From 601d694829fd572d9f18a52c775cae958abc4d2c Mon Sep 17 00:00:00 2001 From: reimar Date: Mon, 9 Mar 2009 13:11:37 +0000 Subject: Remove native nuv demuxer, it only needs more code to achieve the same thing as the libavformat demuxer. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@28907 b3059339-0415-0410-9bf9-f77b7e298cf2 --- libmpdemux/demux_nuv.c | 461 ------------------------------------------------- libmpdemux/demuxer.c | 2 - 2 files changed, 463 deletions(-) delete mode 100644 libmpdemux/demux_nuv.c (limited to 'libmpdemux') diff --git a/libmpdemux/demux_nuv.c b/libmpdemux/demux_nuv.c deleted file mode 100644 index 2ca1d2b452..0000000000 --- a/libmpdemux/demux_nuv.c +++ /dev/null @@ -1,461 +0,0 @@ -/* - * NuppelVideo 0.05 file parser - * for MPlayer - * by Panagiotis Issaris - * - * Reworked by alex - */ - -#include -#include -#include - -#include "config.h" -#include "mp_msg.h" -#include "help_mp.h" -#include "stream/stream.h" -#include "demuxer.h" -#include "stheader.h" -#include "nuppelvideo.h" - - -struct nuv_signature -{ - char finfo[12]; /* "NuppelVideo" + \0 */ - char version[5]; /* "0.05" + \0 */ -}; - -typedef struct nuv_position_t nuv_position_t; - -struct nuv_position_t -{ - off_t offset; - float time; - int frame; - nuv_position_t* next; -}; - -typedef struct nuv_info_t -{ - int current_audio_frame; - int current_video_frame; - nuv_position_t *index_list; - nuv_position_t *current_position; -} nuv_priv_t; - -/** - * \brief find best matching bitrate (in kbps) out of a table - * \param bitrate bitrate to find best match for - * \return best match from table - */ -static int nearestBitrate(int bitrate) { - const int rates[17] = {8000, 16000, 24000, 32000, 40000, 48000, 56000, - 64000, 80000, 96000, 112000, 128000, 160000, - 192000, 224000, 256000, 320000}; - int i; - for (i = 0; i < 16; i++) { - if ((rates[i] + rates[i + 1]) / 2 > bitrate) - break; - } - return rates[i]; -} - -/** - * Seek to a position relative to the current position, indicated in time. - */ -static void demux_seek_nuv ( demuxer_t *demuxer, float rel_seek_secs, float audio_delay, int flags ) -{ -#define MAX_TIME 1000000 - nuv_priv_t* priv = demuxer->priv; - struct rtframeheader rtjpeg_frameheader; - off_t orig_pos; - off_t curr_pos; - float current_time = 0; - float start_time = MAX_TIME; - float target_time = start_time + rel_seek_secs * 1000; /* target_time, start_time are ms, rel_seek_secs s */ - - orig_pos = stream_tell ( demuxer->stream ); - - if ( rel_seek_secs > 0 ) - { - /* Seeking forward */ - - - while(current_time < target_time ) - { - if (stream_read ( demuxer->stream, (char*)& rtjpeg_frameheader, sizeof ( rtjpeg_frameheader ) ) < sizeof(rtjpeg_frameheader)) - return; /* EOF */ - le2me_rtframeheader(&rtjpeg_frameheader); - - if ( rtjpeg_frameheader.frametype == 'V' ) - { - priv->current_position->next = (nuv_position_t*) malloc ( sizeof ( nuv_position_t ) ); - priv->current_position = priv->current_position->next; - priv->current_position->frame = priv->current_video_frame++; - priv->current_position->time = rtjpeg_frameheader.timecode; - priv->current_position->offset = orig_pos; - priv->current_position->next = NULL; - - if ( start_time == MAX_TIME ) - { - start_time = rtjpeg_frameheader.timecode; - /* Recalculate target time with real start time */ - target_time = start_time + rel_seek_secs*1000; - } - - current_time = rtjpeg_frameheader.timecode; - - curr_pos = stream_tell ( demuxer->stream ); - stream_seek ( demuxer->stream, curr_pos + rtjpeg_frameheader.packetlength ); - - /* Adjust current sequence pointer */ - } - else if ( rtjpeg_frameheader.frametype == 'A' ) - { - if ( start_time == MAX_TIME ) - { - start_time = rtjpeg_frameheader.timecode; - /* Recalculate target time with real start time */ - target_time = start_time + rel_seek_secs * 1000; - } - current_time = rtjpeg_frameheader.timecode; - - - curr_pos = stream_tell ( demuxer->stream ); - stream_seek ( demuxer->stream, curr_pos + rtjpeg_frameheader.packetlength ); - } - } - } - else - { - /* Seeking backward */ - nuv_position_t* p; - start_time = priv->current_position->time; - - /* Recalculate target time with real start time */ - target_time = start_time + rel_seek_secs * 1000; - - - if(target_time < 0) - target_time = 0; - - // Search the target time in the index list, get the offset - // and go to that offset. - p = priv->index_list; - while ( ( p->next != NULL ) && ( p->time < target_time ) ) - { - p = p->next; - } - stream_seek ( demuxer->stream, p->offset ); - priv->current_video_frame = p->frame; - } -} - - -static int demux_nuv_fill_buffer ( demuxer_t *demuxer, demux_stream_t *ds ) -{ - struct rtframeheader rtjpeg_frameheader; - off_t orig_pos; - nuv_priv_t* priv = demuxer->priv; - int want_audio = (demuxer->audio)&&(demuxer->audio->id!=-2); - - demuxer->filepos = orig_pos = stream_tell ( demuxer->stream ); - if (stream_read ( demuxer->stream, (char*)& rtjpeg_frameheader, sizeof ( rtjpeg_frameheader ) ) < sizeof(rtjpeg_frameheader)) - return 0; /* EOF */ - le2me_rtframeheader(&rtjpeg_frameheader); - -#if 0 - printf("NUV frame: frametype: %c, comptype: %c, packetlength: %d\n", - rtjpeg_frameheader.frametype, rtjpeg_frameheader.comptype, - rtjpeg_frameheader.packetlength); -#endif - - /* Skip Seekpoint, Extended header and Sync for now */ - if ((rtjpeg_frameheader.frametype == 'R') || - (rtjpeg_frameheader.frametype == 'X') || - (rtjpeg_frameheader.frametype == 'S')) - return 1; - - /* Skip seektable and text (these have a payload) */ - if ((rtjpeg_frameheader.frametype == 'Q') || - (rtjpeg_frameheader.frametype == 'T')) { - stream_skip(demuxer->stream, rtjpeg_frameheader.packetlength); - return 1; - } - - if (((rtjpeg_frameheader.frametype == 'D') && - (rtjpeg_frameheader.comptype == 'R')) || - (rtjpeg_frameheader.frametype == 'V')) - { - if ( rtjpeg_frameheader.frametype == 'V' ) - { - priv->current_video_frame++; - priv->current_position->next = (nuv_position_t*) malloc(sizeof(nuv_position_t)); - priv->current_position = priv->current_position->next; - priv->current_position->frame = priv->current_video_frame; - priv->current_position->time = rtjpeg_frameheader.timecode; - priv->current_position->offset = orig_pos; - priv->current_position->next = NULL; - } - /* put RTjpeg tables, Video info to video buffer */ - stream_seek ( demuxer->stream, orig_pos ); - ds_read_packet ( demuxer->video, demuxer->stream, rtjpeg_frameheader.packetlength + 12, - rtjpeg_frameheader.timecode*0.001, orig_pos, 0 ); - - - } else - if (demuxer->audio && (rtjpeg_frameheader.frametype == 'A')) - { - priv->current_audio_frame++; - if (want_audio) { - /* put Audio to audio buffer */ - ds_read_packet ( demuxer->audio, demuxer->stream, - rtjpeg_frameheader.packetlength, - rtjpeg_frameheader.timecode*0.001, - orig_pos + 12, 0 ); - } else { - /* skip audio block */ - stream_skip ( demuxer->stream, - rtjpeg_frameheader.packetlength ); - } - } - - return 1; -} - -/* Scan for the extended data in MythTV nuv streams */ -static int demux_xscan_nuv(demuxer_t* demuxer, int width, int height) { - int i; - off_t orig_pos = stream_tell(demuxer->stream); - struct rtframeheader rtjpeg_frameheader; - struct extendeddata ext; - sh_video_t* sh_video = demuxer->video->sh; - sh_audio_t* sh_audio = demuxer->audio->sh; - - for (i = 0; i < 2; ++i) { - if (stream_read(demuxer->stream, (char*)&rtjpeg_frameheader, - sizeof(rtjpeg_frameheader)) < sizeof(rtjpeg_frameheader)) - goto