Lines Matching refs:rec
41 struct snd_pcm_indirect *rec, size_t bytes);
48 struct snd_pcm_indirect *rec,
53 snd_pcm_sframes_t diff = appl_ptr - rec->appl_ptr;
59 rec->sw_ready += (int)frames_to_bytes(runtime, diff);
60 rec->appl_ptr = appl_ptr;
62 qsize = rec->hw_queue_size ? rec->hw_queue_size : rec->hw_buffer_size;
63 while (rec->hw_ready < qsize && rec->sw_ready > 0) {
64 unsigned int hw_to_end = rec->hw_buffer_size - rec->hw_data;
65 unsigned int sw_to_end = rec->sw_buffer_size - rec->sw_data;
66 unsigned int bytes = qsize - rec->hw_ready;
67 if (rec->sw_ready < (int)bytes)
68 bytes = rec->sw_ready;
75 copy(substream, rec, bytes);
76 rec->hw_data += bytes;
77 if (rec->hw_data == rec->hw_buffer_size)
78 rec->hw_data = 0;
79 rec->sw_data += bytes;
80 if (rec->sw_data == rec->sw_buffer_size)
81 rec->sw_data = 0;
82 rec->hw_ready += bytes;
83 rec->sw_ready -= bytes;
93 struct snd_pcm_indirect *rec, unsigned int ptr)
95 int bytes = ptr - rec->hw_io;
97 bytes += rec->hw_buffer_size;
98 rec->hw_io = ptr;
99 rec->hw_ready -= bytes;
100 rec->sw_io += bytes;
101 if (rec->sw_io >= rec->sw_buffer_size)
102 rec->sw_io -= rec->sw_buffer_size;
105 return bytes_to_frames(substream->runtime, rec->sw_io);
114 struct snd_pcm_indirect *rec,
119 snd_pcm_sframes_t diff = appl_ptr - rec->appl_ptr;
124 rec->sw_ready -= frames_to_bytes(runtime, diff);
125 rec->appl_ptr = appl_ptr;
127 while (rec->hw_ready > 0 &&
128 rec->sw_ready < (int)rec->sw_buffer_size) {
129 size_t hw_to_end = rec->hw_buffer_size - rec->hw_data;
130 size_t sw_to_end = rec->sw_buffer_size - rec->sw_data;
131 size_t bytes = rec->sw_buffer_size - rec->sw_ready;
132 if (rec->hw_ready < (int)bytes)
133 bytes = rec->hw_ready;
140 copy(substream, rec, bytes);
141 rec->hw_data += bytes;
142 if ((int)rec->hw_data == rec->hw_buffer_size)
143 rec->hw_data = 0;
144 rec->sw_data += bytes;
145 if (rec->sw_data == rec->sw_buffer_size)
146 rec->sw_data = 0;
147 rec->hw_ready -= bytes;
148 rec->sw_ready += bytes;
158 struct snd_pcm_indirect *rec, unsigned int ptr)
161 int bytes = ptr - rec->hw_io;
163 bytes += rec->hw_buffer_size;
164 rec->hw_io = ptr;
165 rec->hw_ready += bytes;
166 qsize = rec->hw_queue_size ? rec->hw_queue_size : rec->hw_buffer_size;
167 if (rec->hw_ready > qsize)
169 rec->sw_io += bytes;
170 if (rec->sw_io >= rec->sw_buffer_size)
171 rec->sw_io -= rec->sw_buffer_size;
174 return bytes_to_frames(substream->runtime, rec->sw_io);