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Diffstat (limited to 'src/input/input_v4l.c')
-rw-r--r--src/input/input_v4l.c121
1 files changed, 79 insertions, 42 deletions
diff --git a/src/input/input_v4l.c b/src/input/input_v4l.c
index 9f56b975e..2789777f2 100644
--- a/src/input/input_v4l.c
+++ b/src/input/input_v4l.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2003 the xine project
+ * Copyright (C) 2003-2004 the xine project
* Copyright (C) 2003 J.Asselman <j.asselman@itsec-ps.nl>
*
* This file is part of xine, a free video player.
@@ -79,15 +79,17 @@
/* Our CPU can't handle de-interlacing at 768. */
#define MAX_RES 640
-static struct {
+typedef struct {
int width;
int height;
-} resolutions[] = {
+} resolution_t;
+
+static const resolution_t resolutions[] = {
{ 768, 576 },
{ 640, 480 },
{ 384, 288 },
{ 320, 240 },
- { 160, 120 },
+ { 160, 120 }
};
#define NUM_RESOLUTIONS (sizeof(resolutions)/sizeof(resolutions[0]))
@@ -150,12 +152,14 @@ typedef struct {
int64_t pts_aud_start;
#endif
+ int audio_header_sent;
+
int rate; /* Sample rate */
int periods; /* Number of periods */
int periodsize; /* Periodsize in bytes */
int bits;
-/* Video */
+ /* Video */
buf_element_t *vid_frames;
pthread_mutex_t vid_frames_lock;
pthread_cond_t vid_frame_freed;
@@ -178,7 +182,11 @@ typedef struct {
struct video_audio audio;
struct video_audio audio_saved;
struct video_mbuf gb_buffers;
+
+ int video_header_sent;
+
int frame_format;
+ const resolution_t *resolution;
int frame_size;
int use_mmap;
uint8_t *video_buf;
@@ -715,9 +723,8 @@ static void allocate_audio_frames(v4l_input_plugin_t *this)
/* Audio frame */
frame = xine_xmalloc(sizeof(buf_element_t));
- frame->decoder_info[1] = this->periodsize;
frame->content = xine_xmalloc(this->periodsize);
- frame->type = BUF_AUDIO_RAWPCM;
+ frame->type = BUF_AUDIO_LPCM_LE;
frame->source = this;
frame->free_buffer = store_aud_frame;
frame->extra_info = xine_xmalloc(sizeof(extra_info_t));
@@ -768,9 +775,6 @@ static int open_radio_capture_device(v4l_input_plugin_t *this)
if (set_input_source(this, this->tuner_name) > 0)
tuner_found = 1;
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_CHANNELS, this->periods);
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_BITS, this->bits);
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_SAMPLERATE, this->rate);
_x_stream_info_set(this->stream, XINE_STREAM_INFO_HAS_AUDIO, 1);
_x_stream_info_set(this->stream, XINE_STREAM_INFO_HAS_VIDEO, 0);
@@ -840,11 +844,8 @@ static int open_video_capture_device(v4l_input_plugin_t *this)
return 0;
}
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_VIDEO_WIDTH, resolutions[j].width);
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_VIDEO_HEIGHT, resolutions[j].height);
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_CHANNELS, this->periods);
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_BITS, this->bits);
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_AUDIO_SAMPLERATE, this->rate);
+ this->resolution = &resolutions[j];
+
_x_stream_info_set(this->stream, XINE_STREAM_INFO_HAS_AUDIO, 1);
_x_stream_info_set(this->stream, XINE_STREAM_INFO_HAS_VIDEO, 1);
@@ -852,22 +853,6 @@ static int open_video_capture_device(v4l_input_plugin_t *this)
* done during capture */
allocate_audio_frames(this);
- for (i = 0; i < NUM_FRAMES; i++) {
- buf_element_t *frame;
-
- frame = xine_xmalloc (sizeof (buf_element_t));
-
- frame->decoder_info[0] = resolutions[j].width;
- frame->decoder_info[1] = resolutions[j].height;
- frame->content = xine_xmalloc (frame->decoder_info[0] * frame->decoder_info[1] * 3 / 2);
- frame->type = BUF_VIDEO_YUV_FRAMES;
- frame->source = this;
- frame->free_buffer = store_vid_frame;
- frame->extra_info = xine_xmalloc(sizeof(extra_info_t));
