metadata (GstWavEnc * wavenc)
{
GString *info_str;
GList *props;
int total = 4;
gboolean need_to_write = FALSE;
info_str = g_string_new ("LIST INFO");
for (props = wavenc->metadata->properties->properties; props;
props = props->next) {
GstPropsEntry *entry = props->data;
const char *name;
guint32 id;
name = gst_props_entry_get_name (entry);
id = get_id_from_name (name);
if (id != 0) {
const char *text;
char *tmp;
int len, req, i;
need_to_write = TRUE; /* We've got at least one entry */
gst_props_entry_get_string (entry, &text);
len = strlen (text) + 1; /* The length in the file includes the \0 */
tmp = g_strdup_printf ("%" GST_FOURCC_FORMAT "%d%s", GST_FOURCC_ARGS (id),
GUINT32_TO_LE (len), text);
g_string_append (info_str, tmp);
g_free (tmp);
/* Check that we end on an even boundary */
req = ((len + 8) + 1) & ~1;
for (i = 0; i < req - len; i++) {
g_string_append_printf (info_str, "%c", 0);
}
total += req;
}
}
if (need_to_write) {
GstBuffer *buf;
/* Now we've got all the strings together, we can write our length in */
info_str->str[4] = GUINT32_TO_LE (total);
buf = gst_buffer_new ();
gst_buffer_set_data (buf, info_str->str, info_str->len);
gst_pad_push (wavenc->srcpad, GST_DATA (buf));
g_string_free (info_str, FALSE);
}
}
/*
* _gst_vaapi_image_set_image:
* @image: a #GstVaapiImage
* @va_image: a VA image
*
* Initializes #GstVaapiImage with a foreign VA image. This function
* will try to "linearize" the VA image. i.e. making sure that the VA
* image offsets into the data buffer are in increasing order with the
* number of planes available in the image.
*
* This is an internal function used by gst_vaapi_image_new_with_image().
*
* Return value: %TRUE on success
*/
gboolean
_gst_vaapi_image_set_image(GstVaapiImage *image, const VAImage *va_image)
{
GstVaapiImagePrivate * const priv = image->priv;
GstVaapiImageFormat format;
VAImage alt_va_image;
const VAImageFormat *alt_va_format;
if (!va_image)
return FALSE;
format = gst_vaapi_image_format(&va_image->format);
if (!format)
return FALSE;
priv->create_image = FALSE;
priv->internal_image = *va_image;
priv->internal_format = format;
priv->is_linear = vaapi_image_is_linear(va_image);
priv->image = *va_image;
priv->format = format;
priv->width = va_image->width;
priv->height = va_image->height;
/* Try to linearize image */
if (!priv->is_linear) {
switch (format) {
case GST_VAAPI_IMAGE_I420:
format = GST_VAAPI_IMAGE_YV12;
break;
case GST_VAAPI_IMAGE_YV12:
format = GST_VAAPI_IMAGE_I420;
break;
default:
format = 0;
break;
}
if (format &&
(alt_va_format = gst_vaapi_image_format_get_va_format(format))) {
alt_va_image = *va_image;
alt_va_image.format = *alt_va_format;
SWAP_UINT(alt_va_image.offsets[1], alt_va_image.offsets[2]);
SWAP_UINT(alt_va_image.pitches[1], alt_va_image.pitches[2]);
if (vaapi_image_is_linear(&alt_va_image)) {
priv->image = alt_va_image;
priv->format = format;
priv->is_linear = TRUE;
GST_DEBUG("linearized image to %" GST_FOURCC_FORMAT " format",
GST_FOURCC_ARGS(format));
}
}
}
return TRUE;
}
const QtNodeType *
qtdemux_type_get (guint32 fourcc)
{
int i;
for (i = 0; i < n_qt_node_types; i++) {
if (G_UNLIKELY (qt_node_types[i].fourcc == fourcc))
return qt_node_types + i;
}
GST_WARNING ("unknown QuickTime node type %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (fourcc));
return qt_node_types + n_qt_node_types - 1;
}
/*
* gst_aiffparse_peek_chunk_info:
* @aiff AIFFparse object
* @tag holder for tag
* @size holder for tag size
*
* Peek next chunk info (tag and size)
*
* Returns: %TRUE when the chunk info (header) is available
*/
static gboolean
gst_aiffparse_peek_chunk_info (AIFFParse * aiff, guint32 * tag, guint32 * size)
{
const guint8 *data = NULL;
if (gst_adapter_available (aiff->adapter) < 8)
return FALSE;
data = gst_adapter_peek (aiff->adapter, 8);
*tag = GST_READ_UINT32_LE (data);
*size = GST_READ_UINT32_BE (data + 4);
GST_DEBUG ("Next chunk size is %d bytes, type %" GST_FOURCC_FORMAT, *size,
GST_FOURCC_ARGS (*tag));
return TRUE;
}
static gboolean
gst_aiff_parse_parse_comm (GstAiffParse * aiff, GstBuffer * buf)
{
guint8 *data;
int size;
if (aiff->is_aifc)
size = 22;
else
size = 18;
if (GST_BUFFER_SIZE (buf) < size) {
GST_WARNING_OBJECT (aiff, "COMM chunk too short, cannot parse header");
return FALSE;
}
data = GST_BUFFER_DATA (buf);
aiff->channels = GST_READ_UINT16_BE (data);
aiff->total_frames = GST_READ_UINT32_BE (data + 2);
aiff->depth = GST_READ_UINT16_BE (data + 6);
aiff->width = GST_ROUND_UP_8 (aiff->depth);
aiff->rate = (int) gst_aiff_parse_read_IEEE80 (data + 8);
if (aiff->is_aifc) {
/* We only support the 'trivial' uncompressed AIFC, but it can be
* either big or little endian */
if (GST_READ_UINT32_LE (data + 18) == GST_MAKE_FOURCC ('N', 'O', 'N', 'E'))
aiff->endianness = G_BIG_ENDIAN;
else if (GST_READ_UINT32_LE (data + 18) ==
GST_MAKE_FOURCC ('s', 'o', 'w', 't'))
aiff->endianness = G_LITTLE_ENDIAN;
else {
GST_WARNING_OBJECT (aiff, "Unsupported compression in AIFC "
"file: %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (GST_READ_UINT32_LE (data + 18)));
return FALSE;
}
} else
aiff->endianness = G_BIG_ENDIAN;
return TRUE;
}
/**
* gst_riff_parse_file_header:
* @element: caller element (used for debugging/error).
* @buf: input buffer from which the file header will be parsed,
* should be at least 12 bytes long.
* @doctype: a fourcc (returned by this function) to indicate the
* type of document (according to the header).
*
* Reads the first few bytes from the provided buffer, checks
* if this stream is a RIFF stream, and determines document type.
* This function takes ownership of @buf so it should not be used anymore
* after calling this function.
*
* Returns: FALSE if this is not a RIFF stream (in which case the
* caller should error out; we already throw an error), or TRUE
* if it is.
