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Commit 405acb8a authored by Laurent Aimar's avatar Laurent Aimar
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Converted yuv to "vout display" API.

parent 42fbb6d8
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Showing with 194 additions and 239 deletions
modules/video_output/yuv.c
View file @ 405acb8a
......@@ -31,303 +31,258 @@
#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_vout.h>
#include <vlc_vout_display.h>
#include <vlc_picture_pool.h>
#include <vlc_charset.h>
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Create ( vlc_object_t * );
static void Destroy ( vlc_object_t * );
static int Init ( vout_thread_t * );
static void End ( vout_thread_t *p_vout );
static void Display ( vout_thread_t *, picture_t * );
/*****************************************************************************
* Module descriptor
*****************************************************************************/
#define YUV_FILE_TEXT N_("device, fifo or filename")
#define YUV_FILE_LONGTEXT N_("device, fifo or filename to write yuv frames too." )
#define YUV_FILE_LONGTEXT N_("device, fifo or filename to write yuv frames too.")
#define CHROMA_TEXT N_("Chroma used.")
#define CHROMA_LONGTEXT N_( \
"Force use of a specific chroma for output. Default is I420." )
#define CHROMA_LONGTEXT N_(\
"Force use of a specific chroma for output. Default is I420.")
#define YUV4MPEG2_TEXT N_( "YUV4MPEG2 header (default disabled)" )
#define YUV4MPEG2_LONGTEXT N_( "The YUV4MPEG2 header is compatible " \
#define YUV4MPEG2_TEXT N_("YUV4MPEG2 header (default disabled)")
#define YUV4MPEG2_LONGTEXT N_("The YUV4MPEG2 header is compatible " \
"with mplayer yuv video ouput and requires YV12/I420 fourcc. By default "\
"vlc writes the fourcc of the picture frame into the output destination." )
"vlc writes the fourcc of the picture frame into the output destination.")
#define CFG_PREFIX "yuv-"
vlc_module_begin ()
set_shortname( N_( "YUV output" ) )
set_description( N_( "YUV video output" ) )
set_category( CAT_VIDEO )
set_subcategory( SUBCAT_VIDEO_VOUT )
set_capability( "video output", 0 )
static int Open (vlc_object_t *);
static void Close(vlc_object_t *);
vlc_module_begin()
set_shortname(N_("YUV output"))
set_description(N_("YUV video output"))
set_category(CAT_VIDEO)
set_subcategory(SUBCAT_VIDEO_VOUT)
set_capability("vout display", 0)
add_string( CFG_PREFIX "file", "stream.yuv", NULL,
YUV_FILE_TEXT, YUV_FILE_LONGTEXT, false )
add_string( CFG_PREFIX "chroma", NULL, NULL,
CHROMA_TEXT, CHROMA_LONGTEXT, true )
add_bool ( CFG_PREFIX "yuv4mpeg2", false, NULL,
YUV4MPEG2_TEXT, YUV4MPEG2_LONGTEXT, true )
add_string(CFG_PREFIX "file", "stream.yuv", NULL,
YUV_FILE_TEXT, YUV_FILE_LONGTEXT, false)
add_string(CFG_PREFIX "chroma", NULL, NULL,
CHROMA_TEXT, CHROMA_LONGTEXT, true)
add_bool (CFG_PREFIX "yuv4mpeg2", false, NULL,
YUV4MPEG2_TEXT, YUV4MPEG2_LONGTEXT, true)
set_callbacks( Create, Destroy )
vlc_module_end ()
set_callbacks(Open, Close)
vlc_module_end()
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static const char *const ppsz_vout_options[] = {
"file", "chroma", "yuv4mpeg2", NULL
};
static void WriteYUV( vout_thread_t *p_vout, video_format_t fmt,
picture_t *p_pic );
/* */
static picture_t *Get (vout_display_t *);
static void Display(vout_display_t *, picture_t *);
static int Control(vout_display_t *, int, va_list);
static void Manage (vout_display_t *);
/*****************************************************************************
* vout_sys_t: video output descriptor
* vout_display_sys_t: video output descriptor
*****************************************************************************/
struct vout_sys_t
{
char *psz_file;
FILE *p_fd;
bool b_header;
bool b_yuv4mpeg2;
vlc_fourcc_t i_chroma;
struct vout_display_sys_t {
FILE *f;
bool is_first;
bool is_yuv4mpeg2;
bool use_dr;
picture_pool_t *pool;
};
/*****************************************************************************
* Create: allocates video thread
*****************************************************************************
* This function allocates and initializes a vout method.
