mirror of https://github.com/mpv-player/mpv
fix stream selection and -bandwidth for mms-over-http.
Modifies header parsing to do a brute-force scan for known guids, to avoid having to analyze and parse the whole property-tree structure. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@14237 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar
parent
d64249b6d0
commit
bf0b713d0c
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@ -3,6 +3,7 @@
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#include <string.h>
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#include <unistd.h>
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#include <errno.h>
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#include <limits.h>
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#include "config.h"
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@ -141,18 +142,37 @@ printf("0x%02X\n", stream_chunck->type );
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return stream_chunck->size+4;
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}
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extern int find_asf_guid(char *buf, const char *guid, int cur_pos, int buf_len);
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extern const char asf_file_header_guid[];
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extern const char asf_stream_header_guid[];
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extern const char asf_stream_group_guid[];
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extern int audio_id;
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extern int video_id;
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static int max_idx(int s_count, int *s_rates, int bound) {
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int i, best = -1, rate = 0;
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for (i = 0; i < s_count; i++) {
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if (s_rates[i] > rate && s_rates[i] <= bound) {
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rate = s_rates[i];
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best = i;
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}
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}
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return best;
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}
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static int
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asf_streaming_parse_header(int fd, streaming_ctrl_t* streaming_ctrl) {
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ASF_header_t asfh;
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ASF_obj_header_t objh;
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ASF_file_header_t fileh;
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ASF_stream_header_t streamh;
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ASF_stream_chunck_t chunk;
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asf_http_streaming_ctrl_t* asf_ctrl = (asf_http_streaming_ctrl_t*) streaming_ctrl->data;
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char* buffer=NULL, *chunk_buffer=NULL;
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int i,r,size,pos = 0;
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int start;
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int buffer_size = 0;
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int chunk_size2read = 0;
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int bw = streaming_ctrl->bandwidth;
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int *v_rates = NULL, *a_rates = NULL;
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int v_rate = 0, a_rate = 0, a_idx = -1, v_idx = -1;
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if(asf_ctrl == NULL) return -1;
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@ -219,35 +239,34 @@ asf_streaming_parse_header(int fd, streaming_ctrl_t* streaming_ctrl) {
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return -1;
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}
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pos += sizeof(asfh);
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start = sizeof(asfh);
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while(size - pos >= (int)sizeof(objh)) {
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memcpy(&objh,buffer+pos,sizeof(objh));
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le2me_ASF_obj_header_t(&objh);
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switch(ASF_LOAD_GUID_PREFIX(objh.guid)) {
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case 0x8CABDCA1 : // File header
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pos += sizeof(objh);
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memcpy(&fileh,buffer + pos,sizeof(fileh));
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le2me_ASF_file_header_t(&fileh);
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pos = find_asf_guid(buffer, asf_file_header_guid, start, size);
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if (pos >= 0) {
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ASF_file_header_t *fileh = (ASF_file_header_t *) &buffer[pos];
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pos += sizeof(ASF_file_header_t);
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if (pos > size) goto len_err_out;
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le2me_ASF_file_header_t(fileh);
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/*
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if(fileh.packetsize != fileh.packetsize2) {
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printf("Error packetsize check don't match\n");
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return -1;
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}
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*/
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asf_ctrl->packet_size = fileh.max_packet_size;
