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doc: fix the "custom install targets" to handle DESTDIR
[libam7xxx.git]
/
examples
/
am7xxx-play.c
diff --git
a/examples/am7xxx-play.c
b/examples/am7xxx-play.c
index
67050c3
..
2fc8763
100644
(file)
--- a/
examples/am7xxx-play.c
+++ b/
examples/am7xxx-play.c
@@
-17,6
+17,12
@@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+/**
+ * @example examples/am7xxx-play.c
+ * am7xxx-play uses libavdevice, libavformat, libavcodec and libswscale to
+ * decode the input, encode it to jpeg and display it with libam7xxx.
+ */
+
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <stdio.h>
#include <stdint.h>
#include <string.h>
@@
-84,7
+90,7
@@
static int video_input_init(struct video_input_ctx *input_ctx,
/* get information on the input stream (e.g. format, bitrate, framerate) */
ret = avformat_find_stream_info(input_format_ctx, NULL);
if (ret < 0) {
/* get information on the input stream (e.g. format, bitrate, framerate) */
ret = avformat_find_stream_info(input_format_ctx, NULL);
if (ret < 0) {
- fprintf(stderr, "cannot get information on the stream");
+ fprintf(stderr, "cannot get information on the stream
\n
");
goto cleanup;
}
goto cleanup;
}
@@
-115,7
+121,7
@@
static int video_input_init(struct video_input_ctx *input_ctx,
/* find the decoder for the video stream */
input_codec = avcodec_find_decoder(input_codec_ctx->codec_id);
if (input_codec == NULL) {
/* find the decoder for the video stream */
input_codec = avcodec_find_decoder(input_codec_ctx->codec_id);
if (input_codec == NULL) {
- fprintf(stderr, "input_codec is NULL!");
+ fprintf(stderr, "input_codec is NULL!
\n
");
ret = -ENOTSUP;
goto cleanup;
}
ret = -ENOTSUP;
goto cleanup;
}
@@
-163,7
+169,7
@@
static int video_output_init(struct video_output_ctx *output_ctx,
int ret;
if (input_ctx == NULL) {
int ret;
if (input_ctx == NULL) {
- fprintf(stderr, "input_ctx must not be NULL!");
+ fprintf(stderr, "input_ctx must not be NULL!
\n
");
ret = -EINVAL;
goto out;
}
ret = -EINVAL;
goto out;
}
@@
-171,7
+177,7
@@
static int video_output_init(struct video_output_ctx *output_ctx,
/* create the encoder context */
output_codec_ctx = avcodec_alloc_context3(NULL);
if (output_codec_ctx == NULL) {
/* create the encoder context */
output_codec_ctx = avcodec_alloc_context3(NULL);
if (output_codec_ctx == NULL) {
- fprintf(stderr, "cannot allocate output codec context!");
+ fprintf(stderr, "cannot allocate output codec context!
\n
");
ret = -ENOMEM;
goto out;
}
ret = -ENOMEM;
goto out;
}
@@
-290,7
+296,8
@@
static int am7xxx_play(const char *input_format_string,
/* allocate an input frame */
picture_raw = avcodec_alloc_frame();
if (picture_raw == NULL) {
/* allocate an input frame */
picture_raw = avcodec_alloc_frame();
if (picture_raw == NULL) {
- fprintf(stderr, "cannot allocate the raw picture frame!");
+ fprintf(stderr, "cannot allocate the raw picture frame!\n");
+ ret = -ENOMEM;
goto cleanup_output;
}
goto cleanup_output;
}
@@
-298,6
+305,7
@@
static int am7xxx_play(const char *input_format_string,
picture_scaled = avcodec_alloc_frame();
if (picture_scaled == NULL) {
fprintf(stderr, "cannot allocate the scaled picture!\n");
picture_scaled = avcodec_alloc_frame();
if (picture_scaled == NULL) {
fprintf(stderr, "cannot allocate the scaled picture!\n");
+ ret = -ENOMEM;
goto cleanup_picture_raw;
}
goto cleanup_picture_raw;
}
@@
-308,6
+316,7
@@
static int am7xxx_play(const char *input_format_string,
out_buf = av_malloc(out_buf_size * sizeof(uint8_t));
if (out_buf == NULL) {
fprintf(stderr, "cannot allocate output data buffer!\n");
out_buf = av_malloc(out_buf_size * sizeof(uint8_t));
if (out_buf == NULL) {
fprintf(stderr, "cannot allocate output data buffer!\n");
+ ret = -ENOMEM;
goto cleanup_picture_scaled;
}
goto cleanup_picture_scaled;
}
@@
-329,6
+338,7
@@
static int am7xxx_play(const char *input_format_string,
