Commit 40d56715 authored by Wim Taymans's avatar Wim Taymans
Browse files

Merge branch 'master' into 0.11

parents 9c54ca52 4db89c82
...@@ -683,24 +683,18 @@ gst_ogg_mux_compare_pads (GstOggMux * ogg_mux, GstOggPadData * first, ...@@ -683,24 +683,18 @@ gst_ogg_mux_compare_pads (GstOggMux * ogg_mux, GstOggPadData * first,
/* if the first pad doesn't contain anything or is even NULL, return /* if the first pad doesn't contain anything or is even NULL, return
* the second pad as best candidate and vice versa */ * the second pad as best candidate and vice versa */
if (first == NULL || (first->buffer == NULL && first->next_buffer == NULL)) if (first == NULL)
return 1; return 1;
if (second == NULL || (second->buffer == NULL && second->next_buffer == NULL)) if (second == NULL)
return -1; return -1;
/* no timestamp on first buffer, it must go first */ /* no timestamp on first buffer, it must go first */
if (first->buffer) firsttime = GST_BUFFER_TIMESTAMP (first->buffer);
firsttime = GST_BUFFER_TIMESTAMP (first->buffer);
else
firsttime = GST_BUFFER_TIMESTAMP (first->next_buffer);
if (firsttime == GST_CLOCK_TIME_NONE) if (firsttime == GST_CLOCK_TIME_NONE)
return -1; return -1;
/* no timestamp on second buffer, it must go first */ /* no timestamp on second buffer, it must go first */
if (second->buffer) secondtime = GST_BUFFER_TIMESTAMP (second->buffer);
secondtime = GST_BUFFER_TIMESTAMP (second->buffer);
else
secondtime = GST_BUFFER_TIMESTAMP (second->next_buffer);
if (secondtime == GST_CLOCK_TIME_NONE) if (secondtime == GST_CLOCK_TIME_NONE)
return 1; return 1;
...@@ -844,14 +838,16 @@ no_granule: ...@@ -844,14 +838,16 @@ no_granule:
* *
* returns a pointer to an oggpad that holds the best buffer, or * returns a pointer to an oggpad that holds the best buffer, or
* NULL when no pad was usable. "best" means the buffer marked * NULL when no pad was usable. "best" means the buffer marked
* with the lowest timestamp. If best->buffer == NULL then nothing * with the lowest timestamp. If best->buffer == NULL then either
* should be done until more data arrives */ * we're at EOS (popped = FALSE), or a buffer got dropped, so retry. */
static GstOggPadData * static GstOggPadData *
gst_ogg_mux_queue_pads (GstOggMux * ogg_mux) gst_ogg_mux_queue_pads (GstOggMux * ogg_mux, gboolean * popped)
{ {
GstOggPadData *bestpad = NULL, *still_hungry = NULL; GstOggPadData *bestpad = NULL;
GSList *walk; GSList *walk;
*popped = FALSE;
/* try to make sure we have a buffer from each usable pad first */ /* try to make sure we have a buffer from each usable pad first */
walk = ogg_mux->collect->data; walk = ogg_mux->collect->data;
while (walk) { while (walk) {
...@@ -869,19 +865,13 @@ gst_ogg_mux_queue_pads (GstOggMux * ogg_mux) ...@@ -869,19 +865,13 @@ gst_ogg_mux_queue_pads (GstOggMux * ogg_mux)
if (pad->buffer == NULL) { if (pad->buffer == NULL) {
GstBuffer *buf; GstBuffer *buf;
/* shift the buffer along if needed (it's okay if next_buffer is NULL) */
if (pad->buffer == NULL) {
GST_LOG_OBJECT (data->pad, "shifting buffer %" GST_PTR_FORMAT,
pad->next_buffer);
pad->buffer = pad->next_buffer;
pad->next_buffer = NULL;
}
buf = gst_collect_pads_pop (ogg_mux->collect, data); buf = gst_collect_pads_pop (ogg_mux->collect, data);