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asf_ctrl->packet_size = fileh->max_packet_size;
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// before playing.
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// preroll: time in ms to bufferize before playing
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streaming_ctrl->prebuffer_size = (unsigned int)((double)((double)fileh.preroll/1000)*((double)fileh.max_bitrate/8));
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pos += sizeof(fileh);
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break;
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case 0xB7DC0791 : // stream header
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pos += sizeof(objh);
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memcpy(&streamh,buffer + pos,sizeof(streamh));
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le2me_ASF_stream_header_t(&streamh);
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pos += sizeof(streamh) + streamh.type_size;
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switch(ASF_LOAD_GUID_PREFIX(streamh.type)) {
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streaming_ctrl->prebuffer_size = (unsigned int)(((double)fileh->preroll/1000.0)*((double)fileh->max_bitrate/8.0));
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}
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pos = start;
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while ((pos = find_asf_guid(buffer, asf_stream_header_guid, pos, size)) >= 0)
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{
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ASF_stream_header_t *streamh = (ASF_stream_header_t *)&buffer[pos];
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pos += sizeof(ASF_stream_header_t);
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if (pos > size) goto len_err_out;
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le2me_ASF_stream_header_t(streamh);
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switch(ASF_LOAD_GUID_PREFIX(streamh->type)) {
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case 0xF8699E40 : // audio stream
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if(asf_ctrl->audio_streams == NULL){
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asf_ctrl->audio_streams = (int*)malloc(sizeof(int));
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@ -257,11 +276,7 @@ asf_streaming_parse_header(int fd, streaming_ctrl_t* streaming_ctrl) {
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asf_ctrl->audio_streams = (int*)realloc(asf_ctrl->audio_streams,
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asf_ctrl->n_audio*sizeof(int));
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}
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asf_ctrl->audio_streams[asf_ctrl->n_audio-1] = streamh.stream_no;
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pos += streamh.stream_size;
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if( streaming_ctrl->bandwidth==0 ) {
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asf_ctrl->audio_id = streamh.stream_no;
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}
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asf_ctrl->audio_streams[asf_ctrl->n_audio-1] = streamh->stream_no;
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break;
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case 0xBC19EFC0 : // video stream
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if(asf_ctrl->video_streams == NULL){
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@ -272,57 +287,127 @@ asf_streaming_parse_header(int fd, streaming_ctrl_t* streaming_ctrl) {
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asf_ctrl->video_streams = (int*)realloc(asf_ctrl->video_streams,
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asf_ctrl->n_video*sizeof(int));
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}
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asf_ctrl->video_streams[asf_ctrl->n_video-1] = streamh.stream_no;
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if( streaming_ctrl->bandwidth==0 ) {
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asf_ctrl->video_id = streamh.stream_no;
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}
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asf_ctrl->video_streams[asf_ctrl->n_video-1] = streamh->stream_no;
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break;
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}
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break;
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case 0x7bf875ce : // stream bitrate properties object
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printf("Stream bitrate properties object\n");
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printf("Max bandwidth set to %d\n", streaming_ctrl->bandwidth);
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asf_ctrl->audio_id = 0;
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asf_ctrl->video_id = 0;
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if( streaming_ctrl->bandwidth!=0 ) {
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int stream_count, stream_id, max_bitrate;
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char *ptr = buffer+pos;
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unsigned int total_bitrate=0, p_id=0, p_br=0;
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int i;
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ptr += sizeof(objh);
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}
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// always allocate to avoid lots of ifs later
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v_rates = calloc(asf_ctrl->n_video, sizeof(int));
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a_rates = calloc(asf_ctrl->n_audio, sizeof(int));