out; - le2me_rtframeheader(&rtjpeg_frameheader); - - if (rtjpeg_frameheader.frametype != 'X') - stream_skip(demuxer->stream, rtjpeg_frameheader.packetlength); - } - - if ( rtjpeg_frameheader.frametype != 'X' ) - goto out; - - if (rtjpeg_frameheader.packetlength != sizeof(ext)) { - mp_msg(MSGT_DEMUXER, MSGL_WARN, - "NUV extended frame does not have expected length, ignoring\n"); - goto out; - } - - if (stream_read(demuxer->stream, (char*)&ext, sizeof(ext)) < sizeof(ext)) - goto out; - le2me_extendeddata(&ext); - - if (ext.version != 1) { - mp_msg(MSGT_DEMUXER, MSGL_WARN, - "NUV extended frame has unknown version number (%d), ignoring\n", - ext.version); - goto out; - } - - mp_msg(MSGT_DEMUXER, MSGL_V, "Detected MythTV stream\n"); - - /* Video parameters */ - mp_msg(MSGT_DEMUXER, MSGL_V, "FOURCC: %c%c%c%c\n", - (ext.video_fourcc >> 24) & 0xff, - (ext.video_fourcc >> 16) & 0xff, - (ext.video_fourcc >> 8) & 0xff, - (ext.video_fourcc) & 0xff); - sh_video->format = ext.video_fourcc; - sh_video->i_bps = ext.lavc_bitrate; - - /* Audio parameters */ - if (ext.audio_fourcc == mmioFOURCC('L', 'A', 'M', 'E')) { - sh_audio->format = 0x55; - } else if (ext.audio_fourcc == mmioFOURCC('R', 'A', 'W', 'A')) { - sh_audio->format = 0x1; - } else { - mp_msg(MSGT_DEMUXER, MSGL_WARN, - "Unknown audio format 0x%x\n", ext.audio_fourcc); - } - - sh_audio->channels = ext.audio_channels; - sh_audio->samplerate = ext.audio_sample_rate; - sh_audio->i_bps = sh_audio->channels * sh_audio->samplerate * - ext.audio_bits_per_sample; - if (sh_audio->format != 0x1) - sh_audio->i_bps = nearestBitrate(sh_audio->i_bps / - ext.audio_compression_ratio); - sh_audio->wf->wFormatTag = sh_audio->format; - sh_audio->wf->nChannels = sh_audio->channels; - sh_audio->wf->nSamplesPerSec = sh_audio->samplerate; - sh_audio->wf->nAvgBytesPerSec = sh_audio->i_bps / 8; - sh_audio->wf->nBlockAlign = sh_audio->channels * 2; - sh_audio->wf->wBitsPerSample = ext.audio_bits_per_sample; - sh_audio->wf->cbSize = 0; - - mp_msg(MSGT_DEMUXER, MSGL_V, - "channels=%d bitspersample=%d samplerate=%d compression_ratio=%d\n", - ext.audio_channels, ext.audio_bits_per_sample, - ext.audio_sample_rate, ext.audio_compression_ratio); - return 1; -out: - stream_reset(demuxer->stream); - stream_seek(demuxer->stream, orig_pos); - return 0; -} - -static demuxer_t* demux_open_nuv ( demuxer_t* demuxer ) -{ - sh_video_t *sh_video = NULL; - sh_audio_t *sh_audio = NULL; - struct rtfileheader rtjpeg_fileheader; - nuv_priv_t* priv = (nuv_priv_t*) malloc ( sizeof ( nuv_priv_t) ); - demuxer->priv = priv; - priv->current_audio_frame = 0; - priv->current_video_frame = 0; - - - /* Go to the start */ - stream_reset(demuxer->stream); - stream_seek(demuxer->stream, 0); - - stream_read ( demuxer->stream, (char*)& rtjpeg_fileheader, sizeof(rtjpeg_fileheader) ); - le2me_rtfileheader(&rtjpeg_fileheader); - - /* no video */ - if (rtjpeg_fileheader.videoblocks == 0) - { - mp_msg(MSGT_DEMUXER, MSGL_INFO, MSGTR_MPDEMUX_NUV_NoVideoBlocksInFile); - return NULL; - } - - /* Create a new video stream header */ - sh_video = new_sh_video ( demuxer, 0 ); - - /* Make sure the demuxer knows about the new video stream header - * (even though new_sh_video() ought to take care of it) - */ - demuxer->video->sh = sh_video; - - /* Make sure that the video demuxer stream header knows about its - * parent video demuxer stream (this is getting wacky), or else - * video_read_properties() will choke - */ - sh_video->ds = demuxer->video; - - /* Custom fourcc for internal MPlayer use */ - sh_video->format = mmioFOURCC('N', 'U', 'V', '1'); - - sh_video->disp_w = rtjpeg_fileheader.width; - sh_video->disp_h = rtjpeg_fileheader.height; - - /* NuppelVideo