GST_LOG_OBJECT (data->pad, "popped buffer %" GST_PTR_FORMAT, buf); GST_LOG_OBJECT (data->pad, "popped buffer %" GST_PTR_FORMAT, buf);
/* On EOS we get a NULL buffer */ /* On EOS we get a NULL buffer */
if (buf != NULL) { if (buf != NULL) {
*popped = TRUE;
if (ogg_mux->delta_pad == NULL && if (ogg_mux->delta_pad == NULL &&
GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_DELTA_UNIT)) GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_DELTA_UNIT))
ogg_mux->delta_pad = pad; ogg_mux->delta_pad = pad;
...@@ -961,52 +951,24 @@ gst_ogg_mux_queue_pads (GstOggMux * ogg_mux) ...@@ -961,52 +951,24 @@ gst_ogg_mux_queue_pads (GstOggMux * ogg_mux)
if (G_UNLIKELY (!buf)) if (G_UNLIKELY (!buf))
GST_DEBUG_OBJECT (data->pad, "buffer clipped"); GST_DEBUG_OBJECT (data->pad, "buffer clipped");
} }
} else {
GST_DEBUG_OBJECT (data->pad, "EOS on pad");
if (!pad->eos) {
ogg_page page;
/* it's no longer active */
ogg_mux->active_pads--;
/* Just gone to EOS. Flush existing page(s) */
pad->eos = TRUE;
while (ogg_stream_flush (&pad->map.stream, &page)) {
/* Place page into the per-pad queue */
gst_ogg_mux_pad_queue_page (ogg_mux, pad, &page, pad->first_delta);
/* increment the page number counter */
pad->pageno++;
/* mark other pages as delta */
pad->first_delta = TRUE;
}
}
} }
pad->next_buffer = buf; pad->buffer = buf;
} }
/* we should have a buffer now, see if it is the best pad to /* we should have a buffer now, see if it is the best pad to
* pull on */ * pull on */
if (pad->buffer || pad->next_buffer) { if (pad->buffer) {
if (gst_ogg_mux_compare_pads (ogg_mux, bestpad, pad) > 0) { if (gst_ogg_mux_compare_pads (ogg_mux, bestpad, pad) > 0) {
GST_LOG_OBJECT (data->pad, GST_LOG_OBJECT (data->pad,
"new best pad, with buffers %" GST_PTR_FORMAT "new best pad, with buffer %" GST_PTR_FORMAT, pad->buffer);
" and %" GST_PTR_FORMAT, pad->buffer, pad->next_buffer);
bestpad = pad; bestpad = pad;
} }
} else if (!pad->eos) {
GST_LOG_OBJECT (data->pad, "hungry pad");
still_hungry = pad;
} }
} }
if (still_hungry) return bestpad;
/* drop back into collectpads... */
return still_hungry;
else
return bestpad;
} }
static GList * static GList *
...@@ -1057,8 +1019,7 @@ gst_ogg_mux_get_headers (GstOggPadData * pad) ...@@ -1057,8 +1019,7 @@ gst_ogg_mux_get_headers (GstOggPadData * pad)
pad->always_flush_page = TRUE; pad->always_flush_page = TRUE;
} else if (gst_structure_has_name (structure, "video/x-dirac")) { } else if (gst_structure_has_name (structure, "video/x-dirac")) {
res = g_list_append (res, pad->buffer); res = g_list_append (res, pad->buffer);
pad->buffer = pad->next_buffer; pad->buffer = NULL;
pad->next_buffer = NULL;
pad->always_flush_page = TRUE; pad->always_flush_page = TRUE;
} else { } else {
GST_LOG_OBJECT (thepad, "caps don't have streamheader"); GST_LOG_OBJECT (thepad, "caps don't have streamheader");
...@@ -1143,7 +1104,7 @@ gst_ogg_mux_send_headers (GstOggMux * mux) ...@@ -1143,7 +1104,7 @@ gst_ogg_mux_send_headers (GstOggMux * mux)
GST_LOG_OBJECT (mux, "looking at pad %s:%s", GST_DEBUG_PAD_NAME (thepad)); GST_LOG_OBJECT (mux, "looking at pad %s:%s", GST_DEBUG_PAD_NAME (thepad));
/* if the pad has no buffer, we don't care */ /* if the pad has no buffer, we don't care */
