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improve index offset calculation, fix some minor other issues and make avimux actually work with mp3 audio

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Original commit message from CVS:
Fix padding (2 bytes instead of 4), improve index offset calculation, fix some minor other issues and make avimux actually work with mp3 audio
This commit is contained in:
Ronald S. Bultje 2003-07-22 20:55:08 +00:00
parent 65a2c594cd
commit 6f35e4fcbe
1 changed files with 27 additions and 31 deletions
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58
gst/avi/gstavimux.c
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@ -905,7 +905,6 @@ gst_avimux_add_index (GstAviMux *avimux, guchar *code, guint32 flags, guint32 si
avimux->idx[avimux->idx_index].offset = LE_FROM_GUINT32(avimux->idx_offset);
avimux->idx[avimux->idx_index].size = LE_FROM_GUINT32(size);
avimux->idx_index++;
avimux->idx_offset += size;
}
static void
@ -1005,8 +1004,8 @@ gst_avimux_start_file (GstAviMux *avimux)
avimux->is_bigfile = FALSE;
header = gst_avimux_riff_get_avi_header(avimux);
avimux->idx_offset = avimux->header_size + 12;
avimux->total_data += GST_BUFFER_SIZE(header);
avimux->idx_offset = avimux->total_data;
gst_pad_push(avimux->srcpad, header);
avimux->write_header = FALSE;
@ -1018,7 +1017,6 @@ gst_avimux_stop_file (GstAviMux *avimux)
{
GstEvent *event;
GstBuffer *header;
gdouble framerate = 0.;
/* if bigfile, rewrite header, else write indexes */
if (avimux->video_pad_connected)
@ -1040,7 +1038,7 @@ gst_avimux_stop_file (GstAviMux *avimux)
avimux->vids_hdr.length = avimux->num_frames;
}
if (avimux->audio_pad_connected) {
avimux->auds_hdr.length = avimux->audio_size/avimux->auds.blockalign;
avimux->auds_hdr.length = (avimux->audio_time * avimux->auds.rate)/GST_SECOND;
}
/* set rate and everything having to do with that */
@ -1055,7 +1053,7 @@ gst_avimux_stop_file (GstAviMux *avimux)
}
if (avimux->video_pad_connected) {
avimux->avi_hdr.max_bps += ((avimux->vids.bit_cnt+7)/8) *
framerate *
(1000000. / avimux->avi_hdr.us_frame) *
avimux->vids.image_size;
}
@ -1173,12 +1171,14 @@ static void
gst_avimux_do_audio_buffer (GstAviMux *avimux)
{
GstBuffer *data = avimux->audio_buffer_queue, *header;
gulong total_size, pad_bytes;
gulong total_size, pad_bytes = 0;
/* write a audio header + index entry */
header = gst_avimux_riff_get_audio_header((GST_BUFFER_SIZE(data)+3)&~3);
total_size = GST_BUFFER_SIZE(header) + GST_BUFFER_SIZE(data);
avimux->total_data += total_size;
if (GST_BUFFER_SIZE(data) & 1) {
pad_bytes = 2 - (GST_BUFFER_SIZE(data) & 1);
}
header = gst_avimux_riff_get_audio_header(GST_BUFFER_SIZE(data));
total_size = GST_BUFFER_SIZE(header) + GST_BUFFER_SIZE(data) + pad_bytes;
if (avimux->is_bigfile)
{
@ -1189,20 +1189,17 @@ gst_avimux_do_audio_buffer (GstAviMux *avimux)
avimux->data_size += total_size;
avimux->audio_size += GST_BUFFER_SIZE(data);
avimux->audio_time += GST_BUFFER_DURATION(data);
gst_avimux_add_index(avimux, "01wb", 0x0, total_size);
gst_avimux_add_index(avimux, "01wb", 0x0, GST_BUFFER_SIZE(data));
}
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);
if (pad_bytes)
if (pad_bytes) {
gst_avimux_send_pad_data(avimux, pad_bytes);
}
avimux->total_data += total_size;
avimux->idx_offset += total_size;
avimux->audio_buffer_queue = NULL;
}
@ -1212,7 +1209,7 @@ static void
gst_avimux_do_video_buffer (GstAviMux *avimux)
{
GstBuffer *data = avimux->video_buffer_queue, *header;
gulong total_size, pad_bytes;
gulong total_size, pad_bytes = 0;
if (avimux->restart)
gst_avimux_restart_file(avimux);
@ -1226,9 +1223,11 @@ gst_avimux_do_video_buffer (GstAviMux *avimux)
gst_avimux_restart_file(avimux);
}
header = gst_avimux_riff_get_video_header((GST_BUFFER_SIZE(data)+3)&~3);
total_size = GST_BUFFER_SIZE(header) + GST_BUFFER_SIZE(data);
avimux->total_data += total_size;
if (GST_BUFFER_SIZE(data) & 1) {
pad_bytes = 2 - (GST_BUFFER_SIZE(data) & 1);
}
header = gst_avimux_riff_get_video_header(GST_BUFFER_SIZE(data));
total_size = GST_BUFFER_SIZE(header) + GST_BUFFER_SIZE(data) + pad_bytes;
avimux->total_frames++;
if (avimux->is_bigfile)
@ -1240,20 +1239,17 @@ gst_avimux_do_video_buffer (GstAviMux *avimux)
{
avimux->data_size += total_size;
avimux->num_frames++;
gst_avimux_add_index(avimux, "00db", 0x12, total_size);
gst_avimux_add_index(avimux, "00db", 0x12, GST_BUFFER_SIZE(data));
}
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);
if (pad_bytes)
if (pad_bytes) {
gst_avimux_send_pad_data(avimux, pad_bytes);
}
avimux->total_data += total_size;
avimux->idx_offset += total_size;
avimux->video_buffer_queue = NULL;
}