*****************************************************************************/
static int Create( vlc_object_t *p_this )
/* */
static int Open(vlc_object_t *object)
{
vout_thread_t *p_vout = ( vout_thread_t * )p_this;
vout_sys_t *p_sys;
char *psz_fcc;
config_ChainParse( p_vout, CFG_PREFIX, ppsz_vout_options,
p_vout->p_cfg );
vout_display_t *vd = (vout_display_t *)object;
vout_display_sys_t *sys;
/* Allocate instance and initialize some members */
p_vout->p_sys = p_sys = malloc( sizeof( vout_sys_t ) );
if( !p_vout->p_sys )
vd->sys = sys = malloc(sizeof(*sys));
if (!sys)
return VLC_ENOMEM;
p_sys->b_header = false;
p_sys->p_fd = NULL;
p_sys->b_yuv4mpeg2 = var_CreateGetBool( p_this, CFG_PREFIX "yuv4mpeg2" );
p_sys->i_chroma = VLC_CODEC_I420;
p_sys->psz_file =
var_CreateGetString( p_this, CFG_PREFIX "file" );
p_sys->p_fd = utf8_fopen( p_sys->psz_file, "wb" );
if( !p_sys->p_fd )
{
free( p_sys->psz_file );
free( p_sys );
return VLC_EGENERIC;
}
psz_fcc = var_CreateGetNonEmptyString( p_this, CFG_PREFIX "chroma" );
const vlc_fourcc_t i_requested_chroma =
vlc_fourcc_GetCodecFromString( VIDEO_ES, psz_fcc );
if( i_requested_chroma )
p_sys->i_chroma = i_requested_chroma;
free( psz_fcc );
if( p_sys->b_yuv4mpeg2 )
{
switch( p_sys->i_chroma )
{
case VLC_CODEC_YV12:
case VLC_CODEC_I420:
case VLC_CODEC_J420:
break;
default:
msg_Err( p_this,
"YUV4MPEG2 mode needs chroma YV12 not %4s as requested",
(char *)&(p_sys->i_chroma) );
fclose( p_vout->p_sys->p_fd );
free( p_vout->p_sys->psz_file );
free( p_vout->p_sys );
return VLC_EGENERIC;
}
}
msg_Dbg( p_this, "using chroma %4s", (char *)&(p_sys->i_chroma) );
p_vout->pf_init = Init;
p_vout->pf_end = End;
p_vout->pf_manage = NULL;
p_vout->pf_render = NULL;
p_vout->pf_display = Display;
return VLC_SUCCESS;
}
/*****************************************************************************
* Init: initialize video thread
*****************************************************************************/
static int Init( vout_thread_t *p_vout )
{
vout_sys_t *p_sys = (vout_sys_t *) p_vout->p_sys;
int i_index;
picture_t *p_pic;
/* Initialize the output structure */
if( p_vout->render.i_chroma != p_sys->i_chroma )
p_vout->output.i_chroma = p_vout->fmt_out.i_chroma = p_sys->i_chroma;
else
p_vout->output.i_chroma = p_vout->render.i_chroma;
p_vout->output.pf_setpalette = NULL;
p_vout->output.i_width = p_vout->render.i_width;
p_vout->output.i_height = p_vout->render.i_height;
p_vout->output.i_aspect = p_vout->output.i_width
* VOUT_ASPECT_FACTOR / p_vout->output.i_height;
p_vout->output.i_rmask = 0xff0000;
p_vout->output.i_gmask = 0x00ff00;
p_vout->output.i_bmask = 0x0000ff;
/* Try to initialize 1 direct buffer */
p_pic = NULL;
/* Find an empty picture slot */
for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
{
if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
{
p_pic = p_vout->p_picture + i_index;
sys->is_first = false;