if (pad->buffer == NULL && pad->next_buffer == NULL) if (pad->buffer == NULL)
continue; continue;
/* now figure out the headers */ /* now figure out the headers */
...@@ -1180,9 +1141,6 @@ gst_ogg_mux_send_headers (GstOggMux * mux) ...@@ -1180,9 +1141,6 @@ gst_ogg_mux_send_headers (GstOggMux * mux)
} else if (pad->buffer) { } else if (pad->buffer) {
buf = pad->buffer; buf = pad->buffer;
gst_buffer_ref (buf); gst_buffer_ref (buf);
} else if (pad->next_buffer) {
buf = pad->next_buffer;
gst_buffer_ref (buf);
} else { } else {
/* fixme -- should be caught in the previous list traversal. */ /* fixme -- should be caught in the previous list traversal. */
GST_OBJECT_LOCK (thepad); GST_OBJECT_LOCK (thepad);
...@@ -1357,16 +1315,18 @@ gst_ogg_mux_process_best_pad (GstOggMux * ogg_mux, GstOggPadData * best) ...@@ -1357,16 +1315,18 @@ gst_ogg_mux_process_best_pad (GstOggMux * ogg_mux, GstOggPadData * best)
gboolean delta_unit; gboolean delta_unit;
gint64 granulepos = 0; gint64 granulepos = 0;
GstClockTime timestamp, gp_time; GstClockTime timestamp, gp_time;
GstBuffer *next_buf;
GST_LOG_OBJECT (ogg_mux, "best pad %" GST_PTR_FORMAT GST_LOG_OBJECT (ogg_mux, "best pad %" GST_PTR_FORMAT
", currently pulling from %" GST_PTR_FORMAT, best->collect.pad, ", currently pulling from %" GST_PTR_FORMAT, best->collect.pad,
ogg_mux->pulling); ogg_mux->pulling);
/* best->buffer is non-NULL, either the pad is EOS's or there is a next next_buf = gst_collect_pads_peek (ogg_mux->collect, &best->collect);
* buffer */ if (next_buf) {
if (best->next_buffer == NULL && !best->eos) { best->eos = FALSE;
GST_WARNING_OBJECT (ogg_mux, "no subsequent buffer and EOS not reached"); gst_buffer_unref (next_buf);
return GST_FLOW_WRONG_STATE; } else {
best->eos = TRUE;
} }
/* if we were already pulling from one pad, but the new "best" buffer is /* if we were already pulling from one pad, but the new "best" buffer is
...@@ -1472,7 +1432,7 @@ gst_ogg_mux_process_best_pad (GstOggMux * ogg_mux, GstOggPadData * best) ...@@ -1472,7 +1432,7 @@ gst_ogg_mux_process_best_pad (GstOggMux * ogg_mux, GstOggPadData * best)
GST_GP_CAST (packet.granulepos), (gint64) packet.packetno, GST_GP_CAST (packet.granulepos), (gint64) packet.packetno,
packet.bytes); packet.bytes);
packet.e_o_s = (pad->eos ? 1 : 0); packet.e_o_s = best->eos ? 1 : 0;
tmpbuf = NULL; tmpbuf = NULL;
/* we flush when we see a new keyframe */ /* we flush when we see a new keyframe */
...@@ -1655,23 +1615,20 @@ static gboolean ...@@ -1655,23 +1615,20 @@ static gboolean
all_pads_eos (GstCollectPads * pads) all_pads_eos (GstCollectPads * pads)
{ {
GSList *walk; GSList *walk;
gboolean alleos = TRUE;
walk = pads->data; walk = pads->data;
while (walk) { while (walk) {
GstBuffer *buf; GstOggPadData *oggpad = (GstOggPadData *) walk->data;
GstCollectData *data = (GstCollectData *) walk->data;
buf = gst_collect_pads_peek (pads, data); GST_DEBUG ("oggpad %p eos %d", oggpad, oggpad->eos);
if (buf) {
alleos = FALSE; if (oggpad->eos == FALSE)
gst_buffer_unref (buf); return FALSE;
goto beach;
} walk = g_slist_next (walk);
walk = walk->next;
} }
beach:
return alleos; return TRUE;
} }
/* This function is called when there is data on all pads. /* This function is called when there is data on all pads.