*/
gboolean
gst_riff_parse_file_header (GstElement * element,
GstBuffer * buf, guint32 * doctype)
{
guint8 *data;
guint32 tag;
g_return_val_if_fail (buf != NULL, FALSE);
g_return_val_if_fail (doctype != NULL, FALSE);
if (GST_BUFFER_SIZE (buf) < 12)
goto too_small;
data = GST_BUFFER_DATA (buf);
tag = GST_READ_UINT32_LE (data);
if (tag != GST_RIFF_TAG_RIFF && tag != GST_RIFF_TAG_AVF0)
goto not_riff;
*doctype = GST_READ_UINT32_LE (data + 8);
gst_buffer_unref (buf);
return TRUE;
/* ERRORS */
too_small:
{
GST_ELEMENT_ERROR (element, STREAM, WRONG_TYPE, (NULL),
("Not enough data to parse RIFF header (%d available, %d needed)",
GST_BUFFER_SIZE (buf), 12));
gst_buffer_unref (buf);
return FALSE;
}
not_riff:
{
GST_ELEMENT_ERROR (element, STREAM, WRONG_TYPE, (NULL),
("Stream is no RIFF stream: %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (tag)));
gst_buffer_unref (buf);
return FALSE;
}
}
static void
gst_aiff_parse_ignore_chunk (GstAiffParse * aiff, GstBuffer * buf, guint32 tag,
guint32 size)
{
guint flush;
if (aiff->streaming) {
if (!gst_aiff_parse_peek_chunk (aiff, &tag, &size))
return;
}
GST_DEBUG_OBJECT (aiff, "Ignoring tag %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (tag));
flush = 8 + ((size + 1) & ~1);
aiff->offset += flush;
if (aiff->streaming) {
gst_adapter_flush (aiff->adapter, flush);
} else {
gst_buffer_unref (buf);
}
}
void
dump_image_description (ImageDescription * desc)
{
GST_LOG ("Description %p , size:%" G_GSIZE_FORMAT, desc, desc->idSize);
#if DEBUG_DUMP
gst_util_dump_mem ((const guchar *) desc, desc->idSize);
#endif
GST_LOG ("cType : %" GST_FOURCC_FORMAT, QT_FOURCC_ARGS (desc->cType));
GST_LOG ("version:%d", desc->version);
GST_LOG ("revisionLevel:%d", desc->revisionLevel);
GST_LOG ("vendor:%" GST_FOURCC_FORMAT, QT_FOURCC_ARGS (desc->vendor));
GST_LOG ("temporalQuality:%lu", desc->temporalQuality);
GST_LOG ("spatialQuality:%lu", desc->spatialQuality);
GST_LOG ("width:%u", desc->width);
GST_LOG ("height:%u", desc->height);
GST_LOG ("hres:%f", desc->hRes / 65536.0);
GST_LOG ("vres:%f", desc->vRes / 65536.0);
GST_LOG ("dataSize:%" G_GSIZE_FORMAT, desc->dataSize);
GST_LOG ("frameCount:%d", desc->frameCount);
GST_LOG ("name:%.*s", desc->name[0], desc->name + 1);
GST_LOG ("depth:%d", desc->depth);
GST_LOG ("clutID:%d", desc->clutID);
if (desc->idSize > sizeof (ImageDescription)) {
guint8 *extradata = (guint8 *) desc + sizeof (ImageDescription);
guint32 type = QT_READ_UINT32 (extradata + 4);
GST_LOG ("Extra Data size:%lu",
(gulong) desc->idSize - (gulong) sizeof (ImageDescription));
#if DEBUG_DUMP
gst_util_dump_mem ((gpointer) (gulong) desc +
(gulong) sizeof (ImageDescription),
(gulong) desc->idSize - (gulong) sizeof (ImageDescription));
#endif
GST_LOG ("Extra Data Type : %" GST_FOURCC_FORMAT, GST_FOURCC_ARGS (type));
if (type == QT_MAKE_FOURCC ('a', 'v', 'c', 'C'))
dump_avcc_atom (extradata);
}
}
static gboolean
ensure_allowed_caps (GstKMSSink * self, drmModePlane * plane, drmModeRes * res)
{
GstCaps *out_caps, *caps;
int i;
GstVideoFormat fmt;
const gchar *format;
if (self->allowed_caps)
return TRUE;
out_caps = gst_caps_new_empty ();
if (!out_caps)
return FALSE;
for (i = 0; i < plane->count_formats; i++) {
fmt = gst_video_format_from_drm (plane->formats[i]);
if (fmt == GST_VIDEO_FORMAT_UNKNOWN) {
GST_INFO_OBJECT (self, "ignoring format %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (plane->formats[i]));
continue;
}
format = gst_video_format_to_string (fmt);
caps = gst_caps_new_simple ("video/x-raw", "format", G_TYPE_STRING, format,
"width", GST_TYPE_INT_RANGE, res->min_width, res->max_width,
"height", GST_TYPE_INT_RANGE, res->min_height, res->max_height,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL);
if (!caps)
continue;
out_caps = gst_caps_merge (out_caps, caps);
}
self->allowed_caps = gst_caps_simplify (out_caps);
GST_DEBUG_OBJECT (self, "allowed caps = %" GST_PTR_FORMAT,
self->allowed_caps);
return TRUE;
}
gboolean
gst_core_audio_io_proc_stop (GstCoreAudio * core_audio)
{
OSErr status;
GST_DEBUG_OBJECT (core_audio->osxbuf,
"osx ring buffer stop ioproc: %p device_id %lu",
core_audio->element->io_proc, (gulong) core_audio->device_id);
status = AudioOutputUnitStop (core_audio->audiounit);
if (status) {
GST_WARNING_OBJECT (core_audio->osxbuf,
"AudioOutputUnitStop failed: %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (status));
}
// ###: why is it okay to directly remove from here but not from pause() ?