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pos = find_asf_guid(buffer, asf_stream_group_guid, start, size);
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if (pos >= 0) {
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// stream bitrate properties object
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mp_msg(MSGT_NETWORK, MSGL_V, "Stream bitrate properties object\n");
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int stream_count;
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char *ptr = &buffer[pos];
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stream_count = le2me_16(*(uint16_t*)ptr);
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ptr += sizeof(uint16_t);
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printf(" stream count=[0x%x][%u]\n", stream_count, stream_count );
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for( i=0 ; i<stream_count && ptr<((char*)buffer+pos+objh.size) ; i++ ) {
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stream_id = le2me_16(*(uint16_t*)ptr);
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if (ptr > &buffer[size]) goto len_err_out;
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mp_msg(MSGT_NETWORK, MSGL_V, " stream count=[0x%x][%u]\n",
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stream_count, stream_count );
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for( i=0 ; i<stream_count ; i++ ) {
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uint32_t rate;
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int id;
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int j;
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id = le2me_16(*(uint16_t*)ptr);
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ptr += sizeof(uint16_t);
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memcpy(&max_bitrate, ptr, sizeof(uint32_t));// workaround unaligment bug on sparc
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max_bitrate = le2me_32(max_bitrate);
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if( stream_id==1 ) total_bitrate = max_bitrate;
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else if( total_bitrate+max_bitrate>streaming_ctrl->bandwidth ) {
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total_bitrate += p_br;
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printf("total_bitrate=%d\n", total_bitrate);
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printf("id=%d\n", p_id);
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break;
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}
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if (ptr > &buffer[size]) goto len_err_out;
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memcpy(&rate, ptr, sizeof(uint32_t));// workaround unaligment bug on sparc
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ptr += sizeof(uint32_t);
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printf(" stream id=[0x%x][%u]\n", stream_id, stream_id );
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printf(" max bitrate=[0x%x][%u]\n", max_bitrate, max_bitrate );
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p_id = stream_id;
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p_br = max_bitrate;
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if (ptr > &buffer[size]) goto len_err_out;
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rate = le2me_32(rate);
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mp_msg(MSGT_NETWORK, MSGL_V,
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" stream id=[0x%x][%u]\n", id, id);
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mp_msg(MSGT_NETWORK, MSGL_V,
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" max bitrate=[0x%x][%u]\n", rate, rate);
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for (j = 0; j < asf_ctrl->n_video; j++) {
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if (id == asf_ctrl->video_streams[j]) {
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mp_msg(MSGT_NETWORK, MSGL_V, " is video stream\n");
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v_rates[j] = rate;
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break;
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}
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}
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for (j = 0; j < asf_ctrl->n_audio; j++) {
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if (id == asf_ctrl->audio_streams[j]) {
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mp_msg(MSGT_NETWORK, MSGL_V, " is audio stream\n");
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a_rates[j] = rate;
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break;
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}
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}
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}
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asf_ctrl->audio_id = 1;
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asf_ctrl->video_id = p_id;
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}
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pos += objh.size;
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break;
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default :
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pos += objh.size;
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break;
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}
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}
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free(buffer);
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// automatic stream selection based on bandwidth
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if (bw == 0) bw = INT_MAX;
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mp_msg(MSGT_NETWORK, MSGL_V, "Max bandwidth set to %d\n", bw);
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if (asf_ctrl->n_audio) {
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// find lowest-bitrate audio stream