...@@ -1689,45 +1646,26 @@ gst_ogg_mux_collected (GstCollectPads * pads, GstOggMux * ogg_mux) ...@@ -1689,45 +1646,26 @@ gst_ogg_mux_collected (GstCollectPads * pads, GstOggMux * ogg_mux)
{ {
GstOggPadData *best; GstOggPadData *best;
GstFlowReturn ret; GstFlowReturn ret;
gint activebefore; gboolean popped;
GST_LOG_OBJECT (ogg_mux, "collected"); GST_LOG_OBJECT (ogg_mux, "collected");
activebefore = ogg_mux->active_pads;
/* queue buffers on all pads; find a buffer with the lowest timestamp */ /* queue buffers on all pads; find a buffer with the lowest timestamp */
best = gst_ogg_mux_queue_pads (ogg_mux); best = gst_ogg_mux_queue_pads (ogg_mux, &popped);
if (best && !best->buffer) {
GST_DEBUG_OBJECT (ogg_mux, "No buffer available on best pad"); if (popped)
return GST_FLOW_OK; return GST_FLOW_OK;
}
if (!best) { if (best == NULL || best->buffer == NULL) {
return GST_FLOW_WRONG_STATE; /* This is not supposed to happen */
return GST_FLOW_ERROR;
} }
ret = gst_ogg_mux_process_best_pad (ogg_mux, best); ret = gst_ogg_mux_process_best_pad (ogg_mux, best);
if (ogg_mux->active_pads < activebefore) { if (best->eos && all_pads_eos (pads)) {
/* If the active pad count went down, this mean at least one pad has gone gst_pad_push_event (ogg_mux->srcpad, gst_event_new_eos ());
* EOS. Since CollectPads only calls _collected() once when all pads are return GST_FLOW_UNEXPECTED;
* EOS, and our code doesn't _pop() from all pads we need to check that by
* peeking on all pads, else we won't be called again and the muxing will
* not terminate (push out EOS). */
/* if all the pads have been removed, flush all pending data */
if ((ret == GST_FLOW_OK) && all_pads_eos (pads)) {
GST_LOG_OBJECT (ogg_mux, "no pads remaining, flushing data");
do {
best = gst_ogg_mux_queue_pads (ogg_mux);
if (best)
ret = gst_ogg_mux_process_best_pad (ogg_mux, best);
} while ((ret == GST_FLOW_OK) && (best != NULL));
GST_DEBUG_OBJECT (ogg_mux, "Pushing EOS");
gst_pad_push_event (ogg_mux->srcpad, gst_event_new_eos ());
}
} }
return ret; return ret;
...@@ -1831,10 +1769,6 @@ gst_ogg_mux_clear_collectpads (GstCollectPads * collect) ...@@ -1831,10 +1769,6 @@ gst_ogg_mux_clear_collectpads (GstCollectPads * collect)
gst_buffer_unref (oggpad->buffer); gst_buffer_unref (oggpad->buffer);
oggpad->buffer = NULL; oggpad->buffer = NULL;
} }
if (oggpad->next_buffer) {
gst_buffer_unref (oggpad->next_buffer);
oggpad->next_buffer = NULL;
}
gst_segment_init (&oggpad->segment, GST_FORMAT_TIME); gst_segment_init (&oggpad->segment, GST_FORMAT_TIME);
} }
......
...@@ -55,10 +55,7 @@ typedef struct ...@@ -55,10 +55,7 @@ typedef struct
GstSegment segment; GstSegment segment;
/* These two buffers make a very simple queue - they enter as 'next_buffer'
* and (usually) leave as 'buffer', except at EOS, when buffer will be NULL */
GstBuffer *buffer; /* the first waiting buffer for the pad */ GstBuffer *buffer; /* the first waiting buffer for the pad */
GstBuffer *next_buffer; /* the second waiting buffer for the pad */
gint64 packetno; /* number of next packet */ gint64 packetno; /* number of next packet */
gint64 pageno; /* number of next page */ gint64 pageno; /* number of next page */
......
...@@ -97,10 +97,6 @@ speex_free (void *ptr) ...@@ -97,10 +97,6 @@ speex_free (void *ptr)
#include <math.h> #include <math.h>
#ifndef M_PI
#define M_PI 3.14159263
#endif
#ifdef FIXED_POINT #ifdef FIXED_POINT
#define WORD2INT(x) ((x) < -32767 ? -32768 : ((x) > 32766 ? 32767 : (x))) #define WORD2INT(x) ((x) < -32767 ? -32768 : ((x) > 32766 ? 32767 : (x)))
#else #else
...@@ -323,7 +319,7 @@ sinc (float cutoff, float x, int N, struct FuncDef *window_func) ...@@ -323,7 +319,7 @@ sinc (float cutoff, float x, int N, struct FuncDef *window_func)
else if (fabs (x) > .5f * N) else if (fabs (x) > .5f * N)
return 0; return 0;
/*FIXME: Can it really be any slower than this? */ /*FIXME: Can it really be any slower than this? */
return WORD2INT (32768. * cutoff * sin (M_PI * xx) / (M_PI * xx) * return WORD2INT (32768. * cutoff * sin (G_PI * xx) / (G_PI * xx) *
compute_func (fabs (2. * x / N), window_func)); compute_func (fabs (2. * x / N), window_func));
} }
#else #else
...@@ -346,7 +342,7 @@ sinc (float cutoff, float x, int N, struct FuncDef *window_func) ...@@ -346,7 +342,7 @@ sinc (float cutoff, float x, int N, struct FuncDef *window_func)
else if (fabs (x) > .5 * N) else if (fabs (x) > .5 * N)
return 0; return 0;
/*FIXME: Can it really be any slower than this? */ /*FIXME: Can it really be any slower than this? */
return cutoff * sin (M_PI * xx) / (M_PI * xx) * compute_func (fabs (2. * x / return cutoff * sin (G_PI * xx) / (G_PI * xx) * compute_func (fabs (2. * x /
N), window_func); N), window_func);
} }
#endif #endif
......
