diff options
Diffstat (limited to 'contrib/ffmpeg/ffplay.c')
| -rw-r--r-- | contrib/ffmpeg/ffplay.c | 2581 |
1 files changed, 0 insertions, 2581 deletions
diff --git a/contrib/ffmpeg/ffplay.c b/contrib/ffmpeg/ffplay.c deleted file mode 100644 index ebe31cd9b..000000000 --- a/contrib/ffmpeg/ffplay.c +++ /dev/null @@ -1,2581 +0,0 @@ -/* - * FFplay : Simple Media Player based on the ffmpeg libraries - * Copyright (c) 2003 Fabrice Bellard - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ -#define HAVE_AV_CONFIG_H -#include "avformat.h" -#include "swscale.h" - -#include "version.h" -#include "cmdutils.h" - -#include <SDL.h> -#include <SDL_thread.h> - -#ifdef __MINGW32__ -#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 - -#define MAX_VIDEOQ_SIZE (5 * 256 * 1024) -#define MAX_AUDIOQ_SIZE (5 * 16 * 1024) -#define MAX_SUBTITLEQ_SIZE (5 * 16 * 1024) - -/* SDL audio buffer size, in samples. Should be small to have precise - A/V sync as SDL does not have hardware buffer fullness info. */ -#define SDL_AUDIO_BUFFER_SIZE 1024 - -/* no AV sync correction is done if below the AV sync threshold */ -#define AV_SYNC_THRESHOLD 0.01 -/* no AV correction is done if too big error */ -#define AV_NOSYNC_THRESHOLD 10.0 - -/* maximum audio speed change to get correct sync */ -#define SAMPLE_CORRECTION_PERCENT_MAX 10 - -/* we use about AUDIO_DIFF_AVG_NB A-V differences to make the average */ -#define AUDIO_DIFF_AVG_NB 20 - -/* NOTE: the size must be big enough to compensate the hardware audio buffersize size */ -#define SAMPLE_ARRAY_SIZE (2*65536) - -static int sws_flags = SWS_BICUBIC; - -typedef struct PacketQueue { - AVPacketList *first_pkt, *last_pkt; - int nb_packets; - int size; - int abort_request; - SDL_mutex *mutex; - SDL_cond *cond; -} PacketQueue; - -#define VIDEO_PICTURE_QUEUE_SIZE 1 -#define SUBPICTURE_QUEUE_SIZE 4 - -typedef struct VideoPicture { - double pts; ///<presentation time stamp for this picture - SDL_Overlay *bmp; - int width, height; /* source height & width */ - int allocated; -} VideoPicture; - -typedef struct SubPicture { - double pts; /* presentation time stamp for this picture */ - AVSubtitle sub; -} SubPicture; - -enum { - AV_SYNC_AUDIO_MASTER, /* default choice */ - AV_SYNC_VIDEO_MASTER, - AV_SYNC_EXTERNAL_CLOCK, /* synchronize to an external clock */ -}; - -typedef struct VideoState { - SDL_Thread *parse_tid; - SDL_Thread *video_tid; - AVInputFormat *iformat; - int no_background; - int abort_request; - int paused; - int last_paused; - int seek_req; - int seek_flags; - int64_t seek_pos; - AVFormatContext *ic; - int dtg_active_format; - - int audio_stream; - - int av_sync_type; - double external_clock; /* external clock base */ - int64_t external_clock_time; - - double audio_clock; - double audio_diff_cum; /* used for AV difference average computation */ - double audio_diff_avg_coef; - double audio_diff_threshold; - int audio_diff_avg_count; - AVStream *audio_st; - PacketQueue audioq; - int audio_hw_buf_size; - /* samples output by the codec. we reserve more space for avsync - compensation */ - DECLARE_ALIGNED(16,uint8_t,audio_buf[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2]); - unsigned int audio_buf_size; /* in bytes */ - int audio_buf_index; /* in bytes */ - AVPacket audio_pkt; - uint8_t *audio_pkt_data; - int audio_pkt_size; - - int show_audio; /* if true, display audio samples */ - int16_t sample_array[SAMPLE_ARRAY_SIZE]; - int sample_array_index; - int last_i_start; - - SDL_Thread *subtitle_tid; - int subtitle_stream; - int subtitle_stream_changed; - AVStream *subtitle_st; - PacketQueue subtitleq; - SubPicture subpq[SUBPICTURE_QUEUE_SIZE]; - int subpq_size, subpq_rindex, subpq_windex; - SDL_mutex *subpq_mutex; - SDL_cond *subpq_cond; - - double frame_timer; - double frame_last_pts; - double frame_last_delay; - double video_clock; ///<pts of last decoded frame / predicted pts of next decoded frame - int video_stream; - AVStream *video_st; - PacketQueue videoq; - double video_current_pts; ///<current displayed pts (different from video_clock if frame fifos are used) - int64_t video_current_pts_time; ///<time (av_gettime) at which we updated video_current_pts - used to have running video pts - VideoPicture pictq[VIDEO_PICTURE_QUEUE_SIZE]; - int pictq_size, pictq_rindex, pictq_windex; - SDL_mutex *pictq_mutex; - SDL_cond *pictq_cond; - - // QETimer *video_timer; - char filename[1024]; - int width, height, xleft, ytop; -} VideoState; - -void show_help(void); -static int audio_write_get_buf_size(VideoState *is); - -/* options specified by the user */ -static AVInputFormat *file_iformat; -static const char *input_filename; -static int fs_screen_width; -static int fs_screen_height; -static int screen_width = 0; -static int screen_height = 0; -static int frame_width = 0; -static int frame_height = 0; -static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE; -static int audio_disable; -static int video_disable; -static int wanted_audio_stream= 0; -static int seek_by_bytes; -static int display_disable; -static int show_status; -static int av_sync_type = AV_SYNC_AUDIO_MASTER; -static int64_t start_time = AV_NOPTS_VALUE; -static int debug = 0; -static int debug_mv = 0; -static int step = 0; -static int thread_count = 1; -static int workaround_bugs = 1; -static int fast = 0; -static int genpts = 0; -static int lowres = 0; -static int idct = FF_IDCT_AUTO; -static enum AVDiscard skip_frame= AVDISCARD_DEFAULT; -static enum AVDiscard skip_idct= AVDISCARD_DEFAULT; -static enum AVDiscard skip_loop_filter= AVDISCARD_DEFAULT; -static int error_resilience = FF_ER_CAREFUL; -static int error_concealment = 3; -static int decoder_reorder_pts= 0; - -/* current context */ -static int is_full_screen; -static VideoState *cur_stream; -static int64_t audio_callback_time; - -AVPacket flush_pkt; - -#define FF_ALLOC_EVENT (SDL_USEREVENT) -#define FF_REFRESH_EVENT (SDL_USEREVENT + 1) -#define FF_QUIT_EVENT (SDL_USEREVENT + 2) - -SDL_Surface *screen; - -/* packet queue handling */ -static void packet_queue_init(PacketQueue *q) -{ - memset(q, 0, sizeof(PacketQueue)); - q->mutex = SDL_CreateMutex(); - q->cond = SDL_CreateCond(); -} - -static void packet_queue_flush(PacketQueue *q) -{ - AVPacketList *pkt, *pkt1; - - SDL_LockMutex(q->mutex); - for(pkt = q->first_pkt; pkt != NULL; pkt = pkt1) { - pkt1 = pkt->next; - av_free_packet(&pkt->pkt); - av_freep(&pkt); - } - q->last_pkt = NULL; - q->first_pkt = NULL; - q->nb_packets = 0; - q->size = 0; - SDL_UnlockMutex(q->mutex); -} - -static void packet_queue_end(PacketQueue *q) -{ - packet_queue_flush(q); - SDL_DestroyMutex(q->mutex); - SDL_DestroyCond(q->cond); -} - -static int packet_queue_put(PacketQueue *q, AVPacket *pkt) -{ - AVPacketList *pkt1; - - /* duplicate the packet */ - if (pkt!