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string_for_format implemented. 

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3387 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
François Revol 2003-05-29 17:46:44 +00:00
parent 9bedd42cd1
commit 9126f16df4
1 changed files with 85 additions and 3 deletions
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88
src/kits/media/MediaDefs.cpp
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@ -5,6 +5,7 @@
***********************************************************************/
#include <MediaDefs.h>
#include <MediaNode.h>
#include <stdio.h>
#include <string.h>
#include "debug.h"
@ -417,9 +418,90 @@ bool format_is_compatible(const media_format & a, const media_format & b) /* a i
bool string_for_format(const media_format & f, char * buf, size_t size)
{
UNIMPLEMENTED();
strcpy(buf, "No string_for_format string!");
return true;
char encoding[10]; /* maybe Be wanted to use some 4CCs ? */
const char *video_orientation = "0"; /* I'd use "NC", R5 uses 0. */
if (buf == NULL)
return false;
switch (f.type) {
case B_MEDIA_RAW_AUDIO:
snprintf(buf, size,
_string_fmt_raw_audio,
f.u.raw_audio.frame_rate,
f.u.raw_audio.channel_count,
f.u.raw_audio.format,
f.u.raw_audio.byte_order,
f.u.raw_audio.buffer_size);
return true;
case B_MEDIA_RAW_VIDEO:
if (f.u.raw_video.orientation == B_VIDEO_TOP_LEFT_RIGHT)
video_orientation = "TopLR";
else if (f.u.raw_video.orientation == B_VIDEO_BOTTOM_LEFT_RIGHT)
video_orientation = "BotLR";
snprintf(buf, size,
_string_fmt_raw_video,
f.u.raw_video.field_rate,
f.u.raw_video.display.format,
f.u.raw_video.interlace,
f.u.raw_video.display.line_width,
f.u.raw_video.display.line_count,
f.u.raw_video.first_active,
video_orientation,
f.u.raw_video.pixel_width_aspect,
f.u.raw_video.pixel_height_aspect);
return true;
case B_MEDIA_ENCODED_AUDIO:
snprintf(encoding, 10, "%d", f.u.encoded_audio.encoding);
snprintf(buf, size,
_string_fmt_caudio,
encoding, // f.u.encoded_audio.encoding,
f.u.encoded_audio.bit_rate,
f.u.encoded_audio.frame_size,
// (
f.u.encoded_audio.output.frame_rate,
f.u.encoded_audio.output.channel_count,
f.u.encoded_audio.output.format,
f.u.encoded_audio.output.byte_order,
f.u.encoded_audio.output.buffer_size);
// )
return true;
case B_MEDIA_ENCODED_VIDEO:
snprintf(encoding, 10, "%d", f.u.encoded_video.encoding);
if (f.u.encoded_video.output.orientation == B_VIDEO_TOP_LEFT_RIGHT)
video_orientation = "TopLR";
else if (f.u.encoded_video.output.orientation == B_VIDEO_BOTTOM_LEFT_RIGHT)
video_orientation = "BotLR";
snprintf(buf, size,
_string_fmt_cvideo,
encoding,
f.u.encoded_video.avg_bit_rate,
f.u.encoded_video.max_bit_rate,
f.u.encoded_video.frame_size,
// (
f.u.encoded_video.output.field_rate,
f.u.encoded_video.output.display.format,
f.u.encoded_video.output.interlace,
f.u.encoded_video.output.display.line_width,
f.u.encoded_video.output.display.line_count,
f.u.encoded_video.output.first_active,
video_orientation,
f.u.encoded_video.output.pixel_width_aspect,
f.u.encoded_video.output.pixel_height_aspect);
// )
return true;
default:
snprintf(buf, size, "%d-", f.type);
unsigned char *p = (unsigned char *)&(f.u);
size -= strlen(buf);
buf += strlen(buf);
for (int i = 0; (size > 2) && (i < 96); i++) {
snprintf(buf, 3, "%2.2x", *(p + i));
buf+=2;
size-=2;
}
return true; // ?
}
return false;
}
/*************************************************************