if (core_audio->io_proc_active) {
gst_core_audio_remove_render_callback (core_audio);
}
return TRUE;
}
static gboolean
gst_aiff_parse_parse_file_header (GstAiffParse * aiff, GstBuffer * buf)
{
guint8 *data;
guint32 header, type = 0;
if (GST_BUFFER_SIZE (buf) < 12) {
GST_WARNING_OBJECT (aiff, "Buffer too short");
goto not_aiff;
}
data = GST_BUFFER_DATA (buf);
header = GST_READ_UINT32_LE (data);
type = GST_READ_UINT32_LE (data + 8);
if (header != GST_MAKE_FOURCC ('F', 'O', 'R', 'M'))
goto not_aiff;
if (type == GST_MAKE_FOURCC ('A', 'I', 'F', 'F'))
aiff->is_aifc = FALSE;
else if (type == GST_MAKE_FOURCC ('A', 'I', 'F', 'C'))
aiff->is_aifc = TRUE;
else
goto not_aiff;
gst_buffer_unref (buf);
return TRUE;
/* ERRORS */
not_aiff:
{
GST_ELEMENT_ERROR (aiff, STREAM, WRONG_TYPE, (NULL),
("File is not an AIFF file: %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (type)));
gst_buffer_unref (buf);
return FALSE;
}
}
static gboolean
gst_aasink_setcaps (GstBaseSink * basesink, GstCaps * caps)
{
GstAASink *aasink;
GstStructure *structure;
aasink = GST_AASINK (basesink);
structure = gst_caps_get_structure (caps, 0);
gst_structure_get_int (structure, "width", &aasink->width);
gst_structure_get_int (structure, "height", &aasink->height);
/* FIXME aasink->format is never set */
g_print ("%d %d\n", aasink->width, aasink->height);
GST_DEBUG ("aasink: setting %08lx (%" GST_FOURCC_FORMAT ")",
aasink->format, GST_FOURCC_ARGS (aasink->format));
g_signal_emit (G_OBJECT (aasink), gst_aasink_signals[SIGNAL_HAVE_SIZE], 0,
aasink->width, aasink->height);
return TRUE;
}
static GstFlowReturn
gst_mim_dec_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
{
GstMimDec *mimdec = GST_MIM_DEC (parent);
GstBuffer *out_buf;
const guchar *header, *frame_body;
guint32 fourcc;
guint16 header_size;
gint width, height;
GstCaps *caps;
GstFlowReturn res = GST_FLOW_OK;
GstClockTime in_time = GST_BUFFER_TIMESTAMP (buf);
GstEvent *event = NULL;
gboolean result = TRUE;
guint32 payload_size;
guint32 current_ts;
GstMapInfo map;
gst_adapter_push (mimdec->adapter, buf);
/* do we have enough bytes to read a header */
while (gst_adapter_available (mimdec->adapter) >= 24) {
header = gst_adapter_map (mimdec->adapter, 24);
header_size = header[0];
if (header_size != 24) {
gst_adapter_unmap (mimdec->adapter);
gst_adapter_flush (mimdec->adapter, 24);
GST_ELEMENT_ERROR (mimdec, STREAM, DECODE, (NULL),
("invalid frame: header size %d incorrect", header_size));
return GST_FLOW_ERROR;
}
if (header[1] == 1) {
/* This is a a paused frame, skip it */
gst_adapter_unmap (mimdec->adapter);
gst_adapter_flush (mimdec->adapter, 24);
continue;
}
fourcc = GUINT32_FROM_LE (*((guint32 *) (header + 12)));
if (GST_MAKE_FOURCC ('M', 'L', '2', '0') != fourcc) {
gst_adapter_unmap (mimdec->adapter);
gst_adapter_flush (mimdec->adapter, 24);
GST_ELEMENT_ERROR (mimdec, STREAM, WRONG_TYPE, (NULL),
("invalid frame: unknown FOURCC code %X (%" GST_FOURCC_FORMAT ")",
fourcc, GST_FOURCC_ARGS (fourcc)));
return GST_FLOW_ERROR;
}
payload_size = GUINT32_FROM_LE (*((guint32 *) (header + 8)));
current_ts = GUINT32_FROM_LE (*((guint32 *) (header + 20)));
gst_adapter_unmap (mimdec->adapter);
GST_LOG_OBJECT (mimdec, "Got packet, payload size %d", payload_size);
if (gst_adapter_available (mimdec->adapter) < payload_size + 24)
return GST_FLOW_OK;
/* We have a whole packet and have read the header, lets flush it out */
gst_adapter_flush (mimdec->adapter, 24);
frame_body = gst_adapter_map (mimdec->adapter, payload_size);
if (mimdec->buffer_size < 0) {
/* Check if its a keyframe, otherwise skip it */
if (GUINT32_FROM_LE (*((guint32 *) (frame_body + 12))) != 0) {
gst_adapter_unmap (mimdec->adapter);
gst_adapter_flush (mimdec->adapter, payload_size);
return GST_FLOW_OK;
}
if (!mimic_decoder_init (mimdec->dec, frame_body)) {
gst_adapter_unmap (mimdec->adapter);
gst_adapter_flush (mimdec->adapter, payload_size);
GST_ELEMENT_ERROR (mimdec, LIBRARY, INIT, (NULL),
("mimic_decoder_init error"));
return GST_FLOW_ERROR;
}
if (!mimic_get_property (mimdec->dec, "buffer_size",
&mimdec->buffer_size)) {
gst_adapter_unmap (mimdec->adapter);
gst_adapter_flush (mimdec->adapter, payload_size);
GST_ELEMENT_ERROR (mimdec, LIBRARY, INIT, (NULL),
("mimic_get_property('buffer_size') error"));
return GST_FLOW_ERROR;
}
mimic_get_property (mimdec->dec, "width", &width);
mimic_get_property (mimdec->dec, "height", &height);
GST_DEBUG_OBJECT (mimdec,
"Initialised decoder with %d x %d payload size %d buffer_size %d",
width, height, payload_size, mimdec->buffer_size);
caps = gst_caps_new_simple ("video/x-raw",
"format", G_TYPE_STRING, "RGB",
"framerate", GST_TYPE_FRACTION, 0, 1,
"width", G_TYPE_INT, width, "height", G_TYPE_INT, height, NULL);
gst_pad_set_caps (mimdec->srcpad, caps);
gst_caps_unref (caps);
}
if (mimdec->need_segment) {
GstSegment segment;
gst_segment_init (&segment, GST_FORMAT_TIME);
if (GST_CLOCK_TIME_IS_VALID (in_time))
segment.start = in_time;
else
segment.start = current_ts * GST_MSECOND;
event = gst_event_new_segment (&segment);
}