uses pixel aspect ratio - here display aspect ratio is used. - For the moment NuppelVideo only supports 1.0 thus - 1.33 == 4:3 aspect ratio. - */ - if(rtjpeg_fileheader.aspect == 1.0) - sh_video->aspect = (float) 4.0f/3.0f; - - /* Get the FPS */ - sh_video->fps = rtjpeg_fileheader.fps; - sh_video->frametime = 1 / sh_video->fps; - - if (rtjpeg_fileheader.audioblocks != 0) - { - sh_audio = new_sh_audio(demuxer, 0); - demuxer->audio->id = 0; - demuxer->audio->sh = sh_audio; - sh_audio->ds = demuxer->audio; - sh_audio->format = 0x1; - sh_audio->channels = 2; - sh_audio->samplerate = 44100; - - sh_audio->wf = malloc(sizeof(WAVEFORMATEX)); - memset(sh_audio->wf, 0, sizeof(WAVEFORMATEX)); - sh_audio->wf->wFormatTag = sh_audio->format; - sh_audio->wf->nChannels = sh_audio->channels; - sh_audio->wf->wBitsPerSample = 16; - sh_audio->wf->nSamplesPerSec = sh_audio->samplerate; - sh_audio->wf->nAvgBytesPerSec = sh_audio->wf->nChannels* - sh_audio->wf->wBitsPerSample*sh_audio->wf->nSamplesPerSec/8; - sh_audio->wf->nBlockAlign = sh_audio->channels * 2; - sh_audio->wf->cbSize = 0; - } - - /* Check for extended data (X frame) and read settings from it */ - if (!demux_xscan_nuv(demuxer, rtjpeg_fileheader.width, - rtjpeg_fileheader.height)) - /* Otherwise assume defaults */ - mp_msg(MSGT_DEMUXER, MSGL_V, "No NUV extended frame, using defaults\n"); - - - priv->index_list = (nuv_position_t*) malloc(sizeof(nuv_position_t)); - priv->index_list->frame = 0; - priv->index_list->time = 0; - priv->index_list->offset = stream_tell ( demuxer->stream ); - priv->index_list->next = NULL; - priv->current_position = priv->index_list; - - return demuxer; -} - -static int nuv_check_file ( demuxer_t* demuxer ) -{ - struct nuv_signature ns; - - /* Store original position */ - off_t orig_pos = stream_tell(demuxer->stream); - - mp_msg ( MSGT_DEMUX, MSGL_V, "Checking for NuppelVideo\n" ); - - if(stream_read(demuxer->stream,(char*)&ns,sizeof(ns)) != sizeof(ns)) - return 0; - - if ( strncmp ( ns.finfo, "NuppelVideo", 12 ) && - strncmp ( ns.finfo, "MythTVVideo", 12 ) ) - return 0; /* Not a NuppelVideo file */ - if ( strncmp ( ns.version, "0.05", 5 ) && - strncmp ( ns.version, "0.06", 5 ) && - strncmp ( ns.version, "0.07", 5 ) ) - return 0; /* Wrong version NuppelVideo file */ - - /* Return to original position */ - stream_seek ( demuxer->stream, orig_pos ); - return DEMUXER_TYPE_NUV; -} - -static void demux_close_nuv(demuxer_t* demuxer) { - nuv_priv_t* priv = demuxer->priv; - nuv_position_t* pos; - if(!priv) - return; - for(pos = priv->index_list ; pos != NULL ; ) { - nuv_position_t* p = pos; - pos = pos->next; - free(p); - } - free(priv); -} - - -const demuxer_desc_t demuxer_desc_nuv = { - "NuppelVideo demuxer", - "nuv", - "NuppelVideo", - "Panagiotis Issaris", - "", - DEMUXER_TYPE_NUV, - 1, // safe autodetect - nuv_check_file, - demux_nuv_fill_buffer, - demux_open_nuv, - demux_close_nuv, - demux_seek_nuv, - NULL -}; diff --git a/libmpdemux/demuxer.c b/libmpdemux/demuxer.c index 74bbd8e559..bfe321b37d 100644 --- a/libmpdemux/demuxer.c +++ b/libmpdemux/demuxer.c @@ -45,7 +45,6 @@ extern const demuxer_desc_t demuxer_desc_mf; extern const demuxer_desc_t demuxer_desc_avi; extern const demuxer_desc_t demuxer_desc_y4m; extern const demuxer_desc_t demuxer_desc_asf; -extern const demuxer_desc_t demuxer_desc_nuv; extern const demuxer_desc_t demuxer_desc_real; extern const demuxer_desc_t demuxer_desc_smjpeg; extern const demuxer_desc_t demuxer_desc_matroska; @@ -100,7 +99,6 @@ const demuxer_desc_t *const demuxer_list[] = { &demuxer_desc_y4m, &demuxer_desc_asf, &demuxer_desc_nsv, - &demuxer_desc_nuv, &demuxer_desc_real, &demuxer_desc_smjpeg, &demuxer_desc_matroska, -- cgit v1.2.3