=&flush_pkt && av_dup_packet(pkt) < 0) - return -1; - - pkt1 = av_malloc(sizeof(AVPacketList)); - if (!pkt1) - return -1; - pkt1->pkt = *pkt; - pkt1->next = NULL; - - - SDL_LockMutex(q->mutex); - - if (!q->last_pkt) - - q->first_pkt = pkt1; - else - q->last_pkt->next = pkt1; - q->last_pkt = pkt1; - q->nb_packets++; - q->size += pkt1->pkt.size; - /* XXX: should duplicate packet data in DV case */ - SDL_CondSignal(q->cond); - - SDL_UnlockMutex(q->mutex); - return 0; -} - -static void packet_queue_abort(PacketQueue *q) -{ - SDL_LockMutex(q->mutex); - - q->abort_request = 1; - - SDL_CondSignal(q->cond); - - SDL_UnlockMutex(q->mutex); -} - -/* return < 0 if aborted, 0 if no packet and > 0 if packet. */ -static int packet_queue_get(PacketQueue *q, AVPacket *pkt, int block) -{ - AVPacketList *pkt1; - int ret; - - SDL_LockMutex(q->mutex); - - for(;;) { - if (q->abort_request) { - ret = -1; - break; - } - - pkt1 = q->first_pkt; - if (pkt1) { - q->first_pkt = pkt1->next; - if (!q->first_pkt) - q->last_pkt = NULL; - q->nb_packets--; - q->size -= pkt1->pkt.size; - *pkt = pkt1->pkt; - av_free(pkt1); - ret = 1; - break; - } else if (!block) { - ret = 0; - break; - } else { - SDL_CondWait(q->cond, q->mutex); - } - } - SDL_UnlockMutex(q->mutex); - return ret; -} - -static inline void fill_rectangle(SDL_Surface *screen, - int x, int y, int w, int h, int color) -{ - SDL_Rect rect; - rect.x = x; - rect.y = y; - rect.w = w; - rect.h = h; - SDL_FillRect(screen, &rect, color); -} - -#if 0 -/* draw only the border of a rectangle */ -void fill_border(VideoState *s, int x, int y, int w, int h, int color) -{ - int w1, w2, h1, h2; - - /* fill the background */ - w1 = x; - if (w1 < 0) - w1 = 0; - w2 = s->width - (x + w); - if (w2 < 0) - w2 = 0; - h1 = y; - if (h1 < 0) - h1 = 0; - h2 = s->height - (y + h); - if (h2 < 0) - h2 = 0; - fill_rectangle(screen, - s->xleft, s->ytop, - w1, s->height, - color); - fill_rectangle(screen, - s->xleft + s->width - w2, s->ytop, - w2, s->height, - color); - fill_rectangle(screen, - s->xleft + w1, s->ytop, - s->width - w1 - w2, h1, - color); - fill_rectangle(screen, - s->xleft + w1, s->ytop + s->height - h2, - s->width - w1 - w2, h2, - color); -} -#endif - - - -#define SCALEBITS 10 -#define ONE_HALF (1 << (SCALEBITS - 1)) -#define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5)) - -#define RGB_TO_Y_CCIR(r, g, b) \ -((FIX(0.29900*219.0/255.0) * (r) + FIX(0.58700*219.0/255.0) * (g) + \ - FIX(0.11400*219.0/255.0) * (b) + (ONE_HALF + (16 << SCALEBITS))) >> SCALEBITS) - -#define RGB_TO_U_CCIR(r1, g1, b1, shift)\ -(((- FIX(0.16874*224.0/255.0) * r1 - FIX(0.33126*224.0/255.0) * g1 + \ - FIX(0.50000*224.0/255.0) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128) - -#define RGB_TO_V_CCIR(r1, g1, b1, shift)\ -(((FIX(0.50000*224.0/255.0) * r1 - FIX(0.41869*224.0/255.0) * g1 - \ - FIX(0.08131*224.0/255.0) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128) - -#define ALPHA_BLEND(a, oldp, newp, s)\ -((((oldp << s) * (255 - (a))) + (newp * (a))) / (255 << s)) - -#define RGBA_IN(r, g, b, a, s)\ -{\ - unsigned int v = ((const uint32_t *)(s))[0];\ - a = (v >> 24) & 0xff;\ - r = (v >> 16) & 0xff;\ - g = (v >> 8) & 0xff;\ - b = v & 0xff;\ -} - -#define YUVA_IN(y, u, v, a, s, pal)\ -{\ - unsigned int val = ((const uint32_t *)(pal))[*(const uint8_t*)s];\ - a = (val >> 24) & 0xff;\ - y = (val >> 16) & 0xff;\ - u = (val >> 8) & 0xff;\ - v = val & 0xff;\ -} - -#define YUVA_OUT(d, y, u, v, a)\ -{\ - ((uint32_t *)(d))[0] = (a << 24) | (y << 16) | (u << 8) | v;\ -} - - -#define BPP 1 - -static void blend_subrect(AVPicture *dst, const AVSubtitleRect *rect) -{ - 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; - wrap = dst->linesize[0]; - wrap3 = rect->linesize; - p = rect->bitmap; - pal = rect->rgba_palette; /* Now in YCrCb! */ - - if (rect->y & 1) { - lum += rect->x; - cb += skip2; - cr += skip2; - - if (rect->x & 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); - cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0); - cb++; - cr++; - lum++; - p += BPP; - } - for(w = rect->w - (rect->x & 1); w >= 2; w -= 2) { - YUVA_IN(y, u, v, a, p, pal); - u1 = u; - v1 = v; - a1 = a; - lum[0] = ALPHA_BLEND(a, lum[0], y, 0); - - YUVA_IN(y, u, v, a, p + BPP, pal); - u1 += u; - v1 += v; - a1 += a; - lum[1] = ALPHA_BLEND(a, lum[1], y, 0); - cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1); - cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1); - cb++; - cr++; - p += 2 * BPP; - lum += 2; - } - if (w) { - 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); - cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0); - } - p += wrap3 + (wrap3 - rect->w * BPP); - lum += wrap + (wrap - rect->w - rect->x); - 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; - cb += skip2; - cr += skip2; - - if (rect->x & 1) { - YUVA_IN(y, u, v, a, p, pal); - u1 = u; - v1 = v; - a1 = a; - lum[0] = ALPHA_BLEND(a, lum[0], y, 0); - p += wrap3; - lum += wrap; - YUVA_IN(y, u, v, a, p, pal); - u1 += u; - v1 += v; - a1 += a; - lum[0] = ALPHA_BLEND(a, lum[0], y, 0); - cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1); - cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1); - cb++; - cr++; - p += -wrap3 + BPP; - lum += -wrap + 1; - } - for(w = rect->w - (rect->x & 1); w >= 2; w -= 2) { - YUVA_IN(y, u, v, a, p, pal); - u1 = u; - v1 = v; - a1 = a; - lum[0] = ALPHA_BLEND(a, lum[0], y, 0); - - YUVA_IN(y, u, v, a, p, pal); - u1 += u; - v1 += v; - a1 += a; - lum[1] = ALPHA_BLEND(a, lum[1], y, 0); - p += wrap3; - lum += wrap; - - YUVA_IN(y, u, v, a, p, pal); - u1 += u; - v1 += v; - a1 += a; - lum[0] = ALPHA_BLEND(a, lum[0], y, 0); - - YUVA_IN(y, u, v, a, p, pal); - u1 += u; - v1 += v; - a1 += a; - lum[1] = ALPHA_BLEND(a, lum[1], y, 0); - - cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 2); - cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 2); - - cb++; - cr++; - p += -wrap3 + 2 * BPP; - lum += -wrap + 2; - } - if (w) { - YUVA_IN(y, u, v, a, p, pal); - u1 = u; - v1 = v; - a1 = a; - lum[0] = ALPHA_BLEND(a, lum[0], y, 0); - p += wrap3; - lum += wrap; - YUVA_IN(y, u, v, a, p, pal); - u1 += u; - v1 += v; - a1 += a; - lum[0] = ALPHA_BLEND(a, lum[0], y, 0); - cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1); - cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1); - cb++; - cr++; - p += -wrap3 + BPP; - lum += -wrap + 1; - } - p += wrap3 + (wrap3 - rect->w * BPP); - lum += wrap + (wrap - rect->w - rect->x); - cb += dst->linesize[1] - width2 - skip2; - cr += dst->linesize[2] - width2 - skip2; - } - /* handle odd height */ - if (h) { - lum += rect->x; - cb += skip2; - cr += skip2; - - if (rect->x & 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); - cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0); - cb++; - cr++; - lum++; - p += BPP; - } - for(w = rect->w - (rect->x & 1); w >= 2; w -= 2) { - YUVA_IN(y, u, v, a, p, pal); - u1 = u; - v1 = v; - a1 = a; - lum[0] = ALPHA_BLEND(a, lum[0], y, 0); - - YUVA_IN(y, u, v, a, p + BPP, pal); - u1 += u; - v1 += v; - a1 += a; - lum[1] = ALPHA_BLEND(a, lum[1], y, 0); - cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u, 1); - cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v, 1); - cb++; - cr++; - p += 2 * BPP; - lum += 2; - } - if (w) { - 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); - cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0); - } - } -} - -static void free_subpicture(SubPicture *sp) -{ - int i; - - for (i = 0; i < sp->sub.num_rects; i++) - { - av_free(sp->sub.rects[i].bitmap); - av_free(sp->sub.rects[i].rgba_palette); - } - - av_free(sp->sub.rects); - - memset(&sp->sub, 0, sizeof(AVSubtitle)); -} - -static void video_image_display(VideoState *is) -{ - VideoPicture *vp; - SubPicture *sp; - AVPicture pict; - float aspect_ratio; - int width, height, x, y; - SDL_Rect rect; - int i; - - vp = &is->pictq[is->pictq_rindex]; - if (vp->bmp) { - /* XXX: use variable in the frame */ - if (is->video_st->codec->sample_aspect_ratio.num == 0) - aspect_ratio = 0; - else - aspect_ratio = av_q2d(is->video_st->codec->sample_aspect_ratio) - * is->video_st->codec->width / is->video_st->codec->height;; - if (aspect_ratio <= 0.0) - aspect_ratio = (float)is->video_st->codec->width / - (float)is->video_st->codec->height; - /* if an active format is indicated, then it overrides the - mpeg format */ -#if 0 - if (is->video_st->codec->dtg_active_format != is->dtg_active_format) { - is->dtg_active_format = is->video_st->codec->dtg_active_format; - printf("dtg_active_format=%d\n", is->dtg_active_format); - } -#endif -#if 0 - switch(is->video_st->codec->dtg_active_format) { - case FF_DTG_AFD_SAME: - default: - /* nothing to do */ - break; - case FF_DTG_AFD_4_3: - aspect_ratio = 4.0 / 3.0; - break; - case FF_DTG_AFD_16_9: - aspect_ratio = 16.0 / 9.0; - break; - case FF_DTG_AFD_14_9: - aspect_ratio = 14.0 / 9.0; - break; - case FF_DTG_AFD_4_3_SP_14_9: - aspect_ratio = 14.0 / 9.0; - break; - case FF_DTG_AFD_16_9_SP_14_9: - aspect_ratio = 14.0 / 9.0; - break; - case FF_DTG_AFD_SP_4_3: - aspect_ratio = 4.0 / 