NULL, NULL, NULL);
if (sw_scale_ctx == NULL) {
fprintf(stderr, "cannot set up the rescaling context!\n");
NULL, NULL, NULL);
if (sw_scale_ctx == NULL) {
fprintf(stderr, "cannot set up the rescaling context!\n");
+ ret = -EINVAL;
goto cleanup_out_buf;
}
goto cleanup_out_buf;
}
@@
-564,6
+574,7
@@
static void usage(char *name)
printf("\t\t\t\t\t1 - JPEG\n");
printf("\t\t\t\t\t2 - NV12\n");
printf("\t-q <quality>\t\tquality of jpeg sent to the device, between 1 and 100\n");
printf("\t\t\t\t\t1 - JPEG\n");
printf("\t\t\t\t\t2 - NV12\n");
printf("\t-q <quality>\t\tquality of jpeg sent to the device, between 1 and 100\n");
+ printf("\t-l <log level>\t\tthe verbosity level of libam7xxx output (0-5)\n");
printf("\t-p <power level>\tpower level of device, between %x (off) and %x (maximum)\n", AM7XXX_POWER_OFF, AM7XXX_POWER_TURBO);
printf("\t\t\t\tWARNING: Level 2 and greater require the master AND\n\t\t\t\t\t the slave connector to be plugged in.\n");
printf("\t-h \t\t\tthis help message\n");
printf("\t-p <power level>\tpower level of device, between %x (off) and %x (maximum)\n", AM7XXX_POWER_OFF, AM7XXX_POWER_TURBO);
printf("\t\t\t\tWARNING: Level 2 and greater require the master AND\n\t\t\t\t\t the slave connector to be plugged in.\n");
printf("\t-h \t\t\tthis help message\n");
@@
-587,12
+598,13
@@
int main(int argc, char *argv[])
unsigned int rescale_method = SWS_BICUBIC;
unsigned int upscale = 0;
unsigned int quality = 95;
unsigned int rescale_method = SWS_BICUBIC;
unsigned int upscale = 0;
unsigned int quality = 95;
+ int log_level = AM7XXX_LOG_INFO;
am7xxx_power_mode power_mode = AM7XXX_POWER_LOW;
int format = AM7XXX_IMAGE_FORMAT_JPEG;
am7xxx_context *ctx;
am7xxx_device *dev;
am7xxx_power_mode power_mode = AM7XXX_POWER_LOW;
int format = AM7XXX_IMAGE_FORMAT_JPEG;
am7xxx_context *ctx;
am7xxx_device *dev;
- while ((opt = getopt(argc, argv, "f:i:o:s:uF:q:
hp:
")) != -1) {
+ while ((opt = getopt(argc, argv, "f:i:o:s:uF:q:
l:p:h
")) != -1) {
switch (opt) {
case 'f':
input_format_string = strdup(optarg);
switch (opt) {
case 'f':
input_format_string = strdup(optarg);
@@
-636,7
+648,7
@@
int main(int argc, char *argv[])
default:
fprintf(stderr, "Unsupported rescale method\n");
ret = -EINVAL;
default:
fprintf(stderr, "Unsupported rescale method\n");
ret = -EINVAL;
- goto out;
;
+ goto out;
}
break;
case 'u':
}
break;
case 'u':
@@
-654,7
+666,7
@@
int main(int argc, char *argv[])
default:
fprintf(stderr, "Unsupported format\n");
ret = -EINVAL;
default:
fprintf(stderr, "Unsupported format\n");
ret = -EINVAL;
- goto out;
;
+ goto out;
}
break;
case 'q':
}
break;
case 'q':
@@
-662,13
+674,15
@@
int main(int argc, char *argv[])
if (quality < 1 || quality > 100) {
fprintf(stderr, "Invalid quality value, must be between 1 and 100\n");
ret = -EINVAL;
if (quality < 1 || quality > 100) {
fprintf(stderr, "Invalid quality value, must be between 1 and 100\n");
ret = -EINVAL;
- goto out;
;
+ goto out;
}
break;
}
break;
- case 'h':
- usage(argv[0]);
- ret = 0;
- goto out;
+ case 'l':
+ log_level = atoi(optarg);
+ if (log_level < AM7XXX_LOG_FATAL || log_level > AM7XXX_LOG_TRACE) {
+ fprintf(stderr, "Unsupported log level, falling back to AM7XXX_LOG_ERROR\n");
+ log_level = AM7XXX_LOG_ERROR;
+ }
break;
case 'p':
power_mode = atoi(optarg);
break;
case 'p':
power_mode = atoi(optarg);
@@
-686,6
+700,11
@@
int main(int argc, char *argv[])
goto out;
}
break;
goto out;
}
break;
+ case 'h':
+ usage(argv[0]);
+ ret = 0;
+ goto out;
+ break;
default: /* '?' */
usage(argv[0]);
ret = -EINVAL;
default: /* '?' */
usage(argv[0]);
ret = -EINVAL;
@@
-732,6
+751,8
@@
int main(int argc, char *argv[])
goto out;
}
goto out;
}
+ am7xxx_set_log_level(ctx, log_level);
+
ret = am7xxx_open_device(ctx, &dev, 0);
if (ret < 0) {
perror("am7xxx_open_device");
ret = am7xxx_open_device(ctx, &dev, 0);
if (ret < 0) {
perror("am7xxx_open_device");