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ext/jpeg/: JPEG fractiony goodness.

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Original commit message from CVS:
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_setcaps),
(gst_jpeg_dec_chain), (gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
* ext/jpeg/gstjpegenc.c: (gst_jpegenc_setcaps):
* ext/jpeg/gstjpegenc.h:
* ext/jpeg/gstsmokeenc.c: (gst_smokeenc_setcaps),
(gst_smokeenc_resync):
* ext/jpeg/gstsmokeenc.h:
JPEG fractiony goodness.
This commit is contained in:
Michael Smith 2005-11-22 23:58:14 +00:00
parent a72e695a1e
commit 8667e55c83
7 changed files with 77 additions and 38 deletions
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12
ChangeLog
View file

@ -1,3 +1,15 @@
2005-11-23 Michael Smith <msmith@fluendo.com>
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_setcaps),
(gst_jpeg_dec_chain), (gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
* ext/jpeg/gstjpegenc.c: (gst_jpegenc_setcaps):
* ext/jpeg/gstjpegenc.h:
* ext/jpeg/gstsmokeenc.c: (gst_smokeenc_setcaps),
(gst_smokeenc_resync):
* ext/jpeg/gstsmokeenc.h:
JPEG fractiony goodness.
2005-11-22 Michael Smith <msmith@fluendo.com>
* gst/goom/filters.c:

46
ext/jpeg/gstjpegdec.c
View file

@ -54,7 +54,7 @@ GST_STATIC_PAD_TEMPLATE ("sink",
GST_STATIC_CAPS ("image/jpeg, "
"width = (int) [ " G_STRINGIFY (MIN_WIDTH) ", " G_STRINGIFY (MAX_WIDTH)
" ], " "height = (int) [ " G_STRINGIFY (MIN_HEIGHT) ", "
G_STRINGIFY (MAX_HEIGHT) " ], " "framerate = (double) [ 0, MAX ]")
G_STRINGIFY (MAX_HEIGHT) " ], " "framerate = (fraction) [ 0/1, MAX ]")
);
GST_DEBUG_CATEGORY (jpeg_dec_debug);
@ -588,15 +588,17 @@ gst_jpeg_dec_setcaps (GstPad * pad, GstCaps * caps)
{
GstStructure *s;
GstJpegDec *dec;
gdouble fps;
const GValue *framerate;
dec = GST_JPEG_DEC (GST_OBJECT_PARENT (pad));
s = gst_caps_get_structure (caps, 0);
if (gst_structure_get_double (s, "framerate", &fps)) {
dec->fps = fps;
if ((framerate = gst_structure_get_value (s, "framerate")) != NULL) {
dec->framerate_numerator = gst_value_get_fraction_numerator (framerate);
dec->framerate_denominator = gst_value_get_fraction_denominator (framerate);
dec->packetized = TRUE;
GST_DEBUG ("got framerate of %f fps => packetized mode", fps);
GST_DEBUG ("got framerate of %d/%d fps => packetized mode",
dec->framerate_numerator, dec->framerate_denominator);
}
/* do not extract width/height here. we do that in the chain
@ -783,15 +785,22 @@ gst_jpeg_dec_chain (GstPad * pad, GstBuffer * buf)
goto wrong_size;
if (width != dec->caps_width || height != dec->caps_height ||
dec->fps != dec->caps_fps) {
dec->framerate_numerator != dec->caps_framerate_numerator ||
dec->framerate_denominator != dec->caps_framerate_denominator) {
GstCaps *caps;
/* framerate == 0.0 is a still frame */
/* framerate == 0/1 is a still frame */
if (dec->framerate_denominator == 0) {
dec->framerate_numerator = 0;
dec->framerate_denominator = 1;
}
caps = gst_caps_new_simple ("video/x-raw-yuv",
"format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('I', '4', '2', '0'),
"width", G_TYPE_INT, width,
"height", G_TYPE_INT, height,
"framerate", G_TYPE_DOUBLE, (double) dec->fps, NULL);
"framerate", GST_TYPE_FRACTION, dec->framerate_numerator,
dec->framerate_denominator, NULL);
GST_DEBUG_OBJECT (dec, "setting caps %" GST_PTR_FORMAT, caps);
GST_DEBUG_OBJECT (dec, "max_v_samp_factor=%d",
@ -802,7 +811,8 @@ gst_jpeg_dec_chain (GstPad * pad, GstBuffer * buf)
dec->caps_width = width;
dec->caps_height = height;
dec->caps_fps = dec->fps;
dec->caps_framerate_numerator = dec->framerate_numerator;
dec->caps_framerate_denominator = dec->framerate_denominator;
}
ret = gst_pad_alloc_buffer (dec->srcpad, GST_BUFFER_OFFSET_NONE,
@ -813,9 +823,15 @@ gst_jpeg_dec_chain (GstPad * pad, GstBuffer * buf)
outdata = GST_BUFFER_DATA (outbuf);
GST_BUFFER_TIMESTAMP (outbuf) = dec->next_ts;
if (dec->packetized) {
duration = GST_SECOND / dec->fps;
dec->next_ts += duration;
if (dec->packetized && dec->framerate_numerator != 0) {
GstClockTime next_ts;
dec->frames_decoded++;
next_ts = dec->frames_decoded * GST_SECOND *
dec->framerate_denominator / dec->framerate_numerator;
duration = next_ts - dec->next_ts;
dec->next_ts = next_ts;
} else {
duration = GST_CLOCK_TIME_NONE;
dec->next_ts = GST_CLOCK_TIME_NONE;
@ -922,8 +938,10 @@ gst_jpeg_dec_change_state (GstElement * element, GstStateChange transition)
switch (transition) {
case GST_STATE_CHANGE_READY_TO_PAUSED:
dec->fps = 0.0;
dec->caps_fps = 0.0;
dec->framerate_numerator = 0;
dec->framerate_denominator = 1;
dec->caps_framerate_numerator = dec->caps_framerate_denominator = 0;
dec->frames_decoded = 0;
dec->caps_width = -1;
dec->caps_height = -1;
dec->packetized = FALSE;