3.0; - break; - } -#endif - - if (is->subtitle_st) - { - if (is->subpq_size > 0) - { - sp = &is->subpq[is->subpq_rindex]; - - if (vp->pts >= sp->pts + ((float) sp->sub.start_display_time / 1000)) - { - SDL_LockYUVOverlay (vp->bmp); - - pict.data[0] = vp->bmp->pixels[0]; - pict.data[1] = vp->bmp->pixels[2]; - pict.data[2] = vp->bmp->pixels[1]; - - pict.linesize[0] = vp->bmp->pitches[0]; - pict.linesize[1] = vp->bmp->pitches[2]; - pict.linesize[2] = vp->bmp->pitches[1]; - - for (i = 0; i < sp->sub.num_rects; i++) - blend_subrect(&pict, &sp->sub.rects[i]); - - SDL_UnlockYUVOverlay (vp->bmp); - } - } - } - - - /* XXX: we suppose the screen has a 1.0 pixel ratio */ - height = is->height; - width = ((int)rint(height * aspect_ratio)) & -3; - if (width > is->width) { - width = is->width; - height = ((int)rint(width / aspect_ratio)) & -3; - } - x = (is->width - width) / 2; - y = (is->height - height) / 2; - if (!is->no_background) { - /* fill the background */ - // fill_border(is, x, y, width, height, QERGB(0x00, 0x00, 0x00)); - } else { - is->no_background = 0; - } - rect.x = is->xleft + x; - rect.y = is->ytop + y; - rect.w = width; - rect.h = height; - SDL_DisplayYUVOverlay(vp->bmp, &rect); - } else { -#if 0 - fill_rectangle(screen, - is->xleft, is->ytop, is->width, is->height, - QERGB(0x00, 0x00, 0x00)); -#endif - } -} - -static inline int compute_mod(int a, int b) -{ - a = a % b; - if (a >= 0) - return a; - else - return a + b; -} - -static void video_audio_display(VideoState *s) -{ - int i, i_start, x, y1, y, ys, delay, n, nb_display_channels; - int ch, channels, h, h2, bgcolor, fgcolor; - int16_t time_diff; - - /* compute display index : center on currently output samples */ - channels = s->audio_st->codec->channels; - nb_display_channels = channels; - if (!s->paused) { - n = 2 * channels; - delay = audio_write_get_buf_size(s); - delay /= n; - - /* to be more precise, we take into account the time spent since - the last buffer computation */ - if (audio_callback_time) { - time_diff = av_gettime() - audio_callback_time; - delay += (time_diff * s->audio_st->codec->sample_rate) / 1000000; - } - - delay -= s->width / 2; - if (delay < s->width) - delay = s->width; - - i_start= x = compute_mod(s->sample_array_index - delay * channels, SAMPLE_ARRAY_SIZE); - - h= INT_MIN; - for(i=0; i<1000; i+=channels){ - int idx= (SAMPLE_ARRAY_SIZE + x - i) % SAMPLE_ARRAY_SIZE; - int a= s->sample_array[idx]; - int b= s->sample_array[(idx + 4*channels)%SAMPLE_ARRAY_SIZE]; - int c= s->sample_array[(idx + 5*channels)%SAMPLE_ARRAY_SIZE]; - int d= s->sample_array[(idx + 9*channels)%SAMPLE_ARRAY_SIZE]; - int score= a-d; - if(h<score && (b^c)<0){ - h= score; - i_start= idx; - } - } - - s->last_i_start = i_start; - } else { - i_start = s->last_i_start; - } - - bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00); - fill_rectangle(screen, - s->xleft, s->ytop, s->width, s->height, - bgcolor); - - fgcolor = SDL_MapRGB(screen->format, 0xff, 0xff, 0xff); - - /* total height for one channel */ - h = s->height / nb_display_channels; - /* graph height / 2 */ - h2 = (h * 9) / 20; - for(ch = 0;ch < nb_display_channels; ch++) { - i = i_start + ch; - y1 = s->ytop + ch * h + (h / 2); /* position of center line */ - for(x = 0; x < s->width; x++) { - y = (s->sample_array[i] * h2) >> 15; - if (y < 0) { - y = -y; - ys = y1 - y; - } else { - ys = y1; - } - fill_rectangle(screen, - s->xleft + x, ys, 1, y, - fgcolor); - i += channels; - if (i >= SAMPLE_ARRAY_SIZE) - i -= SAMPLE_ARRAY_SIZE; - } - } - - fgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0xff); - - for(ch = 1;ch < nb_display_channels; ch++) { - y = s->ytop + ch * h; - fill_rectangle(screen, - s->xleft, y, s->width, 1, - fgcolor); - } - SDL_UpdateRect(screen, s->xleft, s->ytop, s->width, s->height); -} - -static int video_open(VideoState *is){ - int flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL; - int w,h; - - if(is_full_screen) flags |= SDL_FULLSCREEN; - else flags |= SDL_RESIZABLE; - - if (is_full_screen && fs_screen_width) { - w = fs_screen_width; - h = fs_screen_height; - } else if(!is_full_screen && screen_width){ - w = screen_width; - h = screen_height; - }else if (is->video_st && is->video_st->codec->width){ - w = is->video_st->codec->width; - h = is->video_st->codec->height; - } else { - w = 640; - h = 480; - } -#ifndef CONFIG_DARWIN - screen = SDL_SetVideoMode(w, h, 0, flags); -#else - /* setting bits_per_pixel = 0 or 32 causes blank video on OS X */ - screen = SDL_SetVideoMode(w, h, 24, flags); -#endif - if (!screen) { - fprintf(stderr, "SDL: could not set video mode - exiting\n"); - return -1; - } - SDL_WM_SetCaption("FFplay", "FFplay"); - - is->width = screen->w; - is->height = screen->h; - - return 0; -} - -/* display the current picture, if any */ -static void video_display(VideoState *is) -{ - if(!screen) - video_open(cur_stream); - if (is->audio_st && is->show_audio) - video_audio_display(is); - else if (is->video_st) - video_image_display(is); -} - -static Uint32 sdl_refresh_timer_cb(Uint32 interval, void *opaque) -{ - SDL_Event event; - event.type = FF_REFRESH_EVENT; - event.user.data1 = opaque; - SDL_PushEvent(&event); - return 0; /* 0 means stop timer */ -} - -/* schedule a video refresh in 'delay' ms */ -static void schedule_refresh(VideoState *is, int delay) -{ - SDL_AddTimer(delay, sdl_refresh_timer_cb, is); -} - -/* get the current audio clock value */ -static double get_audio_clock(VideoState *is) -{ - double pts; - int hw_buf_size, bytes_per_sec; - pts = is->audio_clock; - hw_buf_size = audio_write_get_buf_size(is); - bytes_per_sec = 0; - if (is->audio_st) { - bytes_per_sec = is->audio_st->codec->sample_rate * - 2 * is->audio_st->codec->channels; - } - if (bytes_per_sec) - pts -= (double)hw_buf_size / bytes_per_sec; - return pts; -} - -/* get the current video clock value */ -static double get_video_clock(VideoState *is) -{ - double delta; - if (is->paused) { - delta = 0; - } else { - delta = (av_gettime() - is->video_current_pts_time) / 1000000.0; - } - return is->video_current_pts + delta; -} - -/* get the current external clock value */ -static double get_external_clock(VideoState *is) -{ - int64_t ti; - ti = av_gettime(); - return is->external_clock + ((ti - is->external_clock_time) * 1e-6); -} - -/* get the current master clock value */ -static double get_master_clock(VideoState *is) -{ - double val; - - if (is->av_sync_type == AV_SYNC_VIDEO_MASTER) { - if (is->video_st) - val = get_video_clock(is); - else - val = get_audio_clock(is); - } else if (is->av_sync_type == AV_SYNC_AUDIO_MASTER) { - if (is->audio_st) - val = get_audio_clock(is); - else - val = get_video_clock(is); - } else { - val = get_external_clock(is); - } - return val; -} - -/* seek in the stream */ -static void stream_seek(VideoState *is, int64_t pos, int rel) -{ - if (!is->seek_req) { - is->seek_pos = pos; - is->seek_flags = rel < 0 ? AVSEEK_FLAG_BACKWARD : 0; - if (seek_by_bytes) - is->seek_flags |= AVSEEK_FLAG_BYTE; - is->seek_req = 1; - } -} - -/* pause or resume the video */ -static void stream_pause(VideoState *is) -{ - is->paused = !is->paused; - if (!is->paused) { - is->video_current_pts = get_video_clock(is); - is->frame_timer += (av_gettime() - is->video_current_pts_time) / 1000000.0; - } -} - -/* called to display each frame */ -static void video_refresh_timer(void *opaque) -{ - VideoState *is = opaque; - VideoPicture *vp; - double actual_delay, delay, sync_threshold, ref_clock, diff; - - SubPicture *sp, *sp2; - - if (is->video_st) { - if (is->pictq_size == 0) { - /* if no picture, need to wait */ - schedule_refresh(is, 1); - } else { - /* dequeue the picture */ - vp = &is->pictq[is->pictq_rindex]; - - /* update current video pts */ - is->video_current_pts = vp->pts; - is->video_current_pts_time = av_gettime(); - - /* compute nominal delay */ - delay = vp->pts - is->frame_last_pts; - if (delay <= 0 || delay >= 1.0) { - /* if incorrect delay, use previous one */ - delay = is->frame_last_delay; - } - is->frame_last_delay = delay; - is->frame_last_pts = vp->pts; - - /* update delay to follow master synchronisation source */ - if (((is->av_sync_type == AV_SYNC_AUDIO_MASTER && is->audio_st) || - is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) { - /* if video is slave, we try to correct big delays by - duplicating or deleting a frame */ - ref_clock = get_master_clock(is); - diff = vp->pts - ref_clock; - - /* skip or repeat frame. We take into account the - delay to compute the threshold. I still don't know - if it is the best guess */ - sync_threshold = AV_SYNC_THRESHOLD; - if (delay > sync_threshold) - sync_threshold = delay; - if (fabs(diff) < AV_NOSYNC_THRESHOLD) { - if (diff <= -sync_threshold) - delay = 0; - else if (diff >= sync_threshold) - delay = 2 * delay; - } - } - - is->frame_timer += delay; - /* compute the REAL delay (we need to do that to avoid - long term errors */ - actual_delay = is->frame_timer - (av_gettime() / 1000000.0); - if (actual_delay < 0.010) { - /* XXX: should skip picture */ - actual_delay = 0.010; - } - /* launch timer for next picture */ - schedule_refresh(is, (int)(actual_delay * 1000 + 0.5)); - -#if defined(DEBUG_SYNC) - printf("video: delay=%0.3f actual_delay=%0.3f pts=%0.3f A-V=%f\n", - delay, actual_delay, vp->pts, -diff); -#endif - - if(is->subtitle_st) { - if (is->subtitle_stream_changed) { - SDL_LockMutex(is->subpq_mutex); - - while (is->subpq_size) { - free_subpicture(&is->subpq[is->subpq_rindex]); - - /* update queue size and signal for next picture */ - if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE) - is->subpq_rindex = 0; - - is->subpq_size--; - } - is->subtitle_stream_changed = 0; - - SDL_CondSignal(is->subpq_cond); - SDL_UnlockMutex(is->subpq_mutex); - } else { - if (is->subpq_size > 0) { - sp = &is->subpq[is->subpq_rindex]; - - if (is->subpq_size > 1) - sp2 = &is->subpq[(is->subpq_rindex + 1) % SUBPICTURE_QUEUE_SIZE]; - else - sp2 = NULL; - - if ((is->video_current_pts > (sp->pts + ((float) sp->sub.end_display_time / 1000))) - || (sp2 && is->video_current_pts > (sp2->pts + ((float) sp2->sub.start_display_time / 1000)))) - { - free_subpicture(sp); - - /* update queue size and signal for next picture */ - if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE) - is->subpq_rindex = 0; - - SDL_LockMutex(is->subpq_mutex); - is->subpq_size--; - SDL_CondSignal(is->subpq_cond); - SDL_UnlockMutex(is->subpq_mutex); - } - } - } - } - - /* display picture */ - video_display(is); - - /* update queue size and signal for next picture */ - if (++is->pictq_rindex == VIDEO_PICTURE_QUEUE_SIZE) - is->pictq_rindex = 0; - - SDL_LockMutex(is->pictq_mutex); - is->pictq_size--; - SDL_CondSignal(is->pictq_cond); - SDL_UnlockMutex(is->pictq_mutex); - } - } else if (is->audio_st) { - /* draw the next audio frame */ - - schedule_refresh(is, 40); - - /* if only audio stream, then display the audio bars (better - than nothing, just to test the implementation */ - - /* display picture */ - video_display(is); - } else { - schedule_refresh(is, 100); - } - if (show_status) { - static int64_t last_time; - int64_t cur_time; - int aqsize, vqsize, sqsize; - double av_diff; - - cur_time = av_gettime(); - if (!last_time || (cur_time - last_time) >= 500 * 1000) { - aqsize = 0; - vqsize = 0; - sqsize = 0; - if (is->audio_st) - aqsize = is->audioq.size; - if (is->video_st) - vqsize = is->videoq.size; - if (is->subtitle_st) - sqsize = is->subtitleq.size; - av_diff = 0; - if (is->audio_st && is->video_st) - av_diff = get_audio_clock(is) - get_video_clock(is); - printf("%7.2f A-V:%7.3f aq=%5dKB vq=%5dKB sq=%5dB \r", - get_master_clock(is), av_diff, aqsize / 1024, vqsize / 1024, sqsize); - fflush(stdout); - last_time = cur_time; - } - } -} - -/* allocate a picture (needs to do that in main thread to avoid - potential locking problems */ -static void alloc_picture(void *opaque) -{ - VideoState *is = opaque; - VideoPicture *vp; - - vp = &is->pictq[is->pictq_windex]; - - if (vp->bmp) - SDL_FreeYUVOverlay(vp->bmp); - -#if 0 - /* XXX: use generic function */ - /* XXX: disable overlay if no hardware acceleration or if RGB format */ - switch(is->video_st->codec->pix_fmt) { - case PIX_FMT_YUV420P: - case PIX_FMT_YUV422P: - case PIX_FMT_YUV444P: - case PIX_FMT_YUYV422: - case PIX_FMT_YUV410P: - case PIX_FMT_YUV411P: - is_yuv = 1; - break; - default: - is_yuv = 0; - break; - } -#endif - vp->bmp = SDL_CreateYUVOverlay(is->video_st->codec->width, - is->video_st->codec->height, - SDL_YV12_OVERLAY, - screen); - vp->width = is->video_st->codec->width; - vp->height = is->video_st->codec->height; - - SDL_LockMutex(is->pictq_mutex); - vp->allocated = 1; - SDL_CondSignal(is->pictq_cond); - SDL_UnlockMutex(is->pictq_mutex); -} - -/** - * - * @param pts the dts of the pkt / pts of the frame and guessed if not known - */ -static int queue_picture(VideoState *is, AVFrame *src_frame, double pts) -{ - VideoPicture *vp; - int dst_pix_fmt; - AVPicture pict; - static struct SwsContext *img_convert_ctx; - - /* wait until we have space to put a new picture */ - SDL_LockMutex(is->pictq_mutex); - while (is->pictq_size >= VIDEO_PICTURE_QUEUE_SIZE && - !is->videoq.abort_request) { - SDL_CondWait(is->pictq_cond, is->pictq_mutex); - } - SDL_UnlockMutex(is->pictq_mutex); - - if (is->videoq.abort_request) - return -1; - - vp = &is->pictq[is->pictq_windex]; - - /* alloc or resize hardware picture buffer */ - if (!vp->bmp || - vp->width != is->video_st->codec->width || - vp->height != is->video_st->codec->height) { - SDL_Event event; - - vp->allocated = 0; - - /* the allocation must be done in the main thread to avoid - locking problems */ - event.type = FF_ALLOC_EVENT; - event.user.data1 = is; - SDL_PushEvent(&event); - - /* wait until the picture is allocated */ - SDL_LockMutex(is->pictq_mutex); - while (!vp->allocated && !is->videoq.abort_request) { - SDL_CondWait(is->pictq_cond, is->pictq_mutex); - } - SDL_UnlockMutex(is->pictq_mutex); - - if (is->videoq.abort_request) - return -1; - } - - /* if the frame is not skipped, then display it */ - if (vp->bmp) { - /* get a pointer on the bitmap */ - SDL_LockYUVOverlay (vp->bmp); - - dst_pix_fmt = PIX_FMT_YUV420P; - pict.data[0] = vp->bmp->pixels[0]; - pict.data[1] = vp->bmp->pixels[2]; - pict.data[2] = vp->bmp->pixels[1]; - - pict.linesize[0] = vp->bmp->pitches[0]; - pict.linesize[1] = vp->bmp->pitches[2]; - pict.linesize[2] = vp->bmp->pitches[1]; - 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); - } - } - sws_scale(img_convert_ctx, src_frame->data, src_frame->linesize, - 0, is->video_st->codec->height, pict.data, pict.linesize); - /* update the bitmap content */ - SDL_UnlockYUVOverlay(vp->bmp); - - vp->pts = pts; - - /* now we can update the picture count */ - if (++is->pictq_windex == VIDEO_PICTURE_QUEUE_SIZE) - is->pictq_windex = 0; - SDL_LockMutex(is->pictq_mutex); - is->pictq_size++; - SDL_UnlockMutex(is->pictq_mutex); - } - return 0; -} - -/** - * compute the exact PTS for the picture if it is omitted in the stream - * @param pts1 the dts of the pkt / pts of the frame - */ -static int output_picture2(VideoState *is, AVFrame *src_frame, double pts1) -{ - double frame_delay, pts; - - pts = pts1; - - if (pts != 0) { - /* update video clock with pts, if present */ - is->video_clock = pts; - } else { - pts = is->video_clock; - } - /* update video clock for next frame */ - frame_delay = av_q2d(is->video_st->codec->time_base); - /* for MPEG2, the frame can be repeated, so we update the - clock accordingly */ - frame_delay += src_frame->repeat_pict * (frame_delay * 0.5); - is->video_clock += frame_delay; - -#if defined(DEBUG_SYNC) && 0 - { - int ftype; - if (src_frame->pict_type == FF_B_TYPE) - ftype = 'B'; - else if (src_frame->pict_type == FF_I_TYPE) - ftype = 'I'; - else - ftype = 'P'; - printf("frame_type=%c