Lines Matching defs:film
80 FilmDemuxContext *film = s->priv_data;
82 av_freep(&film->sample_table);
89 FilmDemuxContext *film = s->priv_data;
98 film->sample_table = NULL;
104 film->version = AV_RB32(&scratch[8]);
107 if (film->version == 0) {
108 /* special case for Lemmings .film files; 20-byte header */
112 film->audio_type = AV_CODEC_ID_PCM_S8;
113 film->audio_samplerate = 22050;
114 film->audio_channels = 1;
115 film->audio_bits = 8;
120 film->audio_samplerate = AV_RB16(&scratch[24]);
121 film->audio_channels = scratch[21];
122 film->audio_bits = scratch[22];
123 if (scratch[23] == 2 && film->audio_channels > 0)
124 film->audio_type = AV_CODEC_ID_ADPCM_ADX;
125 else if (film->audio_channels > 0) {
126 if (film->audio_bits == 8)
127 film->audio_type = AV_CODEC_ID_PCM_S8_PLANAR;
128 else if (film->audio_bits == 16)
129 film->audio_type = AV_CODEC_ID_PCM_S16BE_PLANAR;
131 film->audio_type = AV_CODEC_ID_NONE;
133 film->audio_type = AV_CODEC_ID_NONE;
140 film->video_type = AV_CODEC_ID_CINEPAK;
142 film->video_type = AV_CODEC_ID_RAWVIDEO;
144 film->video_type = AV_CODEC_ID_NONE;
147 if (film->video_type == AV_CODEC_ID_NONE && film->audio_type == AV_CODEC_ID_NONE)
151 if (film->video_type != AV_CODEC_ID_NONE) {
155 film->video_stream_index = st->index;
157 st->codecpar->codec_id = film->video_type;
162 if (film->video_type == AV_CODEC_ID_RAWVIDEO) {
172 if (film->audio_type != AV_CODEC_ID_NONE) {
176 film->audio_stream_index = st->index;
178 st->codecpar->codec_id = film->audio_type;
180 st->codecpar->ch_layout.nb_channels = film->audio_channels;
181 st->codecpar->sample_rate = film->audio_samplerate;
183 if (film->audio_type == AV_CODEC_ID_ADPCM_ADX) {
185 st->codecpar->block_align = film->audio_channels * 18;
188 st->codecpar->bits_per_coded_sample = film->audio_bits;
189 st->codecpar->block_align = film->audio_channels *
193 st->codecpar->bit_rate = film->audio_channels * st->codecpar->sample_rate *
202 film->base_clock = AV_RB32(&scratch[8]);
203 film->sample_count = AV_RB32(&scratch[12]);
204 film->sample_table = av_malloc_array(film->sample_count, sizeof(film_sample));
205 if (!film->sample_table)
211 avpriv_set_pts_info(st, 33, 1, film->base_clock);
213 avpriv_set_pts_info(st, 64, 1, film->audio_samplerate);
217 for (i = 0; i < film->sample_count; i++) {
221 film->sample_table[i].sample_offset =
223 film->sample_table[i].sample_size = AV_RB32(&scratch[4]);
224 if (film->sample_table[i].sample_size > INT_MAX / 4)
227 film->sample_table[i].stream = film->audio_stream_index;
228 film->sample_table[i].pts = audio_frame_counter;
230 if (film->audio_type == AV_CODEC_ID_ADPCM_ADX)
231 audio_frame_counter += (film->sample_table[i].sample_size * 32 /
232 (18 * film->audio_channels));
233 else if (film->audio_type != AV_CODEC_ID_NONE)
234 audio_frame_counter += (film->sample_table[i].sample_size /
235 (film->audio_channels * film->audio_bits / 8));
237 film->sample_table[i].stream = film->video_stream_index;
238 film->sample_table[i].pts = AV_RB32(&scratch[8]) & 0x7FFFFFFF;
239 film->sample_table[i].keyframe = (scratch[8] & 0x80) ? 0 : AVINDEX_KEYFRAME;
241 if (film->video_type != AV_CODEC_ID_NONE)
242 av_add_index_entry(s->streams[film->video_stream_index],
243 film->sample_table[i].sample_offset,
244 film->sample_table[i].pts,
245 film->sample_table[i].sample_size, 0,
246 film->sample_table[i].keyframe);
250 if (film->audio_type != AV_CODEC_ID_NONE)
251 s->streams[film->audio_stream_index]->duration = audio_frame_counter;
253 if (film->video_type != AV_CODEC_ID_NONE)
254 s->streams[film->video_stream_index]->duration = video_frame_counter;
256 film->current_sample = 0;
264 FilmDemuxContext *film = s->priv_data;
271 if (film->current_sample >= film->sample_count)
274 sample = &film->sample_table[film->current_sample];
278 next_sample_id = film->current_sample + 1;
280 if (next_sample_id >= film->sample_count)
283 next_sample = &film->sample_table[next_sample_id];
304 film->current_sample++;
311 FilmDemuxContext *film = s->priv_data;
322 film->current_sample = ret;