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a_rate = a_rates[0];
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a_idx = 0;
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for (i = 0; i < asf_ctrl->n_audio; i++) {
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if (a_rates[i] < a_rate) {
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a_rate = a_rates[i];
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a_idx = i;
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}
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}
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if (max_idx(asf_ctrl->n_video, v_rates, bw - a_rate) < 0) {
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// both audio and video are not possible, try video only next
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a_idx = -1;
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a_rate = 0;
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}
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}
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// find best video stream
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v_idx = max_idx(asf_ctrl->n_video, v_rates, bw - a_rate);
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if (v_idx >= 0)
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v_rate = v_rates[v_idx];
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// find best audio stream
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a_idx = max_idx(asf_ctrl->n_audio, a_rates, bw - v_rate);
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free(v_rates);
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free(a_rates);
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if (a_idx < 0 && v_idx < 0) {
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mp_msg(MSGT_NETWORK, MSGL_FATAL, "bandwidth too small, "
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"file cannot be played!\n");
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return -1;
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}
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if (audio_id > 0)
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// a audio stream was forced
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asf_ctrl->audio_id = audio_id;
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else if (a_idx >= 0)
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asf_ctrl->audio_id = asf_ctrl->audio_streams[a_idx];
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else if (asf_ctrl->n_audio) {
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mp_msg(MSGT_NETWORK, MSGL_WARN, "bandwidth too small, "
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"deselected audio stream\n");
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audio_id = -2;
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}
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if (video_id > 0)
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// a video stream was forced
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asf_ctrl->video_id = video_id;
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else if (v_idx >= 0)
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asf_ctrl->video_id = asf_ctrl->video_streams[v_idx];
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else if (asf_ctrl->n_video) {
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mp_msg(MSGT_NETWORK, MSGL_WARN, "bandwidth too small, "
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"deselected video stream\n");
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video_id = -2;
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}
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return 1;
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len_err_out:
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mp_msg(MSGT_NETWORK, MSGL_FATAL, "Invalid length in ASF header!\n");
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if (buffer) free(buffer);
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if (v_rates) free(v_rates);
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if (a_rates) free(a_rates);
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return -1;
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}
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int
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@ -531,10 +616,11 @@ asf_http_request(streaming_ctrl_t *streaming_ctrl) {
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if(asf_http_ctrl->n_audio > 0) {
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for( i=0; i<asf_http_ctrl->n_audio ; i++ ) {
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stream_id = asf_http_ctrl->audio_streams[i];
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if(stream_id == asf_http_ctrl->audio_id || !asf_http_ctrl->audio_id) {
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if(stream_id == asf_http_ctrl->audio_id) {
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enable = 0;
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} else {
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enable = 2;
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continue;
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}
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asf_nb_stream++;
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ptr += sprintf(ptr, "ffff:%d:%d ", stream_id, enable);
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@ -543,10 +629,11 @@ asf_http_request(streaming_ctrl_t *streaming_ctrl) {
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if(asf_http_ctrl->n_video > 0) {
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for( i=0; i<asf_http_ctrl->n_video ; i++ ) {
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stream_id = asf_http_ctrl->video_streams[i];
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if(stream_id == asf_http_ctrl->video_id || !asf_http_ctrl->video_id) {