clock=%0.3f pts=%0.3f\n", - ftype, pts, pts1); - } -#endif - return queue_picture(is, src_frame, pts); -} - -static uint64_t global_video_pkt_pts= AV_NOPTS_VALUE; - -static int my_get_buffer(struct AVCodecContext *c, AVFrame *pic){ - int ret= avcodec_default_get_buffer(c, pic); - uint64_t *pts= av_malloc(sizeof(uint64_t)); - *pts= global_video_pkt_pts; - pic->opaque= pts; - return ret; -} - -static void my_release_buffer(struct AVCodecContext *c, AVFrame *pic){ - if(pic) av_freep(&pic->opaque); - avcodec_default_release_buffer(c, pic); -} - -static int video_thread(void *arg) -{ - VideoState *is = arg; - AVPacket pkt1, *pkt = &pkt1; - int len1, got_picture; - AVFrame *frame= avcodec_alloc_frame(); - double pts; - - for(;;) { - while (is->paused && !is->videoq.abort_request) { - SDL_Delay(10); - } - if (packet_queue_get(&is->videoq, pkt, 1) < 0) - break; - - if(pkt->data == flush_pkt.data){ - avcodec_flush_buffers(is->video_st->codec); - continue; - } - - /* NOTE: ipts is the PTS of the _first_ picture beginning in - this packet, if any */ - global_video_pkt_pts= pkt->pts; - len1 = avcodec_decode_video(is->video_st->codec, - frame, &got_picture, - pkt->data, pkt->size); - - if( (decoder_reorder_pts || pkt->dts == AV_NOPTS_VALUE) - && frame->opaque && *(uint64_t*)frame->opaque != AV_NOPTS_VALUE) - pts= *(uint64_t*)frame->opaque; - else if(pkt->dts != AV_NOPTS_VALUE) - pts= pkt->dts; - else - pts= 0; - pts *= av_q2d(is->video_st->time_base); - -// if (len1 < 0) -// break; - if (got_picture) { - if (output_picture2(is, frame, pts) < 0) - goto the_end; - } - av_free_packet(pkt); - if (step) - if (cur_stream) - stream_pause(cur_stream); - } - the_end: - av_free(frame); - return 0; -} - -static int subtitle_thread(void *arg) -{ - VideoState *is = arg; - SubPicture *sp; - AVPacket pkt1, *pkt = &pkt1; - int len1, got_subtitle; - double pts; - int i, j; - int r, g, b, y, u, v, a; - - for(;;) { - while (is->paused && !is->subtitleq.abort_request) { - SDL_Delay(10); - } - if (packet_queue_get(&is->subtitleq, pkt, 1) < 0) - break; - - if(pkt->data == flush_pkt.data){ - avcodec_flush_buffers(is->subtitle_st->codec); - continue; - } - SDL_LockMutex(is->subpq_mutex); - while (is->subpq_size >= SUBPICTURE_QUEUE_SIZE && - !is->subtitleq.abort_request) { - SDL_CondWait(is->subpq_cond, is->subpq_mutex); - } - SDL_UnlockMutex(is->subpq_mutex); - - if (is->subtitleq.abort_request) - goto the_end; - - sp = &is->subpq[is->subpq_windex]; - - /* NOTE: ipts is the PTS of the _first_ picture beginning in - this packet, if any */ - pts = 0; - if (pkt->pts != AV_NOPTS_VALUE) - pts = av_q2d(is->subtitle_st->time_base)*pkt->pts; - - len1 = avcodec_decode_subtitle(is->subtitle_st->codec, - &sp->sub, &got_subtitle, - pkt->data, pkt->size); -// if (len1 < 0) -// break; - if (got_subtitle && sp->sub.format == 0) { - sp->pts = pts; - - for (i = 0; i < sp->sub.num_rects; i++) - { - for (j = 0; j < sp->sub.rects[i].nb_colors; j++) - { - RGBA_IN(r, g, b, a, sp->sub.rects[i].rgba_palette + j); - y = RGB_TO_Y_CCIR(r, g, b); - u = RGB_TO_U_CCIR(r, g, b, 0); - v = RGB_TO_V_CCIR(r, g, b, 0); - YUVA_OUT(sp->sub.rects[i].rgba_palette + j, y, u, v, a); - } - } - - /* now we can update the picture count */ - if (++is->subpq_windex == SUBPICTURE_QUEUE_SIZE) - is->subpq_windex = 0; - SDL_LockMutex(is->subpq_mutex); - is->subpq_size++; - SDL_UnlockMutex(is->subpq_mutex); - } - av_free_packet(pkt); -// if (step) -// if (cur_stream) -// stream_pause(cur_stream); - } - the_end: - return 0; -} - -/* copy samples for viewing in editor window */ -static void update_sample_display(VideoState *is, short *samples, int samples_size) -{ - int size, len, channels; - - channels = is->audio_st->codec->channels; - - size = samples_size / sizeof(short); - while (size > 0) { - len = SAMPLE_ARRAY_SIZE - is->sample_array_index; - if (len > size) - len = size; - memcpy(is->sample_array + is->sample_array_index, samples, len * sizeof(short)); - samples += len; - is->sample_array_index += len; - if (is->sample_array_index >= SAMPLE_ARRAY_SIZE) - is->sample_array_index = 0; - size -= len; - } -} - -/* return the new audio buffer size (samples can be added or deleted - to get better sync if video or external master clock) */ -static int synchronize_audio(VideoState *is, short *samples, - int samples_size1, double pts) -{ - int n, samples_size; - double ref_clock; - - n = 2 * is->audio_st->codec->channels; - samples_size = samples_size1; - - /* if not master, then we try to remove or add samples to correct the clock */ - if (((is->av_sync_type == AV_SYNC_VIDEO_MASTER && is->video_st) || - is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) { - double diff, avg_diff; - int wanted_size, min_size, max_size, nb_samples; - - ref_clock = get_master_clock(is); - diff = get_audio_clock(is) - ref_clock; - - if (diff < AV_NOSYNC_THRESHOLD) { - is->audio_diff_cum = diff + is->audio_diff_avg_coef * is->audio_diff_cum; - if (is->audio_diff_avg_count < AUDIO_DIFF_AVG_NB) { - /* not enough measures to have a correct estimate */ - is->audio_diff_avg_count++; - } else { - /* estimate the A-V difference */ - avg_diff = is->audio_diff_cum * (1.0 - is->audio_diff_avg_coef); - - if (fabs(avg_diff) >= is->audio_diff_threshold) { - wanted_size = samples_size + ((int)(diff * is->audio_st->codec->sample_rate) * n); - nb_samples = samples_size / n; - - min_size = ((nb_samples * (100 - SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n; - max_size = ((nb_samples * (100 + SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n; - if (wanted_size < min_size) - wanted_size = min_size; - else if (wanted_size > max_size) - wanted_size = max_size; - - /* add or remove samples to correction the synchro */ - if (wanted_size < samples_size) { - /* remove samples */ - samples_size = wanted_size; - } else if (wanted_size > samples_size) { - uint8_t *samples_end, *q; - int nb; - - /* add samples */ - nb = (samples_size - wanted_size); - samples_end = (uint8_t *)samples + samples_size - n; - q = samples_end + n; - while (nb > 0) { - memcpy(q, samples_end, n); - q += n; - nb -= n; - } - samples_size = wanted_size; - } - } -#if 0 - printf("diff=%f adiff=%f sample_diff=%d apts=%0.3f vpts=%0.3f %f\n", - diff, avg_diff, samples_size - samples_size1, - is->audio_clock, is->video_clock, is->audio_diff_threshold); -#endif - } - } else { - /* too big difference : may be initial PTS errors, so - reset A-V filter */ - is->audio_diff_avg_count = 0; - is->audio_diff_cum = 0; - } - } - - return samples_size; -} - -/* decode one audio frame and returns its uncompressed size */ -static int audio_decode_frame(VideoState *is, uint8_t *audio_buf, int buf_size, double *pts_ptr) -{ - AVPacket *pkt = &is->audio_pkt; - int n, len1, data_size; - double pts; - - for(;;) { - /* NOTE: the audio packet can contain several frames */ - while (is->audio_pkt_size > 0) { - data_size = buf_size; - len1 = avcodec_decode_audio2(is->audio_st->codec, - (int16_t *)audio_buf, &data_size, - is->audio_pkt_data, is->audio_pkt_size); - if (len1 < 0) { - /* if error, we skip the frame */ - is->audio_pkt_size = 0; - break; - } - - is->audio_pkt_data += len1; - is->audio_pkt_size -= len1; - if (data_size <= 0) - continue; - /* if no pts, then compute it */ - pts = is->audio_clock; - *pts_ptr = pts; - n = 2 * is->audio_st->codec->channels; - is->audio_clock += (double)data_size / - (double)(n * is->audio_st->codec->sample_rate); -#if defined(DEBUG_SYNC) - { - static double last_clock; - printf("audio: delay=%0.3f clock=%0.3f pts=%0.3f\n", - is->audio_clock - last_clock, - is->audio_clock, pts); - last_clock = is->audio_clock; - } -#endif - return data_size; - } - - /* free the current packet */ - if (pkt->data) - av_free_packet(pkt); - - if (is->paused || is->audioq.abort_request) { - return -1; - } - - /* read next packet */ - if (packet_queue_get(&is->audioq, pkt, 1) < 0) - return -1; - if(pkt->data == flush_pkt.data){ - avcodec_flush_buffers(is->audio_st->codec); - continue; - } - - is->audio_pkt_data = pkt->data; - is->audio_pkt_size = pkt->size; - - /* if update the audio clock with the pts */ - if (pkt->pts != AV_NOPTS_VALUE) { - is->audio_clock = av_q2d(is->audio_st->time_base)*pkt->pts; - } - } -} - -/* get the current audio output buffer size, in samples. With SDL, we - cannot have a precise information */ -static int audio_write_get_buf_size(VideoState *is) -{ - return is->audio_buf_size - is->audio_buf_index; -} - - -/* prepare a new audio buffer */ -void sdl_audio_callback(void *opaque, Uint8 *stream, int len) -{ - VideoState *is = opaque; - int audio_size, len1; - double pts; - - audio_callback_time = av_gettime(); - - while (len > 0) { - if (is->audio_buf_index >= is->audio_buf_size) { - audio_size = audio_decode_frame(is, is->audio_buf, sizeof(is->audio_buf), &pts); - if (audio_size < 0) { - /* if error, just output silence */ - is->audio_buf_size = 1024; - memset(is->audio_buf, 0, is->audio_buf_size); - } else { - if (is->show_audio) - update_sample_display(is, (int16_t *)is->audio_buf, audio_size); - audio_size = synchronize_audio(is, (int16_t *)is->audio_buf, audio_size, - pts); - is->audio_buf_size = audio_size; - } - is->audio_buf_index = 0; - } - len1 = is->audio_buf_size - is->audio_buf_index; - if (len1 > len) - len1 = len; - memcpy(stream, (uint8_t *)is->audio_buf + is->audio_buf_index, len1); - len -= len1; - stream += len1; - is->audio_buf_index += len1; - } -} - -/* open a given stream. Return 0 if OK */ -static int stream_component_open(VideoState *is, int stream_index) -{ - AVFormatContext *ic = is->ic; - AVCodecContext *enc; - AVCodec *codec; - SDL_AudioSpec wanted_spec, spec; - - if (stream_index < 0 || stream_index >= ic->nb_streams) - return -1; - enc = ic->streams[stream_index]->codec; - - /* prepare audio output */ - if (enc->codec_type == CODEC_TYPE_AUDIO) { - wanted_spec.freq = enc->sample_rate; - wanted_spec.format = AUDIO_S16SYS; - /* hack for AC3. XXX: suppress that */ - if (enc->channels > 2) - enc->channels = 2; - wanted_spec.channels = enc->channels; - wanted_spec.silence = 0; - wanted_spec.samples = SDL_AUDIO_BUFFER_SIZE; - wanted_spec.callback = sdl_audio_callback; - wanted_spec.userdata = is; - if (SDL_OpenAudio(&wanted_spec, &spec) < 0) { - fprintf(stderr, "SDL_OpenAudio: %s\n", SDL_GetError()); - return -1; - } - is->audio_hw_buf_size = spec.size; - } - - codec = avcodec_find_decoder(enc->codec_id); - enc->debug_mv = debug_mv; - enc->debug = debug; - enc->workaround_bugs = workaround_bugs; - enc->lowres = lowres; - if(lowres) enc->flags |= CODEC_FLAG_EMU_EDGE; - enc->idct_algo= idct; - if(fast) enc->flags2 |= CODEC_FLAG2_FAST; - enc->skip_frame= skip_frame; - enc->skip_idct= skip_idct; - enc->skip_loop_filter= skip_loop_filter; - enc->error_resilience= error_resilience; - enc->error_concealment= error_concealment; - if (!codec || - avcodec_open(enc, codec) < 0) - return -1; - if(thread_count>1) - avcodec_thread_init(enc, thread_count); - enc->thread_count= thread_count; - switch(enc->codec_type) { - case CODEC_TYPE_AUDIO: - is->audio_stream = stream_index; - is->audio_st = ic->streams[stream_index]; - is->audio_buf_size = 0; - is->audio_buf_index = 0; - - /* init averaging filter */ - is->audio_diff_avg_coef = exp(log(0.01) / AUDIO_DIFF_AVG_NB); - is->audio_diff_avg_count = 0; - /* since we do not have a precise anough audio fifo fullness, - we correct audio sync only if larger than this threshold */ - is->audio_diff_threshold = 2.0 * SDL_AUDIO_BUFFER_SIZE / enc->sample_rate; - - memset(&is->audio_pkt, 0, sizeof(is->audio_pkt)); - packet_queue_init(&is->audioq); - SDL_PauseAudio(0); - break; - case CODEC_TYPE_VIDEO: - is->video_stream = stream_index; - is->video_st = ic->streams[stream_index]; - - is->frame_last_delay = 40e-3; - is->frame_timer = (double)av_gettime() / 1000000.0; - is->video_current_pts_time = av_gettime(); - - packet_queue_init(&is->videoq); - is->video_tid = SDL_CreateThread(video_thread, is); - - enc-> get_buffer= my_get_buffer; - enc->release_buffer= my_release_buffer; - break; - case CODEC_TYPE_SUBTITLE: - is->subtitle_stream = stream_index; - is->subtitle_st = ic->streams[stream_index]; - packet_queue_init(&is->subtitleq); - - is->subtitle_tid = SDL_CreateThread(subtitle_thread, is); - break; - default: - break; - } - return 0; -} - -static void stream_component_close(VideoState *is, int stream_index) -{ - AVFormatContext *ic = is->ic; - AVCodecContext *enc; - - if (stream_index < 0 || stream_index >= ic->nb_streams) - return; - enc = ic->streams[stream_index]->codec; - - switch(enc->codec_type) { - case CODEC_TYPE_AUDIO: - packet_queue_abort(&is->audioq); - - SDL_CloseAudio(); - - packet_queue_end(&is->audioq); - break; - case CODEC_TYPE_VIDEO: - packet_queue_abort(&is->videoq); - - /* note: we also signal this mutex to make sure we deblock the - video thread in all cases */ - SDL_LockMutex(is->pictq_mutex); - SDL_CondSignal(is->pictq_cond); - SDL_UnlockMutex(is->pictq_mutex); - - SDL_WaitThread(is->video_tid, NULL); - - packet_queue_end(&is->videoq); - break; - case CODEC_TYPE_SUBTITLE: - packet_queue_abort(&is->subtitleq); - - /* note: we also signal this mutex to make sure we deblock the - video thread in all cases */ - SDL_LockMutex(is->subpq_mutex); - is->subtitle_stream_changed = 1; - - SDL_CondSignal(is->subpq_cond); - SDL_UnlockMutex(is->subpq_mutex); - - SDL_WaitThread(is->subtitle_tid, NULL); - - packet_queue_end(&is->subtitleq); - break; - default: - break; - } - - avcodec_close(enc); - switch(enc->codec_type) { - case CODEC_TYPE_AUDIO: - is->audio_st = NULL; - is->audio_stream = -1; - break; - case CODEC_TYPE_VIDEO: - is->video_st = NULL; - is->video_stream = -1; - break; - case CODEC_TYPE_SUBTITLE: - is->subtitle_st = NULL; - is->subtitle_stream = -1; - break; - default: - break; - } -} - -static void dump_stream_info(const AVFormatContext *s) -{ - if (s->track != 0) - fprintf(stderr, "Track: %d\n", s->track); - if (s->title[0] != '\0') - fprintf(stderr, "Title: %s\n", s->title); - if (s->author[0] != '\0') - fprintf(stderr, "Author: %s\n", s->author); - if (s->copyright[0] != '\0') - fprintf(stderr, "Copyright: %s\n", s->copyright); - if (s->comment[0] != '\0') - fprintf(stderr, "Comment: %s\n", s->comment); - if (s->album[0] != '\0') - fprintf(stderr, "Album: %s\n", s->album); - if (s->year != 0) - fprintf(stderr, "Year: %d\n", s->year); - if (s->genre[0] != '\0') - fprintf(stderr, "Genre: %s\n", s->genre); -} - -/* since we have only one decoding thread, we can use a global - variable instead of a thread local variable */ -static VideoState *global_video_state; - -static int decode_interrupt_cb(void) -{ - return (global_video_state && global_video_state->abort_request); -} - -/* this thread gets the stream from the disk or the network */ -static int decode_thread(void *arg) -{ - VideoState *is = arg; - AVFormatContext *ic; - int err, i, ret, video_index, audio_index, use_play; - AVPacket pkt1, *pkt = &pkt1; - AVFormatParameters params, *ap = ¶ms; - - video_index = -1; - audio_index = -1; - is->video_stream = -1; - is->audio_stream = -1; - is->subtitle_stream = -1; - - global_video_state = is; - url_set_interrupt_cb(decode_interrupt_cb); - - memset(ap, 0, sizeof(*ap)); - ap->initial_pause = 1; /* we force a pause when starting an RTSP - stream */ - - ap->width = frame_width; - ap->height= frame_height; - ap->time_base= (AVRational){1, 25}; - ap->pix_fmt = frame_pix_fmt; - - err = av_open_input_file(&ic, is->filename, is->iformat, 0, ap); - if (err < 0) { - print_error(is->filename, err); - ret = -1; - goto fail; - } - is->ic = ic; -#ifdef CONFIG_NETWORK - use_play = (ic->iformat == &rtsp_demuxer); -#else - use_play = 0; -#endif - - if(genpts) - ic->flags |= AVFMT_FLAG_GENPTS; - - if (!use_play) { - err = av_find_stream_info(ic); - if (err < 