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avi needs 4 byte padding

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Original commit message from CVS:
avi needs 4 byte padding
This commit is contained in:
Ronald S. Bultje 2002-10-24 19:32:11 +00:00
parent d09ec5ca08
commit 3109e14e36
1 changed files with 47 additions and 7 deletions
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54
gst/avi/gstavimux.c
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@ -340,6 +340,8 @@ gst_avimux_sinkconnect (GstPad *pad, GstCaps *vscaps)
"blockalign", &avimux->auds.blockalign, "blockalign", &avimux->auds.blockalign,
"size", &avimux->auds.size, "size", &avimux->auds.size,
NULL); NULL);
avimux->auds_hdr.samplesize = avimux->auds_hdr.scale = avimux->auds.blockalign;
avimux->auds_hdr.rate = avimux->auds.av_bps;
goto done; goto done;
} }
} }
@ -406,8 +408,8 @@ gst_avimux_sinkconnect (GstPad *pad, GstCaps *vscaps)
"width", &width, "width", &width,
"depth", &avimux->auds.size, "depth", &avimux->auds.size,
NULL); NULL);
avimux->auds.av_bps = width * avimux->auds.rate * avimux->auds.channels / 8; avimux->auds_hdr.rate = avimux->auds.av_bps = width * avimux->auds.rate * avimux->auds.channels / 8;
avimux->auds.blockalign = width * avimux->auds.channels/8; avimux->auds_hdr.samplesize = avimux->auds_hdr.scale = avimux->auds.blockalign = width * avimux->auds.channels/8;
goto done; goto done;
} }
else if (!strcmp (mimetype, "audio/mp3")) else if (!strcmp (mimetype, "audio/mp3"))
@ -950,7 +952,12 @@ gst_avimux_stop_file (GstAviMux *avimux)
if (avimux->video_pad_connected) if (avimux->video_pad_connected)
avimux->vids_hdr.length = avimux->num_frames; avimux->vids_hdr.length = avimux->num_frames;
if (avimux->audio_pad_connected) if (avimux->audio_pad_connected)
avimux->auds_hdr.length = avimux->audio_size/avimux->auds_hdr.scale; {
if (avimux->auds_hdr.scale)
avimux->auds_hdr.length = avimux->audio_size/avimux->auds_hdr.scale;
else
avimux->auds_hdr.length = 0; /* urm...? FIXME! ;-) */
}
/* set rate and everything having to do with that */ /* set rate and everything having to do with that */
avimux->avi_hdr.us_frame = avimux->vids_hdr.scale = 1000000/avimux->framerate; avimux->avi_hdr.us_frame = avimux->vids_hdr.scale = 1000000/avimux->framerate;
@ -1066,15 +1073,30 @@ gst_avimux_fill_queue (GstAviMux *avimux)
} }
/* send extra 'padding' data */
static void
gst_avimux_send_pad_data (GstAviMux *avimux,
gulong num_bytes)
{
GstBuffer *buffer;
buffer = gst_buffer_new();
GST_BUFFER_SIZE(buffer) = num_bytes;
GST_BUFFER_DATA(buffer) = g_malloc(num_bytes);
memset(GST_BUFFER_DATA(buffer), 0, num_bytes);
gst_pad_push(avimux->srcpad, buffer);
}
/* do audio buffer */ /* do audio buffer */
static void static void
gst_avimux_do_audio_buffer (GstAviMux *avimux) gst_avimux_do_audio_buffer (GstAviMux *avimux)
{ {
GstBuffer *data = avimux->audio_buffer_queue, *header; GstBuffer *data = avimux->audio_buffer_queue, *header;
gulong total_size; gulong total_size, pad_bytes;
/* write a audio header + index entry */ /* write a audio header + index entry */
header = gst_avimux_riff_get_audio_header(GST_BUFFER_SIZE(data)); header = gst_avimux_riff_get_audio_header((GST_BUFFER_SIZE(data)+3)&~3);
total_size = GST_BUFFER_SIZE(header) + GST_BUFFER_SIZE(data); total_size = GST_BUFFER_SIZE(header) + GST_BUFFER_SIZE(data);
avimux->total_data += total_size; avimux->total_data += total_size;
@ -1090,7 +1112,16 @@ gst_avimux_do_audio_buffer (GstAviMux *avimux)
} }
gst_pad_push(avimux->srcpad, header); gst_pad_push(avimux->srcpad, header);
pad_bytes = ((GST_BUFFER_SIZE(data)+3)&~3) - GST_BUFFER_SIZE(data);
if (pad_bytes)
if (GST_BUFFER_MAXSIZE(data) >= GST_BUFFER_SIZE(data) + pad_bytes)
{
GST_BUFFER_SIZE(data) += pad_bytes;
pad_bytes = 0;
}
gst_pad_push(avimux->srcpad, data); gst_pad_push(avimux->srcpad, data);
if (pad_bytes)
gst_avimux_send_pad_data(avimux, pad_bytes);
avimux->audio_buffer_queue = NULL; avimux->audio_buffer_queue = NULL;
} }
@ -1100,7 +1131,7 @@ static void
gst_avimux_do_video_buffer (GstAviMux *avimux) gst_avimux_do_video_buffer (GstAviMux *avimux)
{ {
GstBuffer *data = avimux->video_buffer_queue, *header; GstBuffer *data = avimux->video_buffer_queue, *header;
gulong total_size; gulong total_size, pad_bytes;
if (avimux->restart) if (avimux->restart)
gst_avimux_restart_file(avimux); gst_avimux_restart_file(avimux);
@ -1114,7 +1145,7 @@ gst_avimux_do_video_buffer (GstAviMux *avimux)
gst_avimux_restart_file(avimux); gst_avimux_restart_file(avimux);
} }
header = gst_avimux_riff_get_video_header(GST_BUFFER_SIZE(data)); header = gst_avimux_riff_get_video_header((GST_BUFFER_SIZE(data)+3)&~3);
total_size = GST_BUFFER_SIZE(header) + GST_BUFFER_SIZE(data); total_size = GST_BUFFER_SIZE(header) + GST_BUFFER_SIZE(data);
avimux->total_data += total_size; avimux->total_data += total_size;
avimux->total_frames++; avimux->total_frames++;
@ -1132,7 +1163,16 @@ gst_avimux_do_video_buffer (GstAviMux *avimux)
} }
gst_pad_push(avimux->srcpad, header); gst_pad_push(avimux->srcpad, header);
pad_bytes = ((GST_BUFFER_SIZE(data)+3)&~3) - GST_BUFFER_SIZE(data);
if (pad_bytes)
if (GST_BUFFER_MAXSIZE(data) >= GST_BUFFER_SIZE(data) + pad_bytes)
{
GST_BUFFER_SIZE(data) += pad_bytes;
pad_bytes = 0;
}
gst_pad_push(avimux->srcpad, data); gst_pad_push(avimux->srcpad, data);
if (pad_bytes)
gst_avimux_send_pad_data(avimux, pad_bytes);
avimux->video_buffer_queue = NULL; avimux->video_buffer_queue = NULL;
} }