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if(stream_id == asf_http_ctrl->video_id) {
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enable = 0;
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} else {
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enable = 2;
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continue;
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}
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asf_nb_stream++;
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ptr += sprintf(ptr, "ffff:%d:%d ", stream_id, enable);
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@ -36,12 +36,24 @@ extern int verbose; // defined in mplayer.c
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#define ASF_GUID_PREFIX_content_desc 0x75b22633
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#define ASF_GUID_PREFIX_stream_group 0x7bf875ce
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/*
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const char asf_audio_stream_guid[16] = {0x40, 0x9e, 0x69, 0xf8,
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0x4d, 0x5b, 0xcf, 0x11, 0xa8, 0xfd, 0x00, 0x80, 0x5f, 0x5c, 0x44, 0x2b};
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const char asf_video_stream_guid[16] = {0xc0, 0xef, 0x19, 0xbc,
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0x4d, 0x5b, 0xcf, 0x11, 0xa8, 0xfd, 0x00, 0x80, 0x5f, 0x5c, 0x44, 0x2b};
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*/
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const char asf_stream_header_guid[16] = {0x91, 0x07, 0xdc, 0xb7,
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0xb7, 0xa9, 0xcf, 0x11, 0x8e, 0xe6, 0x00, 0xc0, 0x0c, 0x20, 0x53, 0x65};
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const char asf_file_header_guid[16] = {0xa1, 0xdc, 0xab, 0x8c,
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0x47, 0xa9, 0xcf, 0x11, 0x8e, 0xe4, 0x00, 0xc0, 0x0c, 0x20, 0x53, 0x65};
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const char asf_content_desc_guid[16] = {0x33, 0x26, 0xb2, 0x75,
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0x8e, 0x66, 0xcf, 0x11, 0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c};
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const char asf_stream_group_guid[16] = {0xce, 0x75, 0xf8, 0x7b,
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0x8d, 0x46, 0xd1, 0x11, 0x8d, 0x82, 0x00, 0x60, 0x97, 0xc9, 0xa2, 0xb2};
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const char asf_data_chunk_guid[16] = {0x36, 0x26, 0xb2, 0x75,
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0x8e, 0x66, 0xcf, 0x11, 0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c};
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static ASF_header_t asfh;
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static ASF_obj_header_t objh;
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static ASF_file_header_t fileh;
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static ASF_stream_header_t streamh;
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static ASF_content_description_t contenth;
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unsigned char* asf_packet=NULL;
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int asf_scrambling_h=1;
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@ -129,55 +141,84 @@ int asf_check_header(demuxer_t *demuxer){
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extern void print_wave_header(WAVEFORMATEX *h);
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extern void print_video_header(BITMAPINFOHEADER *h);
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int find_asf_guid(char *buf, const char *guid, int cur_pos, int buf_len)
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{
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int i;
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for (i = cur_pos; i < buf_len - 19; i++) {
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if (memcmp(&buf[i], guid, 16) == 0)
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return i + 16 + 8; // point after guid + length
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}
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return -1;
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}
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int read_asf_header(demuxer_t *demuxer){
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static unsigned char buffer[2048];
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unsigned int hdr_len = asfh.objh.size - sizeof(asfh);
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char *hdr = NULL;
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char guid_buffer[16];
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int pos, start = stream_tell(demuxer->stream);
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uint32_t* streams = NULL;
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int audio_streams=0;
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int video_streams=0;
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uint16_t stream_count=0;
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int best_video = -1;
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int best_audio = -1;
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uint64_t data_len;
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#if 1
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//printf("ASF file! (subchunks: %d)\n",asfh.cno);
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while(!stream_eof(demuxer->stream)){
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int pos,endpos;
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pos=stream_tell(demuxer->stream);
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stream_read(demuxer->stream,(char*) &objh,sizeof(objh));
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le2me_ASF_obj_header_t(&objh);