...@@ -48,15 +48,7 @@ ...@@ -48,15 +48,7 @@
#include "gstaudiotestsrc.h" #include "gstaudiotestsrc.h"
#ifndef M_PI #define M_PI_M2 ( G_PI + G_PI )
#define M_PI 3.14159265358979323846
#endif
#ifndef M_PI_2
#define M_PI_2 1.57079632679489661923
#endif
#define M_PI_M2 ( M_PI + M_PI )
GST_DEBUG_CATEGORY_STATIC (audio_test_src_debug); GST_DEBUG_CATEGORY_STATIC (audio_test_src_debug);
#define GST_CAT_DEFAULT audio_test_src_debug #define GST_CAT_DEFAULT audio_test_src_debug
...@@ -478,7 +470,7 @@ gst_audio_test_src_create_square_##type (GstAudioTestSrc * src, g##type * sample ...@@ -478,7 +470,7 @@ gst_audio_test_src_create_square_##type (GstAudioTestSrc * src, g##type * sample
src->accumulator -= M_PI_M2; \ src->accumulator -= M_PI_M2; \
\ \
for (c = 0; c < src->channels; ++c) { \ for (c = 0; c < src->channels; ++c) { \
samples[i++] = (g##type) ((src->accumulator < M_PI) ? amp : -amp); \ samples[i++] = (g##type) ((src->accumulator < G_PI) ? amp : -amp); \
} \ } \
} \ } \
} }
...@@ -503,7 +495,7 @@ gst_audio_test_src_create_saw_##type (GstAudioTestSrc * src, g##type * samples) ...@@ -503,7 +495,7 @@ gst_audio_test_src_create_saw_##type (GstAudioTestSrc * src, g##type * samples)
gdouble step, amp; \ gdouble step, amp; \
\ \
step = M_PI_M2 * src->freq / src->samplerate; \ step = M_PI_M2 * src->freq / src->samplerate; \
amp = (src->volume * scale) / M_PI; \ amp = (src->volume * scale) / G_PI; \
\ \
i = 0; \ i = 0; \
while (i < (src->generate_samples_per_buffer * src->channels)) { \ while (i < (src->generate_samples_per_buffer * src->channels)) { \
...@@ -511,7 +503,7 @@ gst_audio_test_src_create_saw_##type (GstAudioTestSrc * src, g##type * samples) ...@@ -511,7 +503,7 @@ gst_audio_test_src_create_saw_##type (GstAudioTestSrc * src, g##type * samples)
if (src->accumulator >= M_PI_M2) \ if (src->accumulator >= M_PI_M2) \
src->accumulator -= M_PI_M2; \ src->accumulator -= M_PI_M2; \
\ \
if (src->accumulator < M_PI) { \ if (src->accumulator < G_PI) { \
for (c = 0; c < src->channels; ++c) \ for (c = 0; c < src->channels; ++c) \
samples[i++] = (g##type) (src->accumulator * amp); \ samples[i++] = (g##type) (src->accumulator * amp); \
} else { \ } else { \
...@@ -541,7 +533,7 @@ gst_audio_test_src_create_triangle_##type (GstAudioTestSrc * src, g##type * samp ...@@ -541,7 +533,7 @@ gst_audio_test_src_create_triangle_##type (GstAudioTestSrc * src, g##type * samp
gdouble step, amp; \ gdouble step, amp; \
\ \
step = M_PI_M2 * src->freq / src->samplerate; \ step = M_PI_M2 * src->freq / src->samplerate; \
amp = (src->volume * scale) / M_PI_2; \ amp = (src->volume * scale) / G_PI_2; \
\ \
i = 0; \ i = 0; \
while (i < (src->generate_samples_per_buffer * src->channels)) { \ while (i < (src->generate_samples_per_buffer * src->channels)) { \
...@@ -549,12 +541,12 @@ gst_audio_test_src_create_triangle_##type (GstAudioTestSrc * src, g##type * samp ...@@ -549,12 +541,12 @@ gst_audio_test_src_create_triangle_##type (GstAudioTestSrc * src, g##type * samp
if (src->accumulator >= M_PI_M2) \ if (src->accumulator >= M_PI_M2) \
