* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <math.h>
+#include <limits.h>
#include "avformat.h"
#include "swscale.h"
#include "avstring.h"
#undef main /* We don't want SDL to override our main() */
#endif
-#ifdef CONFIG_OS2
-#define INCL_DOS
- #include <os2.h>
- #include <stdio.h>
-
- void MorphToPM()
- {
- PPIB pib;
- PTIB tib;
-
- DosGetInfoBlocks(&tib, &pib);
-
- // Change flag from VIO to PM:
- if (pib->pib_ultype==2) pib->pib_ultype = 3;
- }
-#endif
-
#undef exit
//#define DEBUG_SYNC
static int audio_disable;
static int video_disable;
static int wanted_audio_stream= 0;
+static int wanted_video_stream= 0;
static int seek_by_bytes;
static int display_disable;
static int show_status;
#define YUVA_IN(y, u, v, a, s, pal)\
{\
- unsigned int val = ((const uint32_t *)(pal))[*(const uint8_t*)s];\
+ unsigned int val = ((const uint32_t *)(pal))[*(const uint8_t*)(s)];\
a = (val >> 24) & 0xff;\
y = (val >> 16) & 0xff;\
u = (val >> 8) & 0xff;\
#define BPP 1
-static void blend_subrect(AVPicture *dst, const AVSubtitleRect *rect)
+static void blend_subrect(AVPicture *dst, const AVSubtitleRect *rect, int imgw, int imgh)
{
int wrap, wrap3, width2, skip2;
int y, u, v, a, u1, v1, a1, w, h;
uint8_t *lum, *cb, *cr;
const uint8_t *p;
const uint32_t *pal;
-
- lum = dst->data[0] + rect->y * dst->linesize[0];
- cb = dst->data[1] + (rect->y >> 1) * dst->linesize[1];
- cr = dst->data[2] + (rect->y >> 1) * dst->linesize[2];
-
- width2 = (rect->w + 1) >> 1;
- skip2 = rect->x >> 1;
+ int dstx, dsty, dstw, dsth;
+
+ dstx = FFMIN(FFMAX(rect->x, 0), imgw);
+ dstw = FFMIN(FFMAX(rect->w, 0), imgw - dstx);
+ dsty = FFMIN(FFMAX(rect->y, 0), imgh);
+ dsth = FFMIN(FFMAX(rect->h, 0), imgh - dsty);
+ lum = dst->data[0] + dsty * dst->linesize[0];
+ cb = dst->data[1] + (dsty >> 1) * dst->linesize[1];
+ cr = dst->data[2] + (dsty >> 1) * dst->linesize[2];
+
+ width2 = (dstw + 1) >> 1;
+ skip2 = dstx >> 1;
wrap = dst->linesize[0];
wrap3 = rect->linesize;
p = rect->bitmap;
pal = rect->rgba_palette; /* Now in YCrCb! */
- if (rect->y & 1) {
- lum += rect->x;
+ if (dsty & 1) {
+ lum += dstx;
cb += skip2;
cr += skip2;
- if (rect->x & 1) {
+ if (dstx & 1) {
YUVA_IN(y, u, v, a, p, pal);
lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
lum++;
p += BPP;
}
- for(w = rect->w - (rect->x & 1); w >= 2; w -= 2) {
+ for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
YUVA_IN(y, u, v, a, p, pal);
u1 = u;
v1 = v;
cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
}
- p += wrap3 + (wrap3 - rect->w * BPP);
- lum += wrap + (wrap - rect->w - rect->x);
+ p += wrap3 + (wrap3 - dstw * BPP);
+ lum += wrap + (wrap - dstw - dstx);
cb += dst->linesize[1] - width2 - skip2;
cr += dst->linesize[2] - width2 - skip2;
}
- for(h = rect->h - (rect->y & 1); h >= 2; h -= 2) {
- lum += rect->x;
+ for(h = dsth - (dsty & 1); h >= 2; h -= 2) {
+ lum += dstx;
cb += skip2;
cr += skip2;
- if (rect->x & 1) {
+ if (dstx & 1) {
YUVA_IN(y, u, v, a, p, pal);
u1 = u;
v1 = v;
p += -wrap3 + BPP;
lum += -wrap + 1;
}
- for(w = rect->w - (rect->x & 1); w >= 2; w -= 2) {
+ for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
YUVA_IN(y, u, v, a, p, pal);
u1 = u;
v1 = v;
p += -wrap3 + BPP;
lum += -wrap + 1;
}
- p += wrap3 + (wrap3 - rect->w * BPP);
- lum += wrap + (wrap - rect->w - rect->x);
+ p += wrap3 + (wrap3 - dstw * BPP);
+ lum += wrap + (wrap - dstw - dstx);
cb += dst->linesize[1] - width2 - skip2;
cr += dst->linesize[2] - width2 - skip2;
}
/* handle odd height */
if (h) {
- lum += rect->x;
+ lum += dstx;
cb += skip2;
cr += skip2;
- if (rect->x & 1) {
+ if (dstx & 1) {
YUVA_IN(y, u, v, a, p, pal);
lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
lum++;
p += BPP;
}
- for(w = rect->w - (rect->x & 1); w >= 2; w -= 2) {
+ for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
YUVA_IN(y, u, v, a, p, pal);
u1 = u;
v1 = v;
pict.linesize[2] = vp->bmp->pitches[1];
for (i = 0; i < sp->sub.num_rects; i++)
- blend_subrect(&pict, &sp->sub.rects[i]);
+ blend_subrect(&pict, &sp->sub.rects[i],
+ vp->bmp->w, vp->bmp->h);
SDL_UnlockYUVOverlay (vp->bmp);
}
pict.linesize[0] = vp->bmp->pitches[0];
pict.linesize[1] = vp->bmp->pitches[2];
pict.linesize[2] = vp->bmp->pitches[1];
+ img_convert_ctx = sws_getCachedContext(img_convert_ctx,
+ is->video_st->codec->width, is->video_st->codec->height,
+ is->video_st->codec->pix_fmt,
+ is->video_st->codec->width, is->video_st->codec->height,
+ dst_pix_fmt, sws_flags, NULL, NULL, NULL);
if (img_convert_ctx == NULL) {
- img_convert_ctx = sws_getContext(is->video_st->codec->width,
- is->video_st->codec->height, is->video_st->codec->pix_fmt,
- is->video_st->codec->width, is->video_st->codec->height,
- dst_pix_fmt, sws_flags, NULL, NULL, NULL);
- if (img_convert_ctx == NULL) {
- fprintf(stderr, "Cannot initialize the conversion context\n");
- exit(1);
- }
+ fprintf(stderr, "Cannot initialize the conversion context\n");
+ exit(1);
}
sws_scale(img_convert_ctx, src_frame->data, src_frame->linesize,
0, is->video_st->codec->height, pict.data, pict.linesize);
audio_index = i;
break;
case CODEC_TYPE_VIDEO:
- if (video_index < 0 && !video_disable)
+ if ((video_index < 0 || wanted_video_stream-- > 0) && !video_disable)
video_index = i;
break;
default:
av_sync_type = AV_SYNC_VIDEO_MASTER;
else if (!strcmp(arg, "ext"))
av_sync_type = AV_SYNC_EXTERNAL_CLOCK;
- else
+ else {
show_help();
+ exit(1);
+ }
}
static void opt_seek(const char *arg)
#endif
}
+static void opt_show_help(void)
+{
+ show_help();
+ exit(0);
+}
+
const OptionDef options[] = {
- { "h", 0, {(void*)show_help}, "show help" },
+ { "h", 0, {(void*)opt_show_help}, "show help" },
{ "x", HAS_ARG, {(void*)opt_width}, "force displayed width", "width" },
{ "y", HAS_ARG, {(void*)opt_height}, "force displayed height", "height" },
{ "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
{ "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
{ "vn", OPT_BOOL, {(void*)&video_disable}, "disable video" },
{ "ast", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_audio_stream}, "", "" },
+ { "vst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_video_stream}, "", "" },
{ "ss", HAS_ARG, {(void*)&opt_seek}, "seek to a given position in seconds", "pos" },
{ "bytes", OPT_BOOL, {(void*)&seek_by_bytes}, "seek by bytes" },
{ "nodisp", OPT_BOOL, {(void*)&display_disable}, "disable graphical display" },
void show_help(void)
{
- printf("ffplay version " FFMPEG_VERSION ", Copyright (c) 2003-2006 Fabrice Bellard, et al.\n"
+ printf("ffplay version " FFMPEG_VERSION ", Copyright (c) 2003-2007 Fabrice Bellard, et al.\n"
"usage: ffplay [options] input_file\n"
"Simple media player\n");
printf("\n");
"down/up seek backward/forward 1 minute\n"
"mouse click seek to percentage in file corresponding to fraction of width\n"
);
- exit(1);
}
void parse_arg_file(const char *filename)
/* register all codecs, demux and protocols */
av_register_all();
- #ifdef CONFIG_OS2
- MorphToPM(); // Morph the VIO application to a PM one to be able to use Win* functions
-
- // Make stdout and stderr unbuffered
- setbuf( stdout, NULL );
- setbuf( stderr, NULL );
- #endif
-
parse_options(argc, argv, options);
- if (!input_filename)
+ if (!input_filename) {
show_help();
+ exit(1);
+ }
if (display_disable) {
video_disable = 1;
projects / ffmpeg / blobdiff