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if(stream_eof(demuxer->stream)) break; // EOF
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endpos=pos+objh.size;
|
||||
// for(i=0;i<16;i++) printf("%02X ",objh.guid[i]);
|
||||
//printf("0x%08X [%s] %d\n",pos, asf_chunk_type(objh.guid),(int) objh.size);
|
||||
switch(ASF_LOAD_GUID_PREFIX(objh.guid)){
|
||||
case ASF_GUID_PREFIX_stream_header:
|
||||
stream_read(demuxer->stream,(char*) &streamh,sizeof(streamh));
|
||||
le2me_ASF_stream_header_t(&streamh);
|
||||
if(verbose>0){
|
||||
mp_msg(MSGT_HEADER,MSGL_V,"stream type: %s\n",asf_chunk_type(streamh.type));
|
||||
mp_msg(MSGT_HEADER,MSGL_V,"stream concealment: %s\n",asf_chunk_type(streamh.concealment));
|
||||
mp_msg(MSGT_HEADER,MSGL_V,"type: %d bytes, stream: %d bytes ID: %d\n",(int)streamh.type_size,(int)streamh.stream_size,(int)streamh.stream_no);
|
||||
mp_msg(MSGT_HEADER,MSGL_V,"unk1: %lX unk2: %X\n",(unsigned long)streamh.unk1,(unsigned int)streamh.unk2);
|
||||
mp_msg(MSGT_HEADER,MSGL_V,"FILEPOS=0x%X\n",stream_tell(demuxer->stream));
|
||||
}
|
||||
if(streamh.type_size>2048 || streamh.stream_size>2048){
|
||||
mp_msg(MSGT_HEADER,MSGL_FATAL,"FATAL: header size bigger than 2048 bytes (%d,%d)!\n"
|
||||
"Please contact mplayer authors, and upload/send this file.\n",
|
||||
(int)streamh.type_size,(int)streamh.stream_size);
|
||||
return 0;
|
||||
}
|
||||
// type-specific data:
|
||||
stream_read(demuxer->stream,(char*) buffer,streamh.type_size);
|
||||
switch(ASF_LOAD_GUID_PREFIX(streamh.type)){
|
||||
if (hdr_len > 64 * 1024) {
|
||||
mp_msg(MSGT_HEADER, MSGL_FATAL,
|
||||
"FATAL: header size bigger than 64 kB (%d)!\n"
|
||||
"Please contact MPlayer authors, and upload/send this file.\n",
|
||||
hdr_len);
|
||||
return 0;
|
||||
}
|
||||
hdr = malloc(hdr_len);
|
||||
if (!hdr) {
|
||||
mp_msg(MSGT_HEADER, MSGL_FATAL, "Could not allocate %d bytes for header\n",
|
||||
hdr_len);
|
||||
return 0;
|
||||
}
|
||||
stream_read(demuxer->stream, hdr, hdr_len);
|
||||
if (stream_eof(demuxer->stream)) {
|
||||
mp_msg(MSGT_HEADER, MSGL_FATAL,
|
||||
"EOF while reading asf header, broken/incomplete file?\n");
|
||||
goto err_out;
|
||||
}
|
||||
|
||||
// find stream headers
|
||||
pos = 0;
|
||||
while ((pos = find_asf_guid(hdr, asf_stream_header_guid, pos, hdr_len)) >= 0)
|
||||
{
|
||||
ASF_stream_header_t *streamh = (ASF_stream_header_t *)&hdr[pos];
|
||||
char *buffer;
|
||||
pos += sizeof(ASF_stream_header_t);
|
||||
if (pos > hdr_len) goto len_err_out;
|
||||
le2me_ASF_stream_header_t(streamh);
|
||||
mp_msg(MSGT_HEADER, MSGL_V, "stream type: %s\n",
|
||||
asf_chunk_type(streamh->type));
|
||||
mp_msg(MSGT_HEADER, MSGL_V, "stream concealment: %s\n",
|
||||
asf_chunk_type(streamh->concealment));
|
||||
mp_msg(MSGT_HEADER, MSGL_V, "type: %d bytes, stream: %d bytes ID: %d\n",
|
||||
(int)streamh->type_size, (int)streamh->stream_size,
|
||||
(int)streamh->stream_no);
|
||||
mp_msg(MSGT_HEADER, MSGL_V, "unk1: %lX unk2: %X\n",
|
||||
(unsigned long)streamh->unk1, (unsigned int)streamh->unk2);
|
||||
mp_msg(MSGT_HEADER, MSGL_V, "FILEPOS=0x%X\n", pos + start);
|
||||
// type-specific data:
|
||||
buffer = &hdr[pos];
|
||||
pos += streamh->type_size;
|
||||
if (pos > hdr_len) goto len_err_out;
|
||||
switch(ASF_LOAD_GUID_PREFIX(streamh->type)){
|
||||
case ASF_GUID_PREFIX_audio_stream: {
|
||||
sh_audio_t* sh_audio=new_sh_audio(demuxer,streamh.stream_no & 0x7F);
|
||||
++audio_streams;
|
||||
sh_audio->wf=calloc((streamh.type_size<sizeof(WAVEFORMATEX))?sizeof(WAVEFORMATEX):streamh.type_size,1);
|
||||
memcpy(sh_audio->wf,buffer,streamh.type_size);
|
||||
sh_audio_t* sh_audio=new_sh_audio(demuxer,streamh->stream_no & 0x7F);
|
||||
++audio_streams;
|
||||
sh_audio->wf=calloc((streamh->type_size<sizeof(WAVEFORMATEX))?sizeof(WAVEFORMATEX):streamh->type_size,1);
|
||||
memcpy(sh_audio->wf,buffer,streamh->type_size);
|
||||
le2me_WAVEFORMATEX(sh_audio->wf);
|
||||
if(verbose>=1) print_wave_header(sh_audio->wf);
|
||||
if(ASF_LOAD_GUID_PREFIX(streamh.concealment)==ASF_GUID_PREFIX_audio_conceal_interleave){
|
||||
stream_read(demuxer->stream,(char*) buffer,streamh.stream_size);
|
||||
if(ASF_LOAD_GUID_PREFIX(streamh->concealment)==ASF_GUID_PREFIX_audio_conceal_interleave){
|
||||
buffer = &hdr[pos];
|
||||
pos += streamh->stream_size;
|
||||
if (pos > hdr_len) goto len_err_out;
|
||||
asf_scrambling_h=buffer[0];
|
||||
asf_scrambling_w=(buffer[2]<<8)|buffer[1];
|
||||
asf_scrambling_b=(buffer[4]<<8)|buffer[3];
|
||||
|
|
@ -190,8 +231,8 @@ while(!stream_eof(demuxer->stream)){
|
|||
break;
|
||||
}
|
||||
case ASF_GUID_PREFIX_video_stream: {
|
||||
sh_video_t* sh_video=new_sh_video(demuxer,streamh.stream_no & 0x7F);
|
||||
unsigned int len=streamh.type_size-(4+4+1+2);
|
||||
sh_video_t* sh_video=new_sh_video(demuxer,streamh->stream_no & 0x7F);
|
||||
unsigned int len=streamh->type_size-(4+4+1+2);
|
||||
++video_streams;
|
||||
// sh_video->bih=malloc(chunksize); memset(sh_video->bih,0,chunksize);
|
||||
sh_video->bih=calloc((len<sizeof(BITMAPINFOHEADER))?sizeof(BITMAPINFOHEADER):len,1);
|
||||
|
|
@ -207,125 +248,139 @@ while(!stream_eof(demuxer->stream)){
|
|||
}
|
||||
// stream-specific data:
|
||||
// stream_read(demuxer->stream,(char*) buffer,streamh.stream_size);
|
||||
break;
|
||||
// case ASF_GUID_PREFIX_header_2_0: return "guid_header_2_0";
|
||||
case ASF_GUID_PREFIX_file_header: // guid_file_header
|
||||
stream_read(demuxer->stream,(char*) &fileh,sizeof(fileh));
|
||||
le2me_ASF_file_header_t(&fileh);
|
||||
//mp_msg(MSGT_HEADER,MSGL_V,"ASF: packets: %d flags: %d pack_size: %d frame_size: %d\n",(int)fileh.packets,(int)fileh.flags,(int)fileh.packetsize,(int)fileh.frame_size);
|
||||
mp_msg(MSGT_HEADER,MSGL_V,"ASF: packets: %d flags: %d max_packet_size: %d min_packet_size: %d max_bitrate: %d preroll: %d\n",(int)fileh.num_packets,(int)fileh.flags,(int)fileh.min_packet_size,(int)fileh.max_packet_size,(int)fileh.max_bitrate,(int)fileh.preroll);
|
||||
asf_packetsize=fileh.max_packet_size;
|
||||
}
|
||||
|
||||
// find file header
|
||||