mimdec->need_segment = FALSE;
if (event)
result = gst_pad_push_event (mimdec->srcpad, event);
event = NULL;
if (!result) {
GST_WARNING_OBJECT (mimdec, "gst_pad_push_event failed");
return GST_FLOW_ERROR;
}
out_buf = gst_buffer_new_allocate (NULL, mimdec->buffer_size, NULL);
gst_buffer_map (out_buf, &map, GST_MAP_READWRITE);
if (!mimic_decode_frame (mimdec->dec, frame_body, map.data)) {
GST_WARNING_OBJECT (mimdec, "mimic_decode_frame error\n");
gst_adapter_flush (mimdec->adapter, payload_size);
gst_buffer_unmap (out_buf, &map);
gst_buffer_unref (out_buf);
GST_ELEMENT_ERROR (mimdec, STREAM, DECODE, (NULL),
("mimic_decode_frame error"));
return GST_FLOW_ERROR;
}
gst_buffer_unmap (out_buf, &map);
gst_adapter_flush (mimdec->adapter, payload_size);
if (GST_CLOCK_TIME_IS_VALID (in_time))
GST_BUFFER_TIMESTAMP (out_buf) = in_time;
else
GST_BUFFER_TIMESTAMP (out_buf) = current_ts * GST_MSECOND;
res = gst_pad_push (mimdec->srcpad, out_buf);
if (res != GST_FLOW_OK)
break;
}
return res;
}
/* Must be called with the sdl lock held */
static gboolean
gst_sdlvideosink_create (GstSDLVideoSink * sdlvideosink)
{
if (GST_VIDEO_SINK_HEIGHT (sdlvideosink) <= 0)
GST_VIDEO_SINK_HEIGHT (sdlvideosink) = sdlvideosink->height;
if (GST_VIDEO_SINK_WIDTH (sdlvideosink) <= 0)
GST_VIDEO_SINK_WIDTH (sdlvideosink) = sdlvideosink->width;
gst_sdlvideosink_destroy (sdlvideosink);
if (sdlvideosink->is_xwindows && !sdlvideosink->xwindow_id) {
g_mutex_unlock (sdlvideosink->lock);
gst_x_overlay_prepare_xwindow_id (GST_X_OVERLAY (sdlvideosink));
g_mutex_lock (sdlvideosink->lock);
}
/* create a SDL window of the size requested by the user */
if (sdlvideosink->full_screen) {
sdlvideosink->screen =
SDL_SetVideoMode (GST_VIDEO_SINK_WIDTH (sdlvideosink),
GST_VIDEO_SINK_HEIGHT (sdlvideosink), 0,
SDL_SWSURFACE | SDL_FULLSCREEN);
} else {
sdlvideosink->screen =
SDL_SetVideoMode (GST_VIDEO_SINK_WIDTH (sdlvideosink),
GST_VIDEO_SINK_HEIGHT (sdlvideosink), 0, SDL_HWSURFACE | SDL_RESIZABLE);
}
if (sdlvideosink->screen == NULL)
goto no_screen;
/* create a new YUV overlay */
sdlvideosink->overlay = SDL_CreateYUVOverlay (sdlvideosink->width,
sdlvideosink->height, sdlvideosink->format, sdlvideosink->screen);
if (sdlvideosink->overlay == NULL)
goto no_overlay;
GST_DEBUG ("Using a %dx%d %dbpp SDL screen with a %dx%d \'%"
GST_FOURCC_FORMAT "\' YUV overlay", GST_VIDEO_SINK_WIDTH (sdlvideosink),
GST_VIDEO_SINK_HEIGHT (sdlvideosink),
sdlvideosink->screen->format->BitsPerPixel, sdlvideosink->width,
sdlvideosink->height, GST_FOURCC_ARGS (sdlvideosink->format));
sdlvideosink->rect.x = 0;
sdlvideosink->rect.y = 0;
sdlvideosink->rect.w = GST_VIDEO_SINK_WIDTH (sdlvideosink);
sdlvideosink->rect.h = GST_VIDEO_SINK_HEIGHT (sdlvideosink);
/*SDL_DisplayYUVOverlay (sdlvideosink->overlay, &(sdlvideosink->rect)); */
GST_DEBUG ("sdlvideosink: setting %08x (%" GST_FOURCC_FORMAT ")",
sdlvideosink->format, GST_FOURCC_ARGS (sdlvideosink->format));
return TRUE;
/* ERRORS */
no_screen:
{
GST_ELEMENT_ERROR (sdlvideosink, LIBRARY, TOO_LAZY, (NULL),
("SDL: Couldn't set %dx%d: %s", GST_VIDEO_SINK_WIDTH (sdlvideosink),
GST_VIDEO_SINK_HEIGHT (sdlvideosink), SDL_GetError ()));
return FALSE;
}
no_overlay:
{
GST_ELEMENT_ERROR (sdlvideosink, LIBRARY, TOO_LAZY, (NULL),
("SDL: Couldn't create SDL YUV overlay (%dx%d \'%" GST_FOURCC_FORMAT
"\'): %s", sdlvideosink->width, sdlvideosink->height,
GST_FOURCC_ARGS (sdlvideosink->format), SDL_GetError ()));
return FALSE;
}
}
static gboolean
gst_rtp_quicktime_parse_sd (GstRtpXQTDepay * rtpxqtdepay, guint8 * data,
guint data_len)
{
gint len;
guint32 fourcc;
if (data_len < 8)
goto too_short;
len = (data[0] << 24) | (data[1] << 16) | (data[2] << 8) | data[3];
if (len > data_len)
goto too_short;
fourcc = QT_FOURCC (data + 4);
GST_DEBUG_OBJECT (rtpxqtdepay, "parsing %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (fourcc));
switch (fourcc) {
case FOURCC_avc1:
{
guint32 chlen;
if (len < 0x56)
goto too_short;
len -= 0x56;
data += 0x56;
/* find avcC */
while (len >= 8) {
chlen = QT_UINT32 (data);
fourcc = QT_FOURCC (data + 4);
if (fourcc == FOURCC_avcC) {
GstBuffer *buf;
gint size;
GstCaps *caps;
GST_DEBUG_OBJECT (rtpxqtdepay, "found avcC codec_data in sd, %u",
chlen);
/* parse, if found */
if (chlen < len)
size = chlen - 8;
else
size = len - 8;
buf = gst_buffer_new_and_alloc (size);
gst_buffer_fill (buf, 0, data + 8, size);
caps = gst_caps_new_simple ("video/x-h264",
"codec_data", GST_TYPE_BUFFER, buf, NULL);
gst_buffer_unref (buf);
gst_pad_set_caps (GST_RTP_BASE_DEPAYLOAD (rtpxqtdepay)->srcpad, caps);
gst_caps_unref (caps);
break;
}
len -= chlen;
data += chlen;
}
break;
}
default:
break;
}
return TRUE;
/* ERRORS */
too_short:
{
return FALSE;
}
}
/**
* gst_riff_parse_info:
* @element: caller element (used for debugging/error).
* @buf: input data to be used for parsing, stripped from header.
* @taglist: a pointer to a taglist (returned by this function)
* containing information about this stream. May be
* NULL if no supported tags were found.
*
* Parses stream metadata from input data.