sys->is_yuv4mpeg2 = var_CreateGetBool(vd, CFG_PREFIX "yuv4mpeg2");
sys->pool = NULL;
/* */
char *psz_fcc = var_CreateGetNonEmptyString(vd, CFG_PREFIX "chroma");
const vlc_fourcc_t requested_chroma = vlc_fourcc_GetCodecFromString(VIDEO_ES,
psz_fcc);
free(psz_fcc);
const vlc_fourcc_t chroma = requested_chroma ? requested_chroma :
VLC_CODEC_I420;
if (sys->is_yuv4mpeg2) {
switch (chroma) {
case VLC_CODEC_YV12:
case VLC_CODEC_I420:
case VLC_CODEC_J420:
break;
default:
msg_Err(vd, "YUV4MPEG2 mode needs chroma YV12 not %4.4s as requested",
(char *)&chroma);
free(sys);
return VLC_EGENERIC;
}
}
/* Allocate the picture */
if( p_pic == NULL )
sys->use_dr = chroma == vd->fmt.i_chroma;
msg_Dbg(vd, "Using chroma %4.4s", (char *)&chroma);
/* */
char *name = var_CreateGetNonEmptyString(vd, CFG_PREFIX "file");
if (!name) {
msg_Err(vd, "Empty file name");
free(sys);
return VLC_EGENERIC;
}
sys->f = utf8_fopen(name, "wb");
vout_AllocatePicture( VLC_OBJECT(p_vout), p_pic, p_vout->output.i_chroma,
p_vout->output.i_width, p_vout->output.i_height,
p_vout->output.i_aspect );
if( p_pic->i_planes == 0 )
{
if (!sys->f) {
msg_Err(vd, "Failed to open %s", name);
free(name);
free(sys);
return VLC_EGENERIC;
}
p_pic->i_status = DESTROYED_PICTURE;
p_pic->i_type = DIRECT_PICTURE;
PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
I_OUTPUTPICTURES++;
msg_Dbg(vd, "Writing data to %s", name);
free(name);
/* */
video_format_t fmt = vd->fmt;
fmt.i_chroma = chroma;
video_format_FixRgb(&fmt);
/* */
vout_display_info_t info = vd->info;
info.has_hide_mouse = true;
/* */
vd->fmt = fmt;
vd->info = info;
vd->get = Get;
vd->prepare = NULL;
vd->display = Display;
vd->control = Control;
vd->manage = Manage;
vout_display_SendEventFullscreen(vd, false);
return VLC_SUCCESS;
}
/*****************************************************************************
* Destroy: destroy video thread
*****************************************************************************
* Terminate an output method created by Create
*****************************************************************************/
static void Destroy( vlc_object_t *p_this )
/* */
static void Close(vlc_object_t *object)
{
int i_index;
vout_thread_t *p_vout = ( vout_thread_t * )p_this;
vout_display_t *vd = (vout_display_t *)object;
vout_display_sys_t *sys = vd->sys;
for( i_index = I_OUTPUTPICTURES-1; i_index >= 0; i_index-- )
{
free( PP_OUTPUTPICTURE[ i_index ]->p_data );
}
/* Destroy structure */
fclose( p_vout->p_sys->p_fd );
free( p_vout->p_sys->psz_file );
free( p_vout->p_sys );
if (sys->pool)
picture_pool_Delete(sys->pool);
fclose(sys->f);
free(sys);
}
/*****************************************************************************
* Display: displays previously rendered output
*****************************************************************************
* This function copies the rendered picture into our circular buffer.