7
ext/jpeg/gstjpegdec.h
View file

@ -76,10 +76,13 @@ struct _GstJpegDec {
guint64 next_ts;
/* video state */
gdouble fps;
gint framerate_numerator;
gint framerate_denominator;
gint frames_decoded;
/* negotiated state */
gdouble caps_fps;
gint caps_framerate_numerator;
gint caps_framerate_denominator;
gint caps_width;
gint caps_height;

21
ext/jpeg/gstjpegenc.c
View file

@ -131,7 +131,7 @@ GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("image/jpeg, "
"width = (int) [ 16, 4096 ], "
"height = (int) [ 16, 4096 ], " "framerate = (double) [ 1, MAX ]")
"height = (int) [ 16, 4096 ], " "framerate = (fraction) [ 0/1, MAX ]")
);
static void
@ -295,19 +295,28 @@ gst_jpegenc_setcaps (GstPad * pad, GstCaps * caps)
GstCaps *othercaps;
GstPad *otherpad;
gboolean ret;
const GValue *framerate;
otherpad = (pad == jpegenc->srcpad) ? jpegenc->sinkpad : jpegenc->srcpad;
structure = gst_caps_get_structure (caps, 0);
gst_structure_get_double (structure, "framerate", &jpegenc->fps);
framerate = gst_structure_get_value (structure, "framerate");
gst_structure_get_int (structure, "width", &jpegenc->width);
gst_structure_get_int (structure, "height", &jpegenc->height);
othercaps = gst_caps_copy (gst_pad_get_pad_template_caps (otherpad));
gst_caps_set_simple (othercaps,
"width", G_TYPE_INT, jpegenc->width,
"height", G_TYPE_INT, jpegenc->height,
"framerate", G_TYPE_DOUBLE, jpegenc->fps, NULL);
if (framerate) {
gst_caps_set_simple (othercaps,
"width", G_TYPE_INT, jpegenc->width,
"height", G_TYPE_INT, jpegenc->height,
"framerate", GST_TYPE_FRACTION,
gst_value_get_fraction_numerator (framerate),
gst_value_get_fraction_denominator (framerate), NULL);
} else {
gst_caps_set_simple (othercaps,
"width", G_TYPE_INT, jpegenc->width,
"height", G_TYPE_INT, jpegenc->height, NULL);
}
ret = gst_pad_set_caps (jpegenc->srcpad, othercaps);
gst_caps_unref (othercaps);