*/
void
gst_riff_parse_info (GstElement * element,
GstBuffer * buf, GstTagList ** _taglist)
{
guint8 *data;
guint size, tsize;
guint32 tag;
const gchar *type;
GstTagList *taglist;
g_return_if_fail (_taglist != NULL);
if (!buf) {
*_taglist = NULL;
return;
}
data = GST_BUFFER_DATA (buf);
size = GST_BUFFER_SIZE (buf);
taglist = gst_tag_list_new ();
while (size > 8) {
tag = GST_READ_UINT32_LE (data);
tsize = GST_READ_UINT32_LE (data + 4);
size -= 8;
data += 8;
GST_DEBUG ("tag %" GST_FOURCC_FORMAT ", size %u",
GST_FOURCC_ARGS (tag), tsize);
if (tsize > size) {
GST_WARNING_OBJECT (element,
"Tagsize %d is larger than available data %d", tsize, size);
tsize = size;
}
/* find out the type of metadata */
switch (tag) {
case GST_RIFF_INFO_IARL:
type = GST_TAG_LOCATION;
break;
case GST_RIFF_INFO_IART:
type = GST_TAG_ARTIST;
break;
case GST_RIFF_INFO_ICMS:
type = NULL; /*"Commissioner"; */
break;
case GST_RIFF_INFO_ICMT:
type = GST_TAG_COMMENT;
break;
case GST_RIFF_INFO_ICOP:
type = GST_TAG_COPYRIGHT;
break;
case GST_RIFF_INFO_ICRD:
type = GST_TAG_DATE;
break;
case GST_RIFF_INFO_ICRP:
type = NULL; /*"Cropped"; */
break;
case GST_RIFF_INFO_IDIM:
type = NULL; /*"Dimensions"; */
break;
case GST_RIFF_INFO_IDPI:
type = NULL; /*"Dots per Inch"; */
break;
case GST_RIFF_INFO_IENG:
type = NULL; /*"Engineer"; */
break;
case GST_RIFF_INFO_IGNR:
type = GST_TAG_GENRE;
break;
case GST_RIFF_INFO_IKEY:
type = GST_TAG_KEYWORDS;
break;
case GST_RIFF_INFO_ILGT:
type = NULL; /*"Lightness"; */
break;
case GST_RIFF_INFO_IMED:
type = NULL; /*"Medium"; */
break;
case GST_RIFF_INFO_INAM:
type = GST_TAG_TITLE;
break;
case GST_RIFF_INFO_IPLT:
type = NULL; /*"Palette"; */
break;
case GST_RIFF_INFO_IPRD:
type = NULL; /*"Product"; */
break;
case GST_RIFF_INFO_ISBJ:
type = NULL; /*"Subject"; */
break;
case GST_RIFF_INFO_ISFT:
type = GST_TAG_ENCODER;
break;
case GST_RIFF_INFO_ISHP:
type = NULL; /*"Sharpness"; */
break;
case GST_RIFF_INFO_ISRC:
type = GST_TAG_ISRC;
break;
case GST_RIFF_INFO_ISRF:
type = NULL; /*"Source Form"; */
break;
case GST_RIFF_INFO_ITCH:
type = NULL; /*"Technician"; */
break;
default:
type = NULL;
GST_WARNING_OBJECT (element,
"Unknown INFO (metadata) tag entry %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (tag));
break;
}
if (type != NULL && data[0] != '\0') {
static const gchar *env_vars[] = { "GST_AVI_TAG_ENCODING",
"GST_RIFF_TAG_ENCODING", "GST_TAG_ENCODING", NULL
};
gchar *val;
val = gst_tag_freeform_string_to_utf8 ((gchar *) data, tsize, env_vars);
if (val) {
gst_tag_list_add (taglist, GST_TAG_MERGE_APPEND, type, val, NULL);
g_free (val);
} else {
GST_WARNING_OBJECT (element, "could not extract %s tag", type);
}
}
if (tsize & 1) {
tsize++;
if (tsize > size)
tsize = size;
}
data += tsize;
size -= tsize;
}
if (!gst_tag_list_is_empty (taglist)) {
*_taglist = taglist;
} else {
*_taglist = NULL;
gst_tag_list_free (taglist);
}
return;
}
gboolean
gst_riff_parse_strf_vids (GstElement * element,
GstBuffer * buf, gst_riff_strf_vids ** _strf, GstBuffer ** data)
{
gst_riff_strf_vids *strf;
g_return_val_if_fail (buf != NULL, FALSE);
g_return_val_if_fail (_strf != NULL, FALSE);
g_return_val_if_fail (data != NULL, FALSE);
if (GST_BUFFER_SIZE (buf) < sizeof (gst_riff_strf_vids))
goto too_small;
strf = g_memdup (GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf));
#if (G_BYTE_ORDER == G_BIG_ENDIAN)
strf->size = GUINT32_FROM_LE (strf->size);
strf->width = GUINT32_FROM_LE (strf->width);
strf->height = GUINT32_FROM_LE (strf->height);
strf->planes = GUINT16_FROM_LE (strf->planes);
strf->bit_cnt = GUINT16_FROM_LE (strf->bit_cnt);
strf->compression = GUINT32_FROM_LE (strf->compression);
strf->image_size = GUINT32_FROM_LE (strf->image_size);
strf->xpels_meter = GUINT32_FROM_LE (strf->xpels_meter);
strf->ypels_meter = GUINT32_FROM_LE (strf->ypels_meter);
strf->num_colors = GUINT32_FROM_LE (strf->num_colors);
strf->imp_colors = GUINT32_FROM_LE (strf->imp_colors);
#endif
/* size checking */
*data = NULL;
if (strf->size > GST_BUFFER_SIZE (buf)) {
GST_WARNING_OBJECT (element,
"strf_vids header gave %d bytes data, only %d available",
strf->size, GST_BUFFER_SIZE (buf));
strf->size = GST_BUFFER_SIZE (buf);
}
if (sizeof (gst_riff_strf_vids) < GST_BUFFER_SIZE (buf)) {
*data = gst_buffer_create_sub (buf, sizeof (gst_riff_strf_vids),
GST_BUFFER_SIZE (buf) - sizeof (gst_riff_strf_vids));
}
/* debug */
GST_INFO_OBJECT (element, "strf tag found in context vids:");
GST_INFO_OBJECT (element, " size %d", strf->size);
GST_INFO_OBJECT (element, " width %d", strf->width);
GST_INFO_OBJECT (element, " height %d", strf->height);
GST_INFO_OBJECT (element, " planes %d", strf->planes);
GST_INFO_OBJECT (element, " bit_cnt %d", strf->bit_cnt);
GST_INFO_OBJECT (element, " compression %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (strf->compression));
GST_INFO_OBJECT (element, " image_size %d", strf->image_size);
GST_INFO_OBJECT (element, " xpels_meter %d", strf->xpels_meter);
GST_INFO_OBJECT (element, " ypels_meter %d", strf->ypels_meter);
GST_INFO_OBJECT (element, " num_colors %d", strf->num_colors);
GST_INFO_OBJECT (element, " imp_colors %d", strf->imp_colors);
if (*data)
GST_INFO_OBJECT (element, " %d bytes extradata", GST_BUFFER_SIZE (*data));
gst_buffer_unref (buf);
*_strf = strf;
return TRUE;
/* ERRORS */
too_small:
{
GST_ERROR_OBJECT (element,
"Too small strf_vids (%d available, %d needed)",
GST_BUFFER_SIZE (buf), (int) sizeof (gst_riff_strf_vids));
gst_buffer_unref (buf);
return FALSE;
}
}
gboolean
gst_riff_parse_strh (GstElement * element,
GstBuffer * buf, gst_riff_strh ** _strh)
{
gst_riff_strh *strh;
g_return_val_if_fail (buf != NULL, FALSE);
g_return_val_if_fail (_strh != NULL, FALSE);