*
*****************************************************************************/
static void Display( vout_thread_t *p_vout, picture_t *p_pic )
{
video_format_t fmt_in;
memset( &fmt_in, 0, sizeof( fmt_in ) );
video_format_Copy( &fmt_in, &p_pic->format );
/* assume square pixels if i_sar_num = 0 */
if( p_pic->format.i_sar_num == 0 )
fmt_in.i_sar_num = fmt_in.i_sar_den = 1;
WriteYUV( p_vout, fmt_in, p_pic );
video_format_Clean( &fmt_in );
return;
}
static void End( vout_thread_t *p_vout )
static picture_t *Get(vout_display_t *vd)
{
VLC_UNUSED(p_vout);
vout_display_sys_t *sys = vd->sys;
if (!sys->pool) {
sys->pool = picture_pool_NewFromFormat(&vd->fmt, sys->use_dr ? VOUT_MAX_PICTURES : 1);
if (!sys->pool)
return NULL;
}
return picture_pool_Get(sys->pool);
}
static void WriteYUV( vout_thread_t *p_vout, video_format_t fmt,
picture_t *p_pic )
static void Display(vout_display_t *vd, picture_t *picture)
{
vout_sys_t *p_sys = p_vout->p_sys;
vout_display_sys_t *sys = vd->sys;
/* */
video_format_t fmt = vd->fmt;
fmt.i_sar_num = vd->source.i_sar_num;
fmt.i_sar_den = vd->source.i_sar_den;
/* */
char type;
if (picture->b_progressive)
type = 'p';
else if (picture->b_top_field_first)
type = 't';
else
type = 'b';
if( !p_pic || !p_sys ) return;
if (type != 'p') {
msg_Warn(vd, "Received a non progressive frame, "
"it will be written as progressive.");
type = 'p';
}
#if 0
msg_Dbg( p_vout, "writing %d bytes of fourcc %4s",
i_bytes, (char *)&fmt.i_chroma );
#endif
if( !p_sys->b_header )
{
const char *p_hdr = "";
if( p_sys->b_yuv4mpeg2 )
{
/* */
if (!sys->is_first) {
const char *header;
char buffer[5];
if (sys->is_yuv4mpeg2) {
/* MPlayer compatible header, unfortunately it doesn't tell you
* the exact fourcc used. */
p_hdr = "YUV4MPEG2";
header = "YUV4MPEG2";
} else {
snprintf(buffer, sizeof(buffer), "%4.4s",
(const char*)&fmt.i_chroma);
header = buffer;
}
else
{
p_hdr = (const char*)&fmt.i_chroma;
}
fprintf( p_sys->p_fd, "%4s W%d H%d F%d:%d I%c A%d:%d\n",
p_hdr,
fmt.i_width, fmt.i_height,
fmt.i_frame_rate, fmt.i_frame_rate_base,
(p_pic->b_progressive ? 'p' :
(p_pic->b_top_field_first ? 't' : 'b')),
fmt.i_sar_num, fmt.i_sar_den );
fflush( p_sys->p_fd );
p_sys->b_header = true;
fprintf(sys->f, "%s W%d H%d F%d:%d I%c A%d:%d\n",
header,
fmt.i_visible_width, fmt.i_visible_height,
fmt.i_frame_rate, fmt.i_frame_rate_base,
type,
fmt.i_sar_num, fmt.i_sar_den);
sys->is_first = true;
}
fprintf( p_sys->p_fd, "FRAME\n" );
if( p_pic->b_progressive )
{
size_t i_bytes = (fmt.i_width * fmt.i_height * fmt.i_bits_per_pixel) >> 3;
size_t i_written = 0;
i_written = fwrite( p_pic->p_data, 1, i_bytes, p_sys->p_fd );
if( i_written != i_bytes )
{
msg_Warn( p_vout, "only %zd of %zd bytes written",
i_written, i_bytes );
/* */
fprintf(sys->f, "FRAME\n");
for (int i = 0; i < picture->i_planes; i++) {
const plane_t *plane = &picture->p[i];
for( int y = 0; y < plane->i_visible_lines; y++) {
const size_t written = fwrite(&plane->p_pixels[y*plane->i_pitch],
1, plane->i_visible_pitch, sys->f);
if (written != (size_t)plane->i_visible_pitch)
msg_Warn(vd, "only %zd of %d bytes written",
written, plane->i_visible_pitch);
}
}
else
{
msg_Warn( p_vout, "only progressive frames are supported, "
"use a deinterlace filter" );
fflush(sys->f);
/* */
picture_Release(picture);
}
static int Control(vout_display_t *vd, int query, va_list args)
{
VLC_UNUSED(vd);
switch (query) {
case VOUT_DISPLAY_CHANGE_FULLSCREEN: {
const vout_display_cfg_t *cfg = va_arg(args, const vout_display_cfg_t *);
if (cfg->is_fullscreen)
return VLC_EGENERIC;
return VLC_SUCCESS;
}
default:
return VLC_EGENERIC;
}
fflush( p_sys->p_fd );
}
static void Manage (vout_display_t *vd)
{
VLC_UNUSED(vd);
}
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