src->accumulator -= M_PI_M2; \ src->accumulator -= M_PI_M2; \
\ \
if (src->accumulator < (M_PI * 0.5)) { \ if (src->accumulator < (G_PI_2)) { \
for (c = 0; c < src->channels; ++c) \ for (c = 0; c < src->channels; ++c) \
samples[i++] = (g##type) (src->accumulator * amp); \ samples[i++] = (g##type) (src->accumulator * amp); \
} else if (src->accumulator < (M_PI * 1.5)) { \ } else if (src->accumulator < (G_PI * 1.5)) { \
for (c = 0; c < src->channels; ++c) \ for (c = 0; c < src->channels; ++c) \
samples[i++] = (g##type) ((src->accumulator - M_PI) * -amp); \ samples[i++] = (g##type) ((src->accumulator - G_PI) * -amp); \
} else { \ } else { \
for (c = 0; c < src->channels; ++c) \ for (c = 0; c < src->channels; ++c) \
samples[i++] = (g##type) ((M_PI_M2 - src->accumulator) * -amp); \ samples[i++] = (g##type) ((M_PI_M2 - src->accumulator) * -amp); \
......
...@@ -52,12 +52,12 @@ vs_4tap_func (double x) ...@@ -52,12 +52,12 @@ vs_4tap_func (double x)
#if 0 #if 0
if (x == 0) if (x == 0)
return 1; return 1;
return sin (M_PI * x) / (M_PI * x) * (1 - 0.25 * x * x); return sin (G_PI * x) / (G_PI * x) * (1 - 0.25 * x * x);
#endif #endif
#if 1 #if 1
if (x == 0) if (x == 0)
return 1; return 1;
return sin (M_PI * x) / (M_PI * x); return sin (G_PI * x) / (G_PI * x);
#endif #endif
} }
......
#include <stdio.h> #include <stdio.h>
#include <math.h> #include <math.h>
#include <glib.h>
static int static int
get_value (int i) get_value (int i)
{ {
int x; int x;
x = floor (256 * (0.5 + 0.5 * sin (i * 2 * M_PI / 256))); x = floor (256 * (0.5 + 0.5 * sin (i * 2 * G_PI / 256)));
if (x > 255) if (x > 255)
x = 255; x = 255;
return x; return x;
......
...@@ -1561,8 +1561,8 @@ gst_video_test_src_ball (GstVideoTestSrc * v, unsigned char *dest, int w, int h) ...@@ -1561,8 +1561,8 @@ gst_video_test_src_ball (GstVideoTestSrc * v, unsigned char *dest, int w, int h)
fourcc->paint_setup (p, dest); fourcc->paint_setup (p, dest);
x = radius + (0.5 + 0.5 * sin (2 * M_PI * t / 200)) * (w - 2 * radius); x = radius + (0.5 + 0.5 * sin (2 * G_PI * t / 200)) * (w - 2 * radius);
y = radius + (0.5 + 0.5 * sin (2 * M_PI * sqrt (2) * t / 200)) * (h - y = radius + (0.5 + 0.5 * sin (2 * G_PI * sqrt (2) * t / 200)) * (h -
2 * radius); 2 * radius);
for (i = 0; i < h; i++) { for (i = 0; i < h; i++) {
......
...@@ -64,8 +64,8 @@ animate_render_rect (gpointer user_data) ...@@ -64,8 +64,8 @@ animate_render_rect (gpointer user_data)
gdouble c = cos (2.0 * anim_state.a); gdouble c = cos (2.0 * anim_state.a);
anim_state.a += anim_state.p; anim_state.a += anim_state.p;
if (anim_state.a > (M_PI + M_PI)) if (anim_state.a > (G_PI + G_PI))
anim_state.a -= (M_PI + M_PI); anim_state.a -= (G_PI + G_PI);
r->w = anim_state.w / 2; r->w = anim_state.w / 2;
r->x = (r->w - (r->w / 2)) + c * (r->w / 2); r->x = (r->w - (r->w / 2)) + c * (r->w / 2);
...@@ -223,7 +223,7 @@ main (gint argc, gchar ** argv) ...@@ -223,7 +223,7 @@ main (gint argc, gchar ** argv)
anim_state.w = 320; anim_state.w = 320;
anim_state.h = 240; anim_state.h = 240;