if (GST_BUFFER_SIZE (buf) < sizeof (gst_riff_strh))
goto too_small;
strh = g_memdup (GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf));
gst_buffer_unref (buf);
#if (G_BYTE_ORDER == G_BIG_ENDIAN)
strh->type = GUINT32_FROM_LE (strh->type);
strh->fcc_handler = GUINT32_FROM_LE (strh->fcc_handler);
strh->flags = GUINT32_FROM_LE (strh->flags);
strh->priority = GUINT32_FROM_LE (strh->priority);
strh->init_frames = GUINT32_FROM_LE (strh->init_frames);
strh->scale = GUINT32_FROM_LE (strh->scale);
strh->rate = GUINT32_FROM_LE (strh->rate);
strh->start = GUINT32_FROM_LE (strh->start);
strh->length = GUINT32_FROM_LE (strh->length);
strh->bufsize = GUINT32_FROM_LE (strh->bufsize);
strh->quality = GUINT32_FROM_LE (strh->quality);
strh->samplesize = GUINT32_FROM_LE (strh->samplesize);
#endif
/* avoid divisions by zero */
if (!strh->scale)
strh->scale = 1;
if (!strh->rate)
strh->rate = 1;
/* debug */
GST_INFO_OBJECT (element, "strh tag found:");
GST_INFO_OBJECT (element, " type %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (strh->type));
GST_INFO_OBJECT (element, " fcc_handler %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (strh->fcc_handler));
GST_INFO_OBJECT (element, " flags 0x%08x", strh->flags);
GST_INFO_OBJECT (element, " priority %d", strh->priority);
GST_INFO_OBJECT (element, " init_frames %d", strh->init_frames);
GST_INFO_OBJECT (element, " scale %d", strh->scale);
GST_INFO_OBJECT (element, " rate %d", strh->rate);
GST_INFO_OBJECT (element, " start %d", strh->start);
GST_INFO_OBJECT (element, " length %d", strh->length);
GST_INFO_OBJECT (element, " bufsize %d", strh->bufsize);
GST_INFO_OBJECT (element, " quality %d", strh->quality);
GST_INFO_OBJECT (element, " samplesize %d", strh->samplesize);
*_strh = strh;
return TRUE;
/* ERRORS */
too_small:
{
GST_ERROR_OBJECT (element,
"Too small strh (%d available, %d needed)",
GST_BUFFER_SIZE (buf), (int) sizeof (gst_riff_strh));
gst_buffer_unref (buf);
return FALSE;
}
}
static GstFlowReturn
gst_aiff_parse_stream_headers (GstAiffParse * aiff)
{
GstFlowReturn res;
GstBuffer *buf;
guint32 tag, size;
gboolean gotdata = FALSE;
gboolean done = FALSE;
GstEvent **event_p;
GstFormat bformat;
gint64 upstream_size = 0;
bformat = GST_FORMAT_BYTES;
gst_pad_query_peer_duration (aiff->sinkpad, &bformat, &upstream_size);
GST_DEBUG_OBJECT (aiff, "upstream size %" G_GUINT64_FORMAT, upstream_size);
/* loop headers until we get data */
while (!done) {
if (aiff->streaming) {
if (!gst_aiff_parse_peek_chunk_info (aiff, &tag, &size))
return GST_FLOW_OK;
} else {
if ((res =
gst_pad_pull_range (aiff->sinkpad, aiff->offset, 8,
&buf)) != GST_FLOW_OK)
goto header_read_error;
tag = GST_READ_UINT32_LE (GST_BUFFER_DATA (buf));
size = GST_READ_UINT32_BE (GST_BUFFER_DATA (buf) + 4);
}
GST_INFO_OBJECT (aiff,
"Got TAG: %" GST_FOURCC_FORMAT ", offset %" G_GUINT64_FORMAT,
GST_FOURCC_ARGS (tag), aiff->offset);
/* We just keep reading chunks until we find the one we're interested in.
*/
switch (tag) {
case GST_MAKE_FOURCC ('C', 'O', 'M', 'M'):{
if (aiff->streaming) {
if (!gst_aiff_parse_peek_chunk (aiff, &tag, &size))
return GST_FLOW_OK;
gst_adapter_flush (aiff->adapter, 8);
aiff->offset += 8;
buf = gst_adapter_take_buffer (aiff->adapter, size);
} else {
if ((res = gst_aiff_parse_read_chunk (aiff,
&aiff->offset, &tag, &buf)) != GST_FLOW_OK)
return res;
}
if (!gst_aiff_parse_parse_comm (aiff, buf)) {
gst_buffer_unref (buf);
goto parse_header_error;
}
gst_buffer_unref (buf);
/* do sanity checks of header fields */
if (aiff->channels == 0)
goto no_channels;
if (aiff->rate == 0)
goto no_rate;
GST_DEBUG_OBJECT (aiff, "creating the caps");
aiff->caps = gst_aiff_parse_create_caps (aiff);
if (!aiff->caps)
goto unknown_format;
gst_pad_set_caps (aiff->srcpad, aiff->caps);
aiff->bytes_per_sample = aiff->channels * aiff->width / 8;
aiff->bps = aiff->bytes_per_sample * aiff->rate;
if (aiff->bytes_per_sample <= 0)
goto no_bytes_per_sample;
aiff->got_comm = TRUE;
break;
}
case GST_MAKE_FOURCC ('S', 'S', 'N', 'D'):{
GstFormat fmt;
GstBuffer *ssndbuf = NULL;
const guint8 *ssnddata = NULL;
guint32 datasize;
GST_DEBUG_OBJECT (aiff, "Got 'SSND' TAG, size : %d", size);
/* Now, read the 8-byte header in the SSND chunk */
if (aiff->streaming) {
if (!gst_aiff_parse_peek_data (aiff, 16, &ssnddata))
return GST_FLOW_OK;
} else {
gst_buffer_unref (buf);
if ((res =
gst_pad_pull_range (aiff->sinkpad, aiff->offset, 16,
&ssndbuf)) != GST_FLOW_OK)
goto header_read_error;
ssnddata = GST_BUFFER_DATA (ssndbuf);
}
aiff->ssnd_offset = GST_READ_UINT32_BE (ssnddata + 8);
aiff->ssnd_blocksize = GST_READ_UINT32_BE (ssnddata + 12);
gotdata = TRUE;
if (aiff->streaming) {
gst_adapter_flush (aiff->adapter, 16);
} else {
gst_buffer_unref (ssndbuf);
}
/* 8 byte chunk header, 16 byte SSND header */
aiff->offset += 24;
datasize = size - 16;
aiff->datastart = aiff->offset + aiff->ssnd_offset;
/* file might be truncated */
fmt = GST_FORMAT_BYTES;
if (upstream_size) {
size = MIN (datasize, (upstream_size - aiff->datastart));
}
aiff->datasize = (guint64) datasize;
aiff->dataleft = (guint64) datasize;
aiff->end_offset = datasize + aiff->datastart;
if (!aiff->streaming) {
/* We will continue looking at chunks until the end - to read tags,
* etc. */
aiff->offset += datasize;
}
GST_DEBUG_OBJECT (aiff, "datasize = %d", datasize);
if (aiff->streaming) {
done = TRUE;
}
break;
}
default:
gst_aiff_parse_ignore_chunk (aiff, buf, tag, size);
}
if (upstream_size && (aiff->offset >= upstream_size)) {
/* Now we have gone through the whole file */
done = TRUE;
}
}
/* We read all the chunks (in pull mode) or reached the SSND chunk
* (in push mode). We must have both COMM and SSND now; error out
* otherwise.
