riffenc.c - OpenGrok cross reference for /third_party/ffmpeg/libavformat/riffenc.c

Lines Matching refs:par
56                       AVCodecParameters *par, int flags)
66     if (!par->codec_tag || par->codec_tag > 0xffff)
69     if (par->codec_id == AV_CODEC_ID_ADPCM_SWF && par->block_align == 0) {
71                avcodec_get_name(par->codec_id));
78     frame_size = av_get_audio_frame_duration2(par, par->block_align);
80     waveformatextensible = (par->ch_layout.order == AV_CHANNEL_ORDER_NATIVE &&
81                             av_channel_layout_compare(&par->ch_layout, &(AVChannelLayout)AV_CHANNEL_LAYOUT_MONO) &&
82                             av_channel_layout_compare(&par->ch_layout, &(AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO)) ||
83                            par->sample_rate > 48000 ||
84                            par->codec_id == AV_CODEC_ID_EAC3 || par->codec_id == AV_CODEC_ID_DFPWM ||
85                            av_get_bits_per_sample(par->codec_id) > 16;
90         avio_wl16(pb, par->codec_tag);
92     avio_wl16(pb, par->ch_layout.nb_channels);
93     avio_wl32(pb, par->sample_rate);
94     if (par->codec_id == AV_CODEC_ID_ATRAC3 ||
95         par->codec_id == AV_CODEC_ID_G723_1 ||
96         par->codec_id == AV_CODEC_ID_MP2    ||
97         par->codec_id == AV_CODEC_ID_MP3    ||
98         par->codec_id == AV_CODEC_ID_GSM_MS) {
101         if (!(bps = av_get_bits_per_sample(par->codec_id))) {
102             if (par->bits_per_coded_sample)
103                 bps = par->bits_per_coded_sample;
108     if (bps != par->bits_per_coded_sample && par->bits_per_coded_sample) {
112                par->bits_per_coded_sample, bps);
115     if (par->codec_id == AV_CODEC_ID_MP2) {
116         blkalign = (144 * par->bit_rate - 1)/par->sample_rate + 1;
117     } else if (par->codec_id == AV_CODEC_ID_MP3) {
118         blkalign = 576 * (par->sample_rate <= (24000 + 32000)/2 ? 1 : 2);
119     } else if (par->codec_id == AV_CODEC_ID_AC3) {
121     } else if (par->codec_id == AV_CODEC_ID_AAC) {
122         blkalign = 768 * par->ch_layout.nb_channels; /* maximum bytes per frame */
123     } else if (par->codec_id == AV_CODEC_ID_G723_1) {
125     } else if (par->block_align != 0) { /* specified by the codec */
126         blkalign = par->block_align;
128         blkalign = bps * par->ch_layout.nb_channels / av_gcd(8, bps);
129     if (par->codec_id == AV_CODEC_ID_PCM_U8 ||
130         par->codec_id == AV_CODEC_ID_PCM_S24LE ||
131         par->codec_id == AV_CODEC_ID_PCM_S32LE ||
132         par->codec_id == AV_CODEC_ID_PCM_F32LE ||
133         par->codec_id == AV_CODEC_ID_PCM_F64LE ||
134         par->codec_id == AV_CODEC_ID_PCM_S16LE) {
135         bytespersec = par->sample_rate * blkalign;
136     } else if (par->codec_id == AV_CODEC_ID_G723_1) {
139         bytespersec = par->bit_rate / 8;
144     if (par->codec_id == AV_CODEC_ID_MP3) {
150     } else if (par->codec_id == AV_CODEC_ID_MP2) {
154         bytestream_put_le32(&riff_extradata, par->bit_rate);
156         bytestream_put_le16(&riff_extradata, par->ch_layout.nb_channels == 2 ? 1 : 8);
167     } else if (par->codec_id == AV_CODEC_ID_G723_1) {
171     } else if (par->codec_id == AV_CODEC_ID_GSM_MS ||
172                par->codec_id == AV_CODEC_ID_ADPCM_IMA_WAV) {
175     } else if (par->extradata_size) {
176         riff_extradata_start = par->extradata;
177         riff_extradata       = par->extradata + par->extradata_size;
183                                   par->ch_layout.u.mask < 0x40000);
189         avio_wl32(pb, write_channel_mask ? par->ch_layout.u.mask : 0);
191         if (par->codec_id == AV_CODEC_ID_EAC3 || par->codec_id == AV_CODEC_ID_DFPWM) {
192             ff_put_guid(pb, ff_get_codec_guid(par->codec_id, ff_codec_wav_guids));
194             avio_wl32(pb, par->codec_tag);
200                par->codec_tag != 0x0001 /* PCM */ ||
216 void ff_put_bmp_header(AVIOContext *pb, AVCodecParameters *par,
219     int flipped_extradata = (par->extradata_size >= 9 &&
220                             !memcmp(par->extradata + par->extradata_size - 9, "BottomUp", 9));
222     int extradata_size = par->extradata_size - 9*flipped_extradata;
223     enum AVPixelFormat pix_fmt = par->format;
226     if (pix_fmt == AV_PIX_FMT_NONE && par->bits_per_coded_sample == 1)
235     avio_wl32(pb, par->width);
237     avio_wl32(pb, par->codec_tag || keep_height ? par->height : -par->height);
241     avio_wl16(pb, par->bits_per_coded_sample ? par->bits_per_coded_sample : 24);
243     avio_wl32(pb, par->codec_tag);
244     avio_wl32(pb, (par->width * par->height * (par->bits_per_coded_sample ? par->bits_per_coded_sample : 24)+7) / 8);
250     avio_wl32(pb, pal_avi ? 1 << par->bits_per_coded_sample : 0);
254         if (par->extradata_size) {
255             avio_write(pb, par->extradata, extradata_size);
260             for (i = 0; i < 1 << par->bits_per_coded_sample; i++) {
276     AVCodecParameters *par = st->codecpar;
280     audio_frame_size = av_get_audio_frame_duration2(par, 0);
282         audio_frame_size = par->frame_size;
284     *au_ssize = par->block_align;
285     if (audio_frame_size && par->sample_rate) {
287         *au_rate  = par->sample_rate;
288     } else if (par->codec_type == AVMEDIA_TYPE_VIDEO ||
289                par->codec_type == AVMEDIA_TYPE_DATA ||
290                par->codec_type == AVMEDIA_TYPE_SUBTITLE) {
294         *au_scale = par->block_align ? par->block_align * 8 : 8;
295         *au_rate  = par->bit_rate ? par->bit_rate :
296                     8 * par->sample_rate;