1
ext/jpeg/gstjpegenc.h
View file

@ -58,7 +58,6 @@ struct _GstJpegEnc {
gint format;
gint width;
gint height;
gdouble fps;
/* the video buffer */
gint bufsize;
GstBuffer *buffer;

27
ext/jpeg/gstsmokeenc.c
View file

@ -116,7 +116,7 @@ GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-smoke, "
"width = (int) [ 16, 4096 ], "
"height = (int) [ 16, 4096 ], " "framerate = (double) [ 1, MAX ]")
"height = (int) [ 16, 4096 ], " "framerate = (fraction) [ 0/1, MAX ]")
);
static void
@ -239,11 +239,20 @@ gst_smokeenc_setcaps (GstPad * pad, GstCaps * caps)
gboolean ret = TRUE;
GstCaps *othercaps;
GstPad *otherpad;
const GValue *framerate;
otherpad = (pad == smokeenc->srcpad) ? smokeenc->sinkpad : smokeenc->srcpad;
structure = gst_caps_get_structure (caps, 0);
gst_structure_get_double (structure, "framerate", &smokeenc->fps);
framerate = gst_structure_get_value (structure, "framerate");
if (framerate) {
smokeenc->fps_num = gst_value_get_fraction_numerator (framerate);
smokeenc->fps_denom = gst_value_get_fraction_denominator (framerate);
} else {
smokeenc->fps_num = 0;
smokeenc->fps_denom = 1;
}
gst_structure_get_int (structure, "width", &smokeenc->width);
gst_structure_get_int (structure, "height", &smokeenc->height);
@ -251,7 +260,8 @@ gst_smokeenc_setcaps (GstPad * pad, GstCaps * caps)
gst_caps_set_simple (othercaps,
"width", G_TYPE_INT, smokeenc->width,
"height", G_TYPE_INT, smokeenc->height,
"framerate", G_TYPE_DOUBLE, smokeenc->fps, NULL);
"framerate", GST_TYPE_FRACTION, smokeenc->fps_num, smokeenc->fps_denom,
NULL);
ret = gst_pad_set_caps (smokeenc->srcpad, othercaps);
gst_caps_unref (othercaps);
@ -266,19 +276,8 @@ gst_smokeenc_setcaps (GstPad * pad, GstCaps * caps)
static void
gst_smokeenc_resync (GstSmokeEnc * smokeenc)
{
GValue fps = { 0 };
GValue framerate = { 0 };
GST_DEBUG ("gst_smokeenc_resync: resync");
g_value_init (&fps, G_TYPE_DOUBLE);
g_value_init (&framerate, GST_TYPE_FRACTION);
g_value_set_double (&fps, smokeenc->fps);
g_value_transform (&fps, &framerate);
smokeenc->fps_num = gst_value_get_fraction_numerator (&framerate);
smokeenc->fps_denom = gst_value_get_fraction_denominator (&framerate);
smokecodec_encode_new (&smokeenc->info, smokeenc->width, smokeenc->height,
smokeenc->fps_num, smokeenc->fps_denom);
smokecodec_set_quality (smokeenc->info, smokeenc->min_quality,

1
ext/jpeg/gstsmokeenc.h
View file

@ -56,7 +56,6 @@ struct _GstSmokeEnc {
gint height;
gint frame;
gint keyframe;
gdouble fps;
gint fps_num, fps_denom;
SmokeCodecInfo *info;