*/
if (!aiff->got_comm) {
GST_WARNING_OBJECT (aiff, "Failed to find COMM chunk");
goto no_header;
}
if (!gotdata) {
GST_WARNING_OBJECT (aiff, "Failed to find SSND chunk");
goto no_data;
}
GST_DEBUG_OBJECT (aiff, "Finished parsing headers");
if (gst_aiff_parse_calculate_duration (aiff)) {
gst_segment_init (&aiff->segment, GST_FORMAT_TIME);
gst_segment_set_duration (&aiff->segment, GST_FORMAT_TIME, aiff->duration);
} else {
/* no bitrate, let downstream peer do the math, we'll feed it bytes. */
gst_segment_init (&aiff->segment, GST_FORMAT_BYTES);
gst_segment_set_duration (&aiff->segment, GST_FORMAT_BYTES, aiff->datasize);
}
/* now we have all the info to perform a pending seek if any, if no
* event, this will still do the right thing and it will also send
* the right newsegment event downstream. */
gst_aiff_parse_perform_seek (aiff, aiff->seek_event);
/* remove pending event */
event_p = &aiff->seek_event;
gst_event_replace (event_p, NULL);
/* we just started, we are discont */
aiff->discont = TRUE;
aiff->state = AIFF_PARSE_DATA;
return GST_FLOW_OK;
/* ERROR */
no_header:
{
GST_ELEMENT_ERROR (aiff, STREAM, TYPE_NOT_FOUND, (NULL),
("Invalid AIFF header (no COMM found)"));
return GST_FLOW_ERROR;
}
no_data:
{
GST_ELEMENT_ERROR (aiff, STREAM, TYPE_NOT_FOUND, (NULL),
("Invalid AIFF: no SSND found"));
return GST_FLOW_ERROR;
}
parse_header_error:
{
GST_ELEMENT_ERROR (aiff, STREAM, DEMUX, (NULL),
("Couldn't parse audio header"));
return GST_FLOW_ERROR;
}
no_channels:
{
GST_ELEMENT_ERROR (aiff, STREAM, FAILED, (NULL),
("Stream claims to contain no channels - invalid data"));
return GST_FLOW_ERROR;
}
no_rate:
{
GST_ELEMENT_ERROR (aiff, STREAM, FAILED, (NULL),
("Stream with sample_rate == 0 - invalid data"));
return GST_FLOW_ERROR;
}
no_bytes_per_sample:
{
GST_ELEMENT_ERROR (aiff, STREAM, FAILED, (NULL),
("Could not caluclate bytes per sample - invalid data"));
return GST_FLOW_ERROR;
}
unknown_format:
{
GST_ELEMENT_ERROR (aiff, STREAM, TYPE_NOT_FOUND, (NULL),
("No caps found for format 0x%x, %d channels, %d Hz",
aiff->format, aiff->channels, aiff->rate));
return GST_FLOW_ERROR;
}
header_read_error:
{
GST_ELEMENT_ERROR (aiff, STREAM, DEMUX, (NULL),
("Couldn't read in header"));
return GST_FLOW_ERROR;
}
}
static GstFlowReturn
gst_png_parse_handle_frame (GstBaseParse * parse,
GstBaseParseFrame * frame, gint * skipsize)
{
GstPngParse *pngparse = GST_PNG_PARSE (parse);
GstMapInfo map;
GstByteReader reader;
GstFlowReturn ret = GST_FLOW_OK;
guint64 signature;
guint width = 0, height = 0;
gst_buffer_map (frame->buffer, &map, GST_MAP_READ);
gst_byte_reader_init (&reader, map.data, map.size);
if (!gst_byte_reader_peek_uint64_be (&reader, &signature))
goto beach;
if (signature != PNG_SIGNATURE) {
for (;;) {
guint offset;
offset = gst_byte_reader_masked_scan_uint32 (&reader, 0xffffffff,
0x89504E47, 0, gst_byte_reader_get_remaining (&reader));
if (offset == -1) {
*skipsize = gst_byte_reader_get_remaining (&reader) - 4;
goto beach;
}
gst_byte_reader_skip (&reader, offset);
if (!gst_byte_reader_peek_uint64_be (&reader, &signature))
goto beach;
if (signature == PNG_SIGNATURE) {
/* We're skipping, go out, we'll be back */
*skipsize = gst_byte_reader_get_pos (&reader);
goto beach;
}
gst_byte_reader_skip (&reader, 4);
}
}
gst_byte_reader_skip (&reader, 8);
for (;;) {
guint32 length;
guint32 code;
if (!gst_byte_reader_get_uint32_be (&reader, &length))
goto beach;
if (!gst_byte_reader_get_uint32_le (&reader, &code))
goto beach;
GST_TRACE_OBJECT (parse, "%" GST_FOURCC_FORMAT " chunk, %u bytes",
GST_FOURCC_ARGS (code), length);
if (code == GST_MAKE_FOURCC ('I', 'H', 'D', 'R')) {
if (!gst_byte_reader_get_uint32_be (&reader, &width))
goto beach;
if (!gst_byte_reader_get_uint32_be (&reader, &height))
goto beach;
length -= 8;
} else if (code == GST_MAKE_FOURCC ('I', 'D', 'A', 'T')) {
gst_base_parse_set_min_frame_size (parse,
gst_byte_reader_get_pos (&reader) + 4 + length + 12);
}
if (!gst_byte_reader_skip (&reader, length + 4))
goto beach;
if (code == GST_MAKE_FOURCC ('I', 'E', 'N', 'D')) {
/* the start code and at least 2 empty frames (IHDR and IEND) */
gst_base_parse_set_min_frame_size (parse, 8 + 12 + 12);
if (pngparse->width != width || pngparse->height != height) {
GstCaps *caps, *sink_caps;
pngparse->height = height;
pngparse->width = width;
caps = gst_caps_new_simple ("image/png",
"width", G_TYPE_INT, width, "height", G_TYPE_INT, height, NULL);
sink_caps =
gst_pad_get_current_caps (GST_BASE_PARSE_SINK_PAD (pngparse));
if (sink_caps) {
GstStructure *st;
gint fr_num, fr_denom;
st = gst_caps_get_structure (sink_caps, 0);
if (st
&& gst_structure_get_fraction (st, "framerate", &fr_num,
&fr_denom)) {
gst_caps_set_simple (caps,
"framerate", GST_TYPE_FRACTION, fr_num, fr_denom, NULL);
} else {
GST_WARNING_OBJECT (pngparse, "No framerate set");
}
gst_caps_unref (sink_caps);
}
if (!gst_pad_set_caps (GST_BASE_PARSE_SRC_PAD (parse), caps))