0) { - fprintf(stderr, "%s: could not find codec parameters\n", is->filename); - ret = -1; - goto fail; - } - ic->pb.eof_reached= 0; //FIXME hack, ffplay maybe shouldnt use url_feof() to test for the end - } - - /* if seeking requested, we execute it */ - if (start_time != AV_NOPTS_VALUE) { - int64_t timestamp; - - timestamp = start_time; - /* add the stream start time */ - if (ic->start_time != AV_NOPTS_VALUE) - timestamp += ic->start_time; - ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD); - if (ret < 0) { - fprintf(stderr, "%s: could not seek to position %0.3f\n", - is->filename, (double)timestamp / AV_TIME_BASE); - } - } - - /* now we can begin to play (RTSP stream only) */ - av_read_play(ic); - - if (use_play) { - err = av_find_stream_info(ic); - if (err < 0) { - fprintf(stderr, "%s: could not find codec parameters\n", is->filename); - ret = -1; - goto fail; - } - } - - for(i = 0; i < ic->nb_streams; i++) { - AVCodecContext *enc = ic->streams[i]->codec; - switch(enc->codec_type) { - case CODEC_TYPE_AUDIO: - if ((audio_index < 0 || wanted_audio_stream-- > 0) && !audio_disable) - audio_index = i; - break; - case CODEC_TYPE_VIDEO: - if (video_index < 0 && !video_disable) - video_index = i; - break; - default: - break; - } - } - if (show_status) { - dump_format(ic, 0, is->filename, 0); - dump_stream_info(ic); - } - - /* open the streams */ - if (audio_index >= 0) { - stream_component_open(is, audio_index); - } - - if (video_index >= 0) { - stream_component_open(is, video_index); - } else { - if (!display_disable) - is->show_audio = 1; - } - - if (is->video_stream < 0 && is->audio_stream < 0) { - fprintf(stderr, "%s: could not open codecs\n", is->filename); - ret = -1; - goto fail; - } - - for(;;) { - if (is->abort_request) - break; -#ifdef CONFIG_NETWORK - if (is->paused != is->last_paused) { - is->last_paused = is->paused; - if (is->paused) - av_read_pause(ic); - else - av_read_play(ic); - } - if (is->paused && ic->iformat == &rtsp_demuxer) { - /* wait 10 ms to avoid trying to get another packet */ - /* XXX: horrible */ - SDL_Delay(10); - continue; - } -#endif - if (is->seek_req) { - int stream_index= -1; - int64_t seek_target= is->seek_pos; - - if (is-> video_stream >= 0) stream_index= is-> video_stream; - else if(is-> audio_stream >= 0) stream_index= is-> audio_stream; - else if(is->subtitle_stream >= 0) stream_index= is->subtitle_stream; - - if(stream_index>=0){ - seek_target= av_rescale_q(seek_target, AV_TIME_BASE_Q, ic->streams[stream_index]->time_base); - } - - ret = av_seek_frame(is->ic, stream_index, seek_target, is->seek_flags); - if (ret < 0) { - fprintf(stderr, "%s: error while seeking\n", is->ic->filename); - }else{ - if (is->audio_stream >= 0) { - packet_queue_flush(&is->audioq); - packet_queue_put(&is->audioq, &flush_pkt); - } - if (is->subtitle_stream >= 0) { - packet_queue_flush(&is->subtitleq); - packet_queue_put(&is->subtitleq, &flush_pkt); - } - if (is->video_stream >= 0) { - packet_queue_flush(&is->videoq); - packet_queue_put(&is->videoq, &flush_pkt); - } - } - is->seek_req = 0; - } - - /* if the queue are full, no need to read more */ - if (is->audioq.size > MAX_AUDIOQ_SIZE || - is->videoq.size > MAX_VIDEOQ_SIZE || - is->subtitleq.size > MAX_SUBTITLEQ_SIZE || - url_feof(&ic->pb)) { - /* wait 10 ms */ - SDL_Delay(10); - continue; - } - ret = av_read_frame(ic, pkt); - if (ret < 0) { - if (url_ferror(&ic->pb) == 0) { - SDL_Delay(100); /* wait for user event */ - continue; - } else - break; - } - if (pkt->stream_index == is->audio_stream) { - packet_queue_put(&is->audioq, pkt); - } else if (pkt->stream_index == is->video_stream) { - packet_queue_put(&is->videoq, pkt); - } else if (pkt->stream_index == is->subtitle_stream) { - packet_queue_put(&is->subtitleq, pkt); - } else { - av_free_packet(pkt); - } - } - /* wait until the end */ - while (!is->abort_request) { - SDL_Delay(100); - } - - ret = 0; - fail: - /* disable interrupting */ - global_video_state = NULL; - - /* close each stream */ - if (is->audio_stream >= 0) - stream_component_close(is, is->audio_stream); - if (is->video_stream >= 0) - stream_component_close(is, is->video_stream); - if (is->subtitle_stream >= 0) - stream_component_close(is, is->subtitle_stream); - if (is->ic) { - av_close_input_file(is->ic); - is->ic = NULL; /* safety */ - } - url_set_interrupt_cb(NULL); - - if (ret != 0) { - SDL_Event event; - - event.type = FF_QUIT_EVENT; - event.user.data1 = is; - SDL_PushEvent(&event); - } - return 0; -} - -static VideoState *stream_open(const char *filename, AVInputFormat *iformat) -{ - VideoState *is; - - is = av_mallocz(sizeof(VideoState)); - if (!is) - return NULL; - pstrcpy(is->filename, sizeof(is->filename), filename); - is->iformat = iformat; - is->ytop = 0; - is->xleft = 0; - - /* start video display */ - is->pictq_mutex = SDL_CreateMutex(); - is->pictq_cond = SDL_CreateCond(); - - is->subpq_mutex = SDL_CreateMutex(); - is->subpq_cond = SDL_CreateCond(); - - /* add the refresh timer to draw the picture */ - schedule_refresh(is, 40); - - is->av_sync_type = av_sync_type; - is->parse_tid = SDL_CreateThread(decode_thread, is); - if (!is->parse_tid) { - av_free(is); - return NULL; - } - return is; -} - -static void stream_close(VideoState *is) -{ - VideoPicture *vp; - int i; - /* XXX: use a special url_shutdown call to abort parse cleanly */ - is->abort_request = 1; - SDL_WaitThread(is->parse_tid, NULL); - - /* free all pictures */ - for(i=0;i<VIDEO_PICTURE_QUEUE_SIZE; i++) { - vp = &is->pictq[i]; - if (vp->bmp) { - SDL_FreeYUVOverlay(vp->bmp); - vp->bmp = NULL; - } - } - SDL_DestroyMutex(is->pictq_mutex); - SDL_DestroyCond(is->pictq_cond); - SDL_DestroyMutex(is->subpq_mutex); - SDL_DestroyCond(is->subpq_cond); -} - -static void stream_cycle_channel(VideoState *is, int codec_type) -{ - AVFormatContext *ic = is->ic; - int start_index, stream_index; - AVStream *st; - - if (codec_type == CODEC_TYPE_VIDEO) - start_index = is->video_stream; - else if (codec_type == CODEC_TYPE_AUDIO) - start_index = is->audio_stream; - else - start_index = is->subtitle_stream; - if (start_index < (codec_type == CODEC_TYPE_SUBTITLE ? -1 : 0)) - return; - stream_index = start_index; - for(;;) { - if (++stream_index >= is->ic->nb_streams) - { - if (codec_type == CODEC_TYPE_SUBTITLE) - { - stream_index = -1; - goto the_end; - } else - stream_index = 0; - } - if (stream_index == start_index) - return; - st = ic->streams[stream_index]; - if (st->codec->codec_type == codec_type) { - /* check that parameters are OK */ - switch(codec_type) { - case CODEC_TYPE_AUDIO: - if (st->codec->sample_rate != 0 && - st->codec->channels != 0) - goto the_end; - break; - case CODEC_TYPE_VIDEO: - case CODEC_TYPE_SUBTITLE: - goto the_end; - default: - break; - } - } - } - the_end: - stream_component_close(is, start_index); - stream_component_open(is, stream_index); -} - - -static void toggle_full_screen(void) -{ - is_full_screen = !is_full_screen; - if (!fs_screen_width) { - /* use default SDL method */ -// SDL_WM_ToggleFullScreen(screen); - } - video_open(cur_stream); -} - -static void toggle_pause(void) -{ - if (cur_stream) - stream_pause(cur_stream); - step = 0; -} - -static void step_to_next_frame(void) -{ - if (cur_stream) { - if (cur_stream->paused) - cur_stream->paused=0; - cur_stream->video_current_pts = get_video_clock(cur_stream); - } - step = 1; -} - -static void do_exit(void) -{ - if (cur_stream) { - stream_close(cur_stream); - cur_stream = NULL; - } - if (show_status) - printf("\n"); - SDL_Quit(); - exit(0); -} - -static void toggle_audio_display(void) -{ - if (cur_stream) { - cur_stream->show_audio = !cur_stream->show_audio; - } -} - -/* handle an event sent by the GUI */ -static void event_loop(void) -{ - SDL_Event event; - double incr, pos, frac; - - for(;;) { - SDL_WaitEvent(&event); - switch(event.type) { - case SDL_KEYDOWN: - switch(event.key.keysym.sym) { - case SDLK_ESCAPE: - case SDLK_q: - do_exit(); - break; - case SDLK_f: - toggle_full_screen(); - break; - case SDLK_p: - case SDLK_SPACE: - toggle_pause(); - break; - case SDLK_s: //S: Step to next frame - step_to_next_frame(); - break; - case SDLK_a: - if (cur_stream) - stream_cycle_channel(cur_stream, CODEC_TYPE_AUDIO); - break; - case SDLK_v: - if (cur_stream) - stream_cycle_channel(cur_stream, CODEC_TYPE_VIDEO); - break; - case SDLK_t: - if (cur_stream) - stream_cycle_channel(cur_stream, CODEC_TYPE_SUBTITLE); - break; - case SDLK_w: - toggle_audio_display(); - break; - case SDLK_LEFT: - incr = -10.0; - goto do_seek; - case SDLK_RIGHT: - incr = 10.0; - goto do_seek; - case SDLK_UP: - incr = 60.0; - goto do_seek; - case SDLK_DOWN: - incr = -60.0; - do_seek: - if (cur_stream) { - if (seek_by_bytes) { - pos = url_ftell(&cur_stream->ic->pb); - if (cur_stream->ic->bit_rate) - incr *= cur_stream->ic->bit_rate / 60.0; - else - incr *= 180000.0; - pos += incr; - stream_seek(cur_stream, pos, incr); - } else { - pos = get_master_clock(cur_stream); - pos += incr; - stream_seek(cur_stream, (int64_t)(pos * AV_TIME_BASE), incr); - } - } - break; - default: - break; - } - break; - case SDL_MOUSEBUTTONDOWN: - if (cur_stream) { - int ns, hh, mm, ss; - int tns, thh, tmm, tss; - tns = cur_stream->ic->duration/1000000LL; - thh = tns/3600; - tmm = (tns%3600)/60; - tss = (tns%60); - frac = (double)event.button.x/(double)cur_stream->width; - ns = frac*tns; - hh = ns/3600; - mm = (ns%3600)/60; - ss = (ns%60); - fprintf(stderr, "Seek to %2.0f%% (%2d:%02d:%02d) of total duration (%2d:%02d:%02d) \n", frac*100, - hh, mm, ss, thh, tmm, tss); - stream_seek(cur_stream, (int64_t)(cur_stream->ic->start_time+frac*cur_stream->ic->duration), 0); - } - break; - case SDL_VIDEORESIZE: - if (cur_stream) { - screen = SDL_SetVideoMode(event.resize.w, event.resize.h, 0, - SDL_HWSURFACE|SDL_RESIZABLE|SDL_ASYNCBLIT|SDL_HWACCEL); - screen_width = cur_stream->width = event.resize.w; - screen_height= cur_stream->height= event.resize.h; - } - break; - case SDL_QUIT: - case FF_QUIT_EVENT: - do_exit(); - break; - case FF_ALLOC_EVENT: - video_open(event.user.data1); - alloc_picture(event.user.data1); - break; - case FF_REFRESH_EVENT: - video_refresh_timer(event.user.data1); - break; - default: - break; - } - } -} - -static void opt_frame_size(const char *arg) -{ - if (parse_image_size(&frame_width, &frame_height, arg) < 0) { - fprintf(stderr, "Incorrect frame size\n"); - exit(1); - } - if ((frame_width % 2) != 0 || (frame_height % 2) != 0) { - fprintf(stderr, "Frame size must be a multiple of 2\n"); - exit(1); - } -} - -void opt_width(const char *arg) -{ - screen_width = atoi(arg); - if(screen_width<=0){ - fprintf(stderr, "invalid width\n"); - exit(1); - } -} - -void opt_height(const char *arg) -{ - screen_height = atoi(arg); - if(screen_height<=0){ - fprintf(stderr, "invalid height\n"); - exit(1); - } -} - -static void opt_format(const char *arg) -{ - file_iformat = av_find_input_format(arg); - if (!file_iformat) { - fprintf(stderr, "Unknown input format: %s\n", arg); - exit(1); - } -} - -static void opt_frame_pix_fmt(const char *arg) -{ - frame_pix_fmt = avcodec_get_pix_fmt(arg); -} - -#ifdef CONFIG_NETWORK -void opt_rtp_tcp(void) -{ - /* only tcp protocol */ - rtsp_default_protocols = (1 << RTSP_PROTOCOL_RTP_TCP); -} -#endif - -void opt_sync(const char *arg) -{ - if (!strcmp(arg, "audio")) - av_sync_type = AV_SYNC_AUDIO_MASTER; - else if (!strcmp(arg, "video")) - av_sync_type = AV_SYNC_VIDEO_MASTER; - else if (!strcmp(arg, "ext")) - av_sync_type = AV_SYNC_EXTERNAL_CLOCK; - else - show_help(); -} - -void opt_seek(const char *arg) -{ - start_time = parse_date(arg, 1); -} - -static void opt_debug(const char *arg) -{ - av_log_level = 99; - debug = atoi(arg); -} - -static void opt_vismv(const char *arg) -{ - debug_mv = atoi(arg); -} - -static void opt_thread_count(const char *arg) -{ - thread_count= atoi(arg); -#if !defined(HAVE_THREADS) - fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n"); -#endif -} - -const OptionDef options[] = { - { "h", 0, {(void*)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" }, - { "fs", OPT_BOOL, {(void*)&is_full_screen}, "force full screen" }, - { "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}, "", "" }, - { "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" }, - { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" }, - { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" }, - { "stats", OPT_BOOL | OPT_EXPERT, {(void*)&show_status}, "show status", "" }, - { "debug", HAS_ARG | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" }, - { "bug", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&workaround_bugs}, "workaround bugs", "" }, - { "vismv", HAS_ARG | OPT_EXPERT, {(void*)opt_vismv}, "visualize motion vectors", "" }, - { "fast", OPT_BOOL | OPT_EXPERT, {(void*)&fast}, "non spec compliant optimizations", "" }, - { "genpts", OPT_BOOL | OPT_EXPERT, {(void*)&genpts}, "generate pts", "" }, - { "drp", OPT_BOOL |OPT_EXPERT, {(void*)&decoder_reorder_pts}, "let decoder reorder pts", ""}, - { "lowres", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&lowres}, "", "" }, - { "skiploop", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_loop_filter}, "", "" }, - { "skipframe", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_frame}, "", "" }, - { "skipidct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_idct}, "", "" }, - { "idct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&idct}, "set idct algo", "algo" }, - { "er", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_resilience}, "set error detection threshold (0-4)", "threshold" }, - { "ec", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_concealment}, "set error concealment options", "bit_mask" }, -#ifdef CONFIG_NETWORK - { "rtp_tcp", OPT_EXPERT, {(void*)&opt_rtp_tcp}, "force RTP/TCP protocol usage", "" }, -#endif - { "sync", HAS_ARG | OPT_EXPERT, {(void*)opt_sync}, "set audio-video sync. type (type=audio/video/ext)", "type" }, - { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" }, - { NULL, }, -}; - -void show_help(void) -{ - printf("ffplay version " FFMPEG_VERSION ", Copyright (c) 2003-2006 Fabrice Bellard, et al.\n" - "usage: ffplay [options] input_file\n" - "Simple media player\n"); - printf("\n"); - show_help_options(options, "Main options:\n", - OPT_EXPERT, 0); - show_help_options(options, "\nAdvanced options:\n", - OPT_EXPERT, OPT_EXPERT); - printf("\nWhile playing:\n" - "q, ESC quit\n" - "f toggle full screen\n" - "p, SPC pause\n" - "a cycle audio channel\n" - "v cycle video channel\n" - "t cycle subtitle channel\n" - "w show audio waves\n" - "left/right seek backward/forward 10 seconds\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) -{ - if (!strcmp(filename, "-")) - filename = "pipe:"; - input_filename = filename; -} - -/* Called from the main */ -int main(int argc, char **argv) -{ - int flags; - - /* 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) - show_help(); - - if (display_disable) { - video_disable = 1; - } - flags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER; -#if !defined(__MINGW32__) && !defined(CONFIG_DARWIN) - flags |= SDL_INIT_EVENTTHREAD; /* Not supported on win32 or darwin */ -#endif - if (SDL_Init (flags)) { - fprintf(stderr, "Could not initialize SDL - %s\n", SDL_GetError()); - exit(1); - } - - if (!display_disable) { -#ifdef HAVE_SDL_VIDEO_SIZE - const SDL_VideoInfo *vi = SDL_GetVideoInfo(); - fs_screen_width = vi->current_w; - fs_screen_height = vi->current_h; -#endif - } - - SDL_EventState(SDL_ACTIVEEVENT, SDL_IGNORE); - SDL_EventState(SDL_MOUSEMOTION, SDL_IGNORE); - SDL_EventState(SDL_SYSWMEVENT, SDL_IGNORE); - SDL_EventState(SDL_USEREVENT, SDL_IGNORE); - - av_init_packet(&flush_pkt); - flush_pkt.data= "FLUSH"; - - cur_stream = stream_open(input_filename, file_iformat); - - event_loop(); - - /* never returns */ - - return 0; -} |