pos = find_asf_guid(hdr, asf_file_header_guid, 0, hdr_len);
|
||||
if (pos >= 0) {
|
||||
ASF_file_header_t *fileh = (ASF_file_header_t *)&hdr[pos];
|
||||
pos += sizeof(ASF_file_header_t);
|
||||
if (pos > hdr_len) goto len_err_out;
|
||||
le2me_ASF_file_header_t(fileh);
|
||||
mp_msg(MSGT_HEADER, MSGL_V, "ASF: packets: %d flags: %d "
|
||||
"max_packet_size: %d min_packet_size: %d max_bitrate: %d "
|
||||
"preroll: %d\n",
|
||||
(int)fileh->num_packets, (int)fileh->flags,
|
||||
(int)fileh->min_packet_size, (int)fileh->max_packet_size,
|
||||
(int)fileh->max_bitrate, (int)fileh->preroll);
|
||||
asf_packetsize=fileh->max_packet_size;
|
||||
asf_packet=malloc(asf_packetsize); // !!!
|
||||
asf_packetrate=fileh.max_bitrate/8.0/(double)asf_packetsize;
|
||||
asf_movielength=fileh.send_duration/10000000LL;
|
||||
break;
|
||||
case ASF_GUID_PREFIX_data_chunk: // guid_data_chunk
|
||||
demuxer->movi_start=stream_tell(demuxer->stream)+26;
|
||||
demuxer->movi_end=endpos;
|
||||
mp_msg(MSGT_HEADER,MSGL_V,"Found movie at 0x%X - 0x%X\n",(int)demuxer->movi_start,(int)demuxer->movi_end);
|
||||
break;
|
||||
asf_packetrate=fileh->max_bitrate/8.0/(double)asf_packetsize;
|
||||
asf_movielength=fileh->send_duration/10000000LL;
|
||||
}
|
||||
|
||||
// case ASF_GUID_PREFIX_index_chunk: return "guid_index_chunk";
|
||||
|
||||
case ASF_GUID_PREFIX_content_desc: // Content description
|
||||
{
|
||||
// find content header
|
||||
pos = find_asf_guid(hdr, asf_content_desc_guid, 0, hdr_len);
|
||||
if (pos >= 0) {
|
||||
ASF_content_description_t *contenth = (ASF_content_description_t *)&hdr[pos];
|
||||
char *string=NULL;
|
||||
stream_read(demuxer->stream,(char*) &contenth,sizeof(contenth));
|
||||
le2me_ASF_content_description_t(&contenth);
|
||||
pos += sizeof(ASF_content_description_t);
|
||||
if (pos > hdr_len) goto len_err_out;
|
||||
le2me_ASF_content_description_t(contenth);
|
||||
mp_msg(MSGT_HEADER,MSGL_V,"\n");
|
||||
// extract the title
|
||||
if( contenth.title_size!=0 ) {
|
||||
string=(char*)malloc(contenth.title_size);
|
||||
stream_read(demuxer->stream, string, contenth.title_size);
|
||||
if( contenth->title_size!=0 ) {
|
||||
string = &hdr[pos];
|
||||
pos += contenth->title_size;
|
||||
if (pos > hdr_len) goto len_err_out;
|
||||
if(verbose>0)
|
||||
print_asf_string(" Title: ", string, contenth.title_size);
|
||||
print_asf_string(" Title: ", string, contenth->title_size);
|
||||
else
|
||||
pack_asf_string(string, contenth.title_size);
|
||||
pack_asf_string(string, contenth->title_size);
|
||||
demux_info_add(demuxer, "name", string);
|
||||
}
|
||||
// extract the author
|
||||
if( contenth.author_size!=0 ) {
|
||||
string=(char*)realloc((void*)string, contenth.author_size);
|
||||
stream_read(demuxer->stream, string, contenth.author_size);
|
||||
if( contenth->author_size!=0 ) {
|
||||
string = &hdr[pos];
|
||||
pos += contenth->author_size;
|
||||
if (pos > hdr_len) goto len_err_out;
|
||||
if(verbose>0)
|
||||
print_asf_string(" Author: ", string, contenth.author_size);
|
||||
print_asf_string(" Author: ", string, contenth->author_size);
|
||||
else
|
||||
pack_asf_string(string, contenth.author_size);
|
||||
pack_asf_string(string, contenth->author_size);
|
||||
demux_info_add(demuxer, "author", string);
|
||||
}
|
||||
// extract the copyright
|
||||
if( contenth.copyright_size!=0 ) {
|
||||
string=(char*)realloc((void*)string, contenth.copyright_size);
|
||||
stream_read(demuxer->stream, string, contenth.copyright_size);
|
||||
if( contenth->copyright_size!=0 ) {
|
||||
string = &hdr[pos];
|
||||
pos += contenth->copyright_size;
|
||||
if (pos > hdr_len) goto len_err_out;
|
||||
if(verbose>0)
|
||||
print_asf_string(" Copyright: ", string, contenth.copyright_size);
|
||||
print_asf_string(" Copyright: ", string, contenth->copyright_size);
|
||||
else
|
||||
pack_asf_string(string, contenth.copyright_size);
|
||||
pack_asf_string(string, contenth->copyright_size);
|
||||
demux_info_add(demuxer, "copyright", string);
|
||||
}
|
||||
// extract the comment
|
||||
if( contenth.comment_size!=0 ) {
|
||||
string=(char*)realloc((void*)string, contenth.comment_size);
|
||||
stream_read(demuxer->stream, string, contenth.comment_size);
|
||||
if( contenth->comment_size!=0 ) {
|
||||
string = &hdr[pos];
|
||||
pos += contenth->comment_size;
|
||||
if (pos > hdr_len) goto len_err_out;
|
||||
if(verbose>0)
|
||||
print_asf_string(" Comment: ", string, contenth.comment_size);
|
||||
print_asf_string(" Comment: ", string, contenth->comment_size);
|
||||
else
|
||||
pack_asf_string(string, contenth.comment_size);
|
||||
pack_asf_string(string, contenth->comment_size);
|
||||
demux_info_add(demuxer, "comments", string);
|
||||
}
|
||||
// extract the rating
|
||||
if( contenth.rating_size!=0 ) {
|
||||
string=(char*)realloc((void*)string, contenth.rating_size);
|
||||
stream_read(demuxer->stream, string, contenth.rating_size);
|
||||
if( contenth->rating_size!=0 ) {
|
||||
string = &hdr[pos];
|
||||
pos += contenth->rating_size;
|
||||
if (pos > hdr_len) goto len_err_out;
|
||||
if(verbose>0)
|
||||
print_asf_string(" Rating: ", string, contenth.rating_size);
|
||||
print_asf_string(" Rating: ", string, contenth->rating_size);
|
||||
}
|
||||
mp_msg(MSGT_HEADER,MSGL_V,"\n");
|
||||
free(string);
|
||||
break;
|
||||
}
|
||||
case ASF_GUID_PREFIX_stream_group: {
|
||||
}
|
||||
|
||||
// find content header
|
||||
pos = find_asf_guid(hdr, asf_stream_group_guid, 0, hdr_len);
|
||||
if (pos >= 0) {
|
||||
uint16_t stream_id, i;
|
||||
uint32_t max_bitrate;
|
||||
char *object=NULL, *ptr=NULL;
|
||||
char *ptr = &hdr[pos];
|
||||
mp_msg(MSGT_HEADER,MSGL_V,"============ ASF Stream group == START ===\n");
|
||||
mp_msg(MSGT_HEADER,MSGL_V," object size = %d\n", (int)objh.size);
|
||||
object = (char*)malloc(objh.size);
|
||||
if( object==NULL ) {
|
||||
mp_msg(MSGT_HEADER,MSGL_V,"Memory allocation failed\n");
|
||||
return 0;
|
||||
}
|
||||
stream_read( demuxer->stream, object, objh.size );
|
||||
// FIXME: We need some endian handling below...