ret = GST_FLOW_NOT_NEGOTIATED;
gst_caps_unref (caps);
if (ret != GST_FLOW_OK)
goto beach;
}
gst_buffer_unmap (frame->buffer, &map);
return gst_base_parse_finish_frame (parse, frame,
gst_byte_reader_get_pos (&reader));
}
}
beach:
gst_buffer_unmap (frame->buffer, &map);
return ret;
}
static gboolean
colorspace_setup_converter (GstHermesColorspace * space, GstCaps * from_caps,
GstCaps * to_caps)
{
guint32 from_space, to_space;
GstStructure *from_struct;
GstStructure *to_struct;
g_return_val_if_fail (to_caps != NULL, FALSE);
g_return_val_if_fail (from_caps != NULL, FALSE);
from_struct = gst_caps_get_structure (from_caps, 0);
to_struct = gst_caps_get_structure (to_caps, 0);
from_space = GST_MAKE_FOURCC ('R', 'G', 'B', ' ');
gst_structure_get_fourcc (from_struct, "format", &from_space);
to_space = GST_MAKE_FOURCC ('R', 'G', 'B', ' ');
gst_structure_get_fourcc (to_struct, "format", &to_space);
GST_INFO ("set up converter for " GST_FOURCC_FORMAT
" (%08x) to " GST_FOURCC_FORMAT " (%08x)",
GST_FOURCC_ARGS (from_space), from_space,
GST_FOURCC_ARGS (to_space), to_space);
switch (from_space) {
case GST_MAKE_FOURCC ('R', 'G', 'B', ' '):
{
gint from_bpp;
gst_structure_get_int (from_struct, "bpp", &from_bpp);
switch (to_space) {
case GST_MAKE_FOURCC ('R', 'G', 'B', ' '):
#ifdef HAVE_HERMES
{
gint to_bpp;
gst_structure_get_int (to_struct, "bpp", &to_bpp);
gst_structure_get_int (from_struct, "red_mask", &space->source.r);
gst_structure_get_int (from_struct, "green_mask", &space->source.g);
gst_structure_get_int (from_struct, "blue_mask", &space->source.b);
space->source.a = 0;
space->srcbpp = space->source.bits = from_bpp;
space->source.indexed = 0;
space->source.has_colorkey = 0;
GST_INFO ("source red mask %08x", space->source.r);
GST_INFO ("source green mask %08x", space->source.g);
GST_INFO ("source blue mask %08x", space->source.b);
GST_INFO ("source bpp %08x", space->srcbpp);
gst_structure_get_int (to_struct, "red_mask", &space->dest.r);
gst_structure_get_int (to_struct, "green_mask", &space->dest.g);
gst_structure_get_int (to_struct, "blue_mask", &space->dest.b);
space->dest.a = 0;
space->destbpp = space->dest.bits = to_bpp;
space->dest.indexed = 0;
space->dest.has_colorkey = 0;
GST_INFO ("dest red mask %08x", space->dest.r);
GST_INFO ("dest green mask %08x", space->dest.g);
GST_INFO ("dest blue mask %08x", space->dest.b);
GST_INFO ("dest bpp %08x", space->destbpp);
if (!Hermes_ConverterRequest (space->h_handle, &space->source,
&space->dest)) {
g_warning ("Hermes: could not get converter\n");
return FALSE;
}
GST_INFO ("converter set up");
space->type = GST_HERMES_COLORSPACE_HERMES;
return TRUE;
}
#else
g_warning ("colorspace: compiled without hermes!");
return FALSE;
#endif
case GST_MAKE_FOURCC ('Y', 'V', '1', '2'):
if (from_bpp == 32) {
space->type = GST_HERMES_COLORSPACE_RGB32_YV12;
space->destbpp = 12;
return TRUE;
}
case GST_MAKE_FOURCC ('I', '4', '2', '0'):
if (from_bpp == 32) {
space->type = GST_HERMES_COLORSPACE_RGB32_I420;
space->destbpp = 12;
return TRUE;
}
case GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'):
GST_INFO ("colorspace: RGB to YUV with bpp %d not implemented!!",
from_bpp);
return FALSE;
}
break;
}
case GST_MAKE_FOURCC ('I', '4', '2', '0'):
switch (to_space) {
case GST_MAKE_FOURCC ('R', 'G', 'B', ' '):
GST_INFO ("colorspace: YUV to RGB");
gst_structure_get_int (to_struct, "bpp", &space->destbpp);
space->converter =
gst_hermes_colorspace_yuv2rgb_get_converter (from_caps, to_caps);
space->type = GST_HERMES_COLORSPACE_YUV_RGB;
return TRUE;
case GST_MAKE_FOURCC ('I', '4', '2', '0'):
space->type = GST_HERMES_COLORSPACE_NONE;
space->destbpp = 12;
return TRUE;
case GST_MAKE_FOURCC ('Y', 'V', '1', '2'):
space->type = GST_HERMES_COLORSPACE_420_SWAP;
space->destbpp = 12;
return TRUE;
}
break;
case GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'):
switch (to_space) {
case GST_MAKE_FOURCC ('I', '4', '2', '0'):
space->type = GST_HERMES_COLORSPACE_YUY2_I420;
space->destbpp = 12;
return TRUE;
case GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'):
space->type = GST_HERMES_COLORSPACE_NONE;
space->destbpp = 16;
return TRUE;
case GST_MAKE_FOURCC ('R', 'G', 'B', ' '):
GST_INFO ("colorspace: YUY2 to RGB not implemented!!");
return FALSE;
}
break;
case GST_MAKE_FOURCC ('Y', 'V', '1', '2'):
switch (to_space) {
case GST_MAKE_FOURCC ('R', 'G', 'B', ' '):
GST_INFO ("colorspace: YV12 to RGB");
gst_structure_get_int (to_struct, "bpp", &space->destbpp);
space->converter =
gst_hermes_colorspace_yuv2rgb_get_converter (from_caps, to_caps);
space->type = GST_HERMES_COLORSPACE_YUV_RGB;
return TRUE;
case GST_MAKE_FOURCC ('I', '4', '2', '0'):
space->type = GST_HERMES_COLORSPACE_420_SWAP;
space->destbpp = 12;
return TRUE;
case GST_MAKE_FOURCC ('Y', 'V', '1', '2'):
space->type = GST_HERMES_COLORSPACE_NONE;
space->destbpp = 12;
return TRUE;
}
break;
}
return FALSE;
}