-
- store_vid_frame(frame);
- }
-
/* Unmute audio off video capture device */
unmute_audio(this);
@@ -961,16 +946,28 @@ static int open_video_capture_device(v4l_input_plugin_t *this)
switch(this->frame_format) {
case VIDEO_PALETTE_YUV420P:
+ this->frame_format = BUF_VIDEO_I420;
this->frame_size = (resolutions[j].width * resolutions[j].height * 3) / 2;
break;
case VIDEO_PALETTE_YUV422:
+ this->frame_format = BUF_VIDEO_YUY2;
this->frame_size = resolutions[j].width * resolutions[j].height * 2;
break;
}
- /* Save dimensions */
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_VIDEO_WIDTH, resolutions[j].width);
- _x_stream_info_set(this->stream, XINE_STREAM_INFO_VIDEO_HEIGHT, resolutions[j].height);
+ for (i = 0; i < NUM_FRAMES; i++) {
+ buf_element_t *frame;
+
+ frame = xine_xmalloc (sizeof (buf_element_t));
+
+ frame->content = xine_xmalloc (this->frame_size);
+ frame->type = this->frame_format;
+ frame->source = this;
+ frame->free_buffer = store_vid_frame;
+ frame->extra_info = xine_xmalloc(sizeof(extra_info_t));
+
+ store_vid_frame(frame);
+ }
/* Using deinterlaceing is highly recommended. Setting to true */
this->old_interlace = xine_get_param(this->stream, XINE_PARAM_VO_DEINTERLACE);
@@ -1235,6 +1232,47 @@ static buf_element_t *v4l_plugin_read_block (input_plugin_t *this_gen, fifo_buff
v4l_event_handler(this);
+#ifdef HAVE_ALSA
+ if (!this->audio_header_sent) {
+ lprintf("sending audio header\n");
+
+ buf = alloc_aud_frame (this);
+
+ buf->size = 0;
+ buf->decoder_flags = BUF_FLAG_HEADER|BUF_FLAG_STDHEADER|BUF_FLAG_FRAME_END;
+
+ buf->decoder_info[0] = 0;
+ buf->decoder_info[1] = this->exact_rate;
+ buf->decoder_info[2] = this->bits;
+ buf->decoder_info[3] = 2;
+
+ this->audio_header_sent = 1;
+
+ return buf;
+ }
+#endif
+
+ if (!this->audio_only && !this->video_header_sent) {
+ xine_bmiheader bih;
+
+ lprintf("sending video header");
+
+ bih.biSize = sizeof(xine_bmiheader);
+ bih.biWidth = this->resolution->width;
+ bih.biHeight = this->resolution->height;
+
+ buf = alloc_vid_frame (this);
+
+ buf->size = sizeof(xine_bmiheader);
+ buf->decoder_flags = BUF_FLAG_HEADER|BUF_FLAG_STDHEADER|BUF_FLAG_FRAME_END;
+
+ memcpy(buf->content, &bih, sizeof(xine_bmiheader));
+
+ this->video_header_sent = 1;
+
+ return buf;
+ }
+
if (!this->audio_only) {
if (!v4l_adjust_realtime_speed(this, fifo, speed)) {
return NULL;
@@ -1255,6 +1293,8 @@ static buf_element_t *v4l_plugin_read_block (input_plugin_t *this_gen, fifo_buff
if (video) {
/* Capture video */
buf = alloc_vid_frame (this);
+ buf->decoder_flags = BUF_FLAG_FRAME_START|BUF_FLAG_FRAME_END;
+
this->gb_buf.frame = this->gb_frame;
lprintf("VIDIOCMCAPTURE\n");
@@ -1316,13 +1356,11 @@ static buf_element_t *v4l_plugin_read_block (input_plugin_t *this_gen, fifo_buff
}
} else {
/* Succesfully read audio data */
- if (this->rate != this->exact_rate)
- xprintf(this->stream->xine, XINE_VERBOSITY_LOG,
- "input_v4l: HELP: Should pass sample rate %d instead of %d\n",
- this->exact_rate, this->rate);
- if (this->pts_aud_start)
+ if (this->pts_aud_start) {
buf = alloc_aud_frame (this);
+ buf->decoder_flags = 0;
+ }
/* We want the pts on the start of the sample. As the soundcard starts
* sampling a new sample as soon as the read function returned with a
@@ -1347,12 +1385,11 @@ static buf_element_t *v4l_plugin_read_block (input_plugin_t *this_gen, fifo_buff
/* Tell decoder the number of bytes we have read */
- buf->decoder_info[0] = pcmreturn;
- buf->type = BUF_AUDIO_RAWPCM;
+ buf->size = pcmreturn<<2;
this->curpos++;
- xine_fast_memcpy(buf->content, this->pcm_data, this->periodsize);
+ xine_fast_memcpy(buf->content, this->pcm_data, buf->size);
}
}
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-12 02:20:02 +0000