|
||||
ptr = object;
|
||||
stream_count = le2me_16(*(uint16_t*)ptr);
|
||||
ptr += sizeof(uint16_t);
|
||||
if (ptr > &hdr[hdr_len]) goto len_err_out;
|
||||
if(stream_count > 0)
|
||||
streams = (uint32_t*)malloc(2*stream_count*sizeof(uint32_t));
|
||||
mp_msg(MSGT_HEADER,MSGL_V," stream count=[0x%x][%u]\n", stream_count, stream_count );
|
||||
for( i=0 ; i<stream_count && ptr<((char*)object+objh.size) ; i++ ) {
|
||||
for( i=0 ; i<stream_count ; i++ ) {
|
||||
stream_id = le2me_16(*(uint16_t*)ptr);
|
||||
ptr += sizeof(uint16_t);
|
||||
if (ptr > &hdr[hdr_len]) goto len_err_out;
|
||||
memcpy(&max_bitrate, ptr, sizeof(uint32_t));// workaround unaligment bug on sparc
|
||||
max_bitrate = le2me_32(max_bitrate);
|
||||
ptr += sizeof(uint32_t);
|
||||
if (ptr > &hdr[hdr_len]) goto len_err_out;
|
||||
mp_msg(MSGT_HEADER,MSGL_V," stream id=[0x%x][%u]\n", stream_id, stream_id );
|
||||
mp_msg(MSGT_HEADER,MSGL_V," max bitrate=[0x%x][%u]\n", max_bitrate, max_bitrate );
|
||||
streams[2*i] = stream_id;
|
||||
streams[2*i+1] = max_bitrate;
|
||||
}
|
||||
mp_msg(MSGT_HEADER,MSGL_V,"============ ASF Stream group == END ===\n");
|
||||
free( object );
|
||||
break;
|
||||
}
|
||||
} // switch GUID
|
||||
|
||||
if(ASF_LOAD_GUID_PREFIX(objh.guid)==ASF_GUID_PREFIX_data_chunk) break; // movi chunk
|
||||
|
||||
if(!stream_seek(demuxer->stream,endpos)) break;
|
||||
} // while EOF
|
||||
}
|
||||
free(hdr);
|
||||
hdr = NULL;
|
||||
start = stream_tell(demuxer->stream); // start of first data chunk
|
||||
stream_read(demuxer->stream, guid_buffer, 16);
|
||||
if (memcmp(guid_buffer, asf_data_chunk_guid, 16) != 0) {
|
||||
mp_msg(MSGT_HEADER, MSGL_FATAL, "No data chunk following header!\n");
|
||||
return 0;
|
||||
}
|
||||
// read length of chunk
|
||||
stream_read(demuxer->stream, (char *)&data_len, sizeof(data_len));
|
||||
le2me_64(data_len);
|
||||
demuxer->movi_start = stream_tell(demuxer->stream) + 26;
|
||||
demuxer->movi_end = start + data_len;
|
||||
mp_msg(MSGT_HEADER, MSGL_V, "Found movie at 0x%X - 0x%X\n",
|
||||
(int)demuxer->movi_start, (int)demuxer->movi_end);
|
||||
|
||||
if(streams) {
|
||||
// stream selection is done in the network code, it shouldn't be done here
|
||||
// as the servers often do not care about what we requested.
|
||||
#if 0
|
||||
uint32_t vr = 0, ar = 0,i;
|
||||
#ifdef MPLAYER_NETWORK
|
||||
if( demuxer->stream->streaming_ctrl!=NULL ) {
|
||||
|
|
@ -346,7 +401,9 @@ if(streams) {
|
|||
best_audio = id;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
free(streams);
|
||||
streams = NULL;
|
||||
}
|
||||
|
||||
mp_msg(MSGT_HEADER,MSGL_V,"ASF: %d audio and %d video streams found\n",audio_streams,video_streams);
|
||||
|
|
@ -368,6 +425,12 @@ if(verbose){
|
|||
}
|
||||
#endif
|
||||
|
||||
#endif
|
||||
return 1;
|
||||
|
||||
len_err_out:
|
||||
mp_msg(MSGT_HEADER, MSGL_FATAL, "Invalid length in ASF header!\n");
|
||||
err_out:
|
||||
if (hdr) free(hdr);
|
||||